Gm g80 rpo code. G80: Differential, automatic locking rear .
Gm g80 rpo code A nasty grinding sound started coming from underneath the truck after I did some brake line work. Vehicle GM Production Week 25. SERVICE PARTS INFORMATION: Feb 9, 2012 · You should find one of these RPO codes Code - Gear Ratio-----GU4 - 3. The assembly date is stamped in the bottom of the case on the lip where the cover mates. Thanks for any and all feedback. Firestone Destination 31x10. They are 2 completely different systems. Only RPO Code are for internal use only and should not be ordered. The RPO code sheet is still on the fender. Here are the RPO codes: AG9 AJ1 AM7 AU0 AU3 A31 A95 B32 B33 B85 CMD C6W C60 DD7 DK6 D48 D55 E63 FE9 FK2 FK3 GT5 G80 Below is a partial list of RPO codes for 73-87 GM's RPO CODES 1973 - 1987 G80 - Locking Rear Differential GT4 - 3. Created Date: 01-20-11 11:44 PM - Post# 2034893 This subject comes up often enough I thought I'd re-post this service bulletin and include it in the FAQ. Either way, though, the factory doesn't call for the LS additive for either the conventional open diff or the G80. What is the RPO code for a 9. Gm made the G80 available with the 3:42 sometime around 2000. Today I jacked the rear end up and spun one tire forward and watched the opposite tire spin backwards. GU6 specifies the axle ratio (3. With the limited slip, do you add the Limited slip additive to the gear oil. 3L, 3. 73 ratio. 73 gears. . Only RPO Dec 26, 2024 · They are called RPO codes. 42 GT4 - 3. 625" 10-bolt, a derivative of the earlier 7. Chevy Camaro Pictures and Information including VIN, RPO Codes, Trim Tag, Engine and Protect-o-plate Choose Year to View RPO Code Information Apr 16, 2007 · G80 is not only an RPO code for the GM locker, but it is also a model code for a specific Eaton locker. Mar 11, 2017 · Also found thisIn all GM light duty trucks, the G80 code indicates the vehicle is installed with the Eaton G80 locking rear differential. May 19, 2022 · My just purchased a 2018 Silverado Ext. I have had 73-87 trucks with both options. Includes Trailer Hitch Platform. 73 Rear Axle Gear Ratio. Go look in your glovebox for your codes. 1 2 3. For GMT vehicles, don't think GM provided a limited slip differential. 73 (GT4) G80. Approx 230,000 miles. GM RPO Codes, or General Motors “Regular Production Option” codes contain lots of valuable information about your GM axle. Here’s the full list of RPO codes used on the 2021 Chevrolet Silverado HD 2500 for your reference What do RPO Codes Means? A Regular Production Option is a General Motors standard coding for vehicle configuration options Each RPO code is a combination of three alphanumeric characters (like Z71) that refers to a specific option or modification to the vehicle as built during production and can be used to identify specific vehicle options or modifications such as paint colors, engine types Dec 9, 2003 · The poster goodoleboy has an '89 Chevy 2500, the LD or HD 3/4 ton pickup RPO G80 is the flyweight governnor with clutch plates. I found my RPO codes for the rearend G80 : AXLE POSITRACTION, LIMITED SLIP and GU4 : AXLE REAR, 3. Nov 14, 2023 · RPO codes are now encoded in a 2d data-matrix code that can easily read by most modern smartphones. Writefast; Jan 24, 2024; Engine & Drivetrain; Replies 9 Views 6K. According to the RPO codes it has the G80 - axle positraction, limited slip and the GT5 - axle rear 4. Other places to check include inside the driver’s door panel. The only trucks/SUV's to ever get a limited slip is the Quadrasteer and the was option code G86. GU4 is the axle ratio code and has nothing to do with the size of the ring gear or having a limited slip. A big misunderstanding is that it's exclusive to the infamous Eaton Gov-Lock. org Jul 29, 2016 · Free Flow RPO Code Ref. You may have a different code stamped rpo codes - 2007 chevy silverado 2500hd 4x4 ccsb rpo code name description k47 air cleaner high capacity k68 generator 105 amp kc4 cooling system eng oil knp cooling system trans, hd kup throttle control electronic lq4 engine gas, 8 cyl, 6. ¨ Maintenance free; requires no lube additives. 10:1 And one of these GQ1 - Open differential (standard) G80 - Eaton Gov-Loc limited slip differential (optional) There are other ways if your sticker is missing or unreadable: 1. Aug 29, 2010 · The most common ratio in the SF for a Square body version is 4. 2015 GMC Canyon Models; Model 2015 GMC Canyon RPO Codes; Option Code Description; 5G8: G80: Differential, automatic locking rear Feb 19, 2012 · I happened to look at my sticker yesterday and saw no G80, I always assumed G80. GM has a lot of Here is how to read the RPO vehicle option codes in a GMC or Chevrolet General Motors truck. 1L dry fill) Jul 10, 2017 · ¨ Optional Equipment (G80 Order Code) on all GM two-wheel and four-wheel drive light trucks and sport utilities. Oct 26, 2024 · 1)Texaco 2276; Synthetic 75 W90; Gm Part # 9986115 2)Texaco 9622; Mineral based 80W90; GM Part # 9985290 3)Texaco 2080; Synthetic 75W140 (heavy duty applications); GM part # 9985991 Note - All of the above lubes are preblended with friction modifier. It used to be that to get the G80, you had to order the 3:73 ratio. If you got the 14B Full Float in a 3/4 after that, you normally had the Heavier Duty RPO code. Only RPO Code Description 1 - Equipment groups 1LS, 1LT and 1LZ available on C*15906. Also, the RPO code for an Open diff (as opposed to a G80 Limited Slip) is GQ1, If memory serves me right. I found 10 bolt, 11 inch wide is 8. Nov 26, 2021 · Step 1: Check the RPO Codes. That combination was a blast to drive in the snow. Below is my rpo sticker May 11, 2010 · This is the email I got from GM Training on the question of it the rear diff on the Camaro is a locker since the RPO code is "G80" like the trucks G80 locker: "Thank you for your question concerning the all new 2010 Chevrolet Camaro. 42 ratio fyi That “G-80” moniker is the GM RPO (regular production option) order code for a traction control device in a differential. AB2 Window: Side Body, Stationary, Left Side AC3 Adjuster, Front Seat, Power, 6 Way, Bucket, Driver Apr 24, 2009 · chevrolet colorado gmc canyon rpo codes. Jul 8, 2013 · OK so a bit of Google-ing tells me that NNMT0F is a stock number of some sort and CK10753 is the model # for Silverado 1500 Ext. If it's possible that someone has swapped axles after it left the factory, then you'll have to open the diff to know for sure. AC7 Pipe Fuel Tank Fill Vent-Unrestricted AE7 Seat FRT Split, Driver, PASS AG1 Adjuster FRT ST Power, Multi-Directional, Driver Jan 15, 2011 · 2010 GMC Savana AWD Silver Metallic, 5. com Oct 20, 2011 · Otherwise the car will simply code out as a Base V8 coupe. 00L : SECONDARY COLOR, EXTERIOR, PRIME Jan 10, 2009 · Even the all wheel drive Safari and Astro vans had the locking differential. It will list all the RPO codes for your vehicle and what they mean. 10 is GT5 But that combo was available in both the 1500 and 2500/3500 trucks across many years. 42 gears and an 8. Only RPO Code Description 1 - Equipment group available on 12M53. 2024 Chevrolet Silverado HD RPO Codes. (not all the engines listed here were available) This will be added to as I find them. 25 and 8. k. If it had the factory locker it would say:GQ1(for your ratio), rear axle-locking. 73 RATIO GT5 -- AXLE REAR, 4. The RPO vehicle option codes are printed on a sticker in the glo RPOcodes. Jan 25, 2023 · G80 is the RPO code for the auto locking rear differential. 73 Gears and G80 Heavy Duty Locking Rear Differential, American Racing Off Road Series ATX Chrome Assaults 17X8, BFG T/A KO's 245/70/17 (Stock Size). You see, what I've been trying to get my arms around (and what seems to confuse many) is the fact that the term "G80" is just an RPO code. 42s all the way thru 4. It indicates a locking type differential - a. Jan 4, 2023 · G80 in trucks and SUV is a locker. For all your OEM GM part needs, please use our website or call 877-498-7278 Apr 1, 2017 · here's what i searched years ago and saved: AG2-- 6-WAY Passenger seat B35-- Rear carpet floor mat B39-- Carpeted floor B71-- Wheel well moulding B85-- Body side moulding C5I-- GVW RATING, 8050 LBS Feb 25, 2011 · Assuming 99Chevy's post to be accurate, that locking G80s in 2004 were not standard on my truck, and that in your last post the G80 RPO offers several types of diffs; I do in fact have the limited slip. 42 Ratio YD3 Differential, driver selectable rear locker I'm assuming this now tells me stay on the pavement and gravel roads, and as mentioned by Mar 26, 2008 · if its the original rear end and you have the G80 RPO code then you have the G80 limited slip differential '96 Yukon Eagle - Nitto - Panasonic - Kenwood - True Dual Super 44's dumped before axle - Cat Delete - K&N Drop In - Black Bear - 2" Crank About Us. Mar 15, 2008 · Thanks AVRider for posting the 2007 RPO codes, just checked all of mine and found out that my Z71 is a 3LT not a LTZ, (emblem on tailgate was on it when I bought it) which makes it easier to find struts and shocks since it doesn’t have the air shocks and sensors. GU6 = 3. 10s from the factory. GM RPO Axle Codes. These were used by GM as identification of Optional Equipment installed on all GM Vehicles. Nov 23, 2017 · To find out what gearing you have and if you have a locker, the easiest way is to just open your glove box and look at the RPO codes. :frown: Deciding to look up all the codes I found: GU6 Axle Rear 3. Location: Main Index » Forum Index » Trucks-Vans-SUV » 88-98 Fullsize Trucks, Vans, Suburbans, Blazers, Tahoes » G80 RPO code question. You probably already know a few off-hand. Aug 19, 2015 · A few people have asked about codes for certain parts. com MidsizeBowties. 31 ratio Dec 13, 2007 · 96 GMC Sierra 2500 x-cab long box, 6. 10 ratio GU6 Rear axle, 3. Describe to me how the 2-speed transfer case Oct 17, 2013 · The GM G80 locked is not a limited slip differntial. They identify the modification and make it easier to find the part number. 3 - Equipment group Jun 10, 2011 · If you go out to www. 99 K1500 Suburban LT "THE BEAST" Hypertech III, K&N, true dual Sep 20, 2024 · Right, the problem is the G80 (RPO code for the auto locker) isn't showing up on whatever shortened list the salespeople are giving buyers. 1971 Chevelle Option / RPO Codes It is important to note the items listed and the quantity represent the item individually when ordered as an option and not when they may have come as standard equipment or in a convenience or appearance group on certain models. Back to the subject at hand - I do indeed have the G80 option listed. 10:1) gear ratio codes(the GT5 is hard to find). May 4, 2009 · If you are reasonably sure it has the factory diff in there, look on your RPO code list for "G80": the RPO code for the factory "gov-lock" differential. MYC is 6L80E LMG is flex fuel 5. Jan 23, 2018 · What's the ratio: I've seen 3. These are the known Regular Production Option codes, otherwise known as RPO codes. If you find it, congrats! Your vehicle has a G80 locking differential. Locker or Open: Either has the g80 RPO code in glove box, or its open. Step 2: Inspect the Aug 6, 2011 · GM uses RPO code G80 to indicate when a vehicle has some form of a traction enhanced diff. com: GM/Ford/Mopar related car sites Rocket100 Oldsmobile Smog-Era. 5" weakling 10-bolt. ZR2s have manual electronic locking diffs. 4AA Interior Trim - Jet Black 4D7 Interior Trim - Jet Black, Dark Ash 4DP Interior Trim - Cocoa/Dune 4EX Interior Trim - Mink Dec 2, 2009 · RPO Code PDF File RPO Decoder Straight-forward gear/axle RPO codes: GQ1 -- AXLE REAR, STD RATIO GT4 -- AXLE REAR, 3. 08 RATIO. The G80 is a specialized differential designed by Eaton to work as a low-speed traction aid, offering full lockup during its operation. @Bosunsquid1 If you don't have the RPO code sticker in the glovebox then look for a QR code on the driver's B-pillar and scan it with your phone, if you see G80 listed then you have the Apr 20, 2022 · I noted that my 21 Canyon Duramax AT4 comes with the G80 "locking differential". RPO CODES 1973 - 1987 G80 - Locking Rear Differential. Right now I know I have 3. 11 ratio Jul 12, 2017 · Only way to identify it is by the g80 code in the rpo list. Simple scan the code and your RPO codes should be listed. The GM RPO codes label in your glovebox or on drivers door identifies axle ratios and more. G80 Rear Axle Mar 3, 2010 · The G80 in cars is a limited slip with clutches. The G codes listed in the SPI are only GTS, GU4 and G80. There's some math you can do by counting the teeth or something to figure this out, or RPO codes. G69 is Auto Level Control - Air ride shocks in rear with Air Compressor G80 is Locking rear differential Jun 17, 2014 · 2015 Chevrolet Colorado RPO Codes; Option Code Description; 5G8: G80: Differential, automatic locking rear or in any other way condoned by General Motors Company, its brands, subsidiaries, Apr 16, 2016 · Here are the Features/Items That Come with the Factory Tow Package RPO Code Z82. The reason I assume this is because all the other codes in this range specifically state "REAR" and no where in the list of codes is there any indication of what the front end is. Does the RPO code matter or is the part above an exact fit for my truck? Thank you in advance for your reply. Now, of course I can't find it anywhere, but what's messing me up is a post I read that contained a GM bulletin stating light duty trucks with the G80 RPO code actually had an auto-locker differential, instead of the limited slip. 2 - Equipment group available on 12M43, 12M53 and 12T43 models. For that reason, we’ve split these listings up by 1500, 2500 HD & 3500 HD. I'm trying to figure out if my car came with a posi rear end. Joined I have both the G80 code and the YD3 code Nov 14, 2023 · Regular Production Option Codes, aka RPO codes, have been used by General Motors since 1970. GM RPO Codes Below is a complete listing of the General Motors Regular Production Option (RPO) Codes for your viewing pleasure. 7 engine. 7L dry fill) Rear takes 75w90 synthetic, and needs additive possbily (3. Mar 30, 2006 · These are all of the RPO codes for the Colorado/Canyon. It had the base engine, 4 Jul 8, 2008 · Here is a listing of RPO Codes for the 93-02 F-Body A31 power windows AAA factory tint AC3 power 6 way, bucket, driver AG1 Adjuster, 6-Way Power, Driver Seat AG4 Adjuster, 2-Way Manual, Driver Seat AR9 front bucket, european style, passenger & driver AH3 Adjuster, 4-Way Manual, Driver Seat Feb 7, 2023 · GU6 and G80 aren't mutually-exclusive. Does this code mean I have a limited slip rear diff or a locking rear diff? Also I'm a little foggy on the difference between the two. Oct 26, 2008 · The code for G80 is G80. 08:1 GU5 - 3. While you can go to the GM online order guide and try to find them, I felt having one thread with all the current RPO codes could be useful. It was not available with the 3:42. Green, Z71 4x4 with 3. Look for another rpo code in the glove box for the ratio. G80 for GMT = an open differential that locks if one wheel spins quicker (slower?) than the other by more than 100RpM. The Engine VIN code "ends" in 1977 because not all 350 (vin code L) Camaros in 1977 were Z28's. Here’s an overview: What do RPO Codes Means? A Regular Production Option is a General Motors standard coding for vehicle configuration options Each RPO code is a combination of three alphanumeric characters (like Z71) that refers to a specific option or modification to the vehicle as built during production and can be used to identify specific vehicle options or modifications such as paint colors, engine types What do RPO Codes Means? A Regular Production Option is a General Motors standard coding for vehicle configuration options Each RPO code is a combination of three alphanumeric characters (like Z71) that refers to a specific option or modification to the vehicle as built during production and can be used to identify specific vehicle options or modifications such as paint colors, engine types Dec 20, 2012 · G80 is the RPO code used by GM to identify the option. 5" ring rear. What do RPO Codes Means? A Regular Production Option is a General Motors standard coding for vehicle configuration options Each RPO code is a combination of three alphanumeric characters (like Z71) that refers to a specific option or modification to the vehicle as built during production and can be used to identify specific vehicle options or modifications such as paint colors, engine types Nov 14, 2023 · Some RPO codes are 1500, 2500, and 3500 specific. KW1 alternator is a upgrade to handle the extra load of the snow plow, when G80 - Locking Differential Rear-Axle JF4 - Electric Adjustable Pedals In researching my Envoy XUV I found the following site to look up RPO codes. Exactly what type/style of locking differential varies between vehicles and generations. The confusion is that the locking G80 in GM trucks uses a clutch type system similar to LSD, except that it fully Nov 14, 2023 · Regular Production Option Codes, aka RPO codes, have been used by General Motors since 1970. 55 G81 Positraction Rear Axle N/A RPo CoDes 459 GM Technical. These RPO codes are very useful when you are needing to buy new parts. Not limited slip (posi) which is used in performance cars. The problem with the build tools on the GM websites is they are notoriously inaccurate at times and shouldn't be used as the source Mar 22, 2011 · I was just looking up and going over the RPO codes from my Glove Box label and had a question about my differential. Feb 24, 2015 · According to my RPO codes (G80, GT4) I have a positraction, limited slip axle with 3. Instead it shows G86 limited slip The list below is a partial list of typical GM RPO Codes, specifically the codes pertaining to Axle Identification, Differential Type and Gear Ratio. ZQ8 Sport Suspension. 5L F Code Diesel:ro) , but I'm a bit bummed it doesn't have the G80 gov lock in the rear. gmc. GT4 - 3. 08 gear ratio G80 Is rear locker NP5 is your transfercase Thats about all i can remember today. I've known since I was a kid the truck had limited slip and now that the truck is mine I was expecting to see G80 locking differential on the RPO code list. RPO Code Description: 2016 - 2018 3DL - Interior trim, carbon fiber instrument panel molding 56F - LPO, 20" (50. (mostly on AWD trucks like the 9-7x and Rainier) To identify the ring gear size, this chart, which identifies all GM diffs What do RPO Codes Means? A Regular Production Option is a General Motors standard coding for vehicle configuration options Each RPO code is a combination of three alphanumeric characters (like Z71) that refers to a specific option or modification to the vehicle as built during production and can be used to identify specific vehicle options or modifications such as paint colors, engine types Oct 8, 2014 · G80 is the RPO for a locking differential. Looking at the code YD3 – Drivers Selectable Locking Rear (rear lockers) I was wondering just what that really means. 73s. It's the manual lever on the floor. For instance In cars a G80 its a Limited Slip Differential (Posi) In trucks and SUV's a G80 si a Locking Differential Mar 1, 2010 · GQ1 means you have a standard rear end with no traction adder. The very last 2002 Camaro built did not feature many unusual RPO codes and did not have this one. 42:1 GT4 - 3. Jan 24, 2023 · You will find your vehicle’s RPO codes list somewhere in your glove box on a sticker. Last edited by HenryJ on Sun Oct 05, G80 Axle Positraction Limited, Slip GT4 Axle Rear 3. If one of them says "G80" then your truck came with the G80. 50 inch g91 : special highway rear axle ratio 3. net 4x4dakota. Jun 4, 2020 · G80 is GM's RPO code for anything 'Limited Slip', what ever style of 'posi' carrier the vehicle is equipped with. Apr 24, 2008 · Look on your RPO code list (usually in the glove box) and look for the code G80. 42:1 axle ratio, according to the RPO code in the glovebox. These codes are typically located on a label inside the glove compartment or on the driver’s side door jamb. 3. This guide will walk you through the steps to decode your RPO codes effectively and what information you can expect to gather. This RPO code was seen on the very last 2002 Firebird built--a car full of very unusual RPO codes. Aug 14, 2023 · RPO and Axle type codes came from crawlpedia. Thanks Oct 18, 2023 · Facebook Groups: Enthusiast groups like “GM Trucks” on Facebook can provide crowd-sourced help with deciphering RPO codes. Chevy Camaro Pictures and Information including VIN, RPO Codes, Trim Tag, Engine and Protect-o-plate Choose Year to View RPO Code Information GM Trucks RPO Codes-also on the stock info page. 42 ratio used with the V6 and diesel trucks), G80 specifies that it's a locking axle. 10B's, 12B's & the 14B's all use the same RPO code for limited slip, although parts between the 3 are obviously not interchangeable. 10 ratio and G80= axle positraction, limited slip. If you're putting a locker in you may as well look at Detroit or Yukon and not even deal with the factory one. The Z85 code stands for in the current GM RPO List as CHASSIS PACKAGE, HIGH PAYLOAD FIRM RIDE. Jun 25, 2014 · Enjoy all of the 2015 Canyon’s RPO codes just below. Sep 7, 2019 · Case in point: 2018 Camaro G80 Differential, limited slip 2018 Silverado G80 Differential, heavy-duty locking rear 2018 GMC Yukon / Denali G80 Differential, heavy-duty locking rear 2018 RPO Codes - Cadillac Escalade G80 Differential, heavy-duty locking rear May 28, 2024 · What are GM RPO Codes? RPO, which stands for a regular production option, is a General Motors-specific term that refers to the codes that correspond to the features that you have on your truck. The 1963 to 1979 rear end housing has a casting date on the drivers side. More RPO codes. 73:1 GT5 - 4. The other image is my codes: Thanks! I also gave it the real test. com- GM option codes,GM rpo codes,Regular Production Options,General FJ7 Axle Front 4. I'm pretty sure anyways. 50 inch g89 : ring gear, 7. 23:1 GU6 - 3. I want to change it out and want to make sure. No additional modifiers are necessary or recommended. The most reliable method is to look for the Regular Production Option (RPO) codes. 4. They adopted a standardized system across brands in the 1970s that continues today. G80: Auto-locking rear With this info, you can decode your GM vehicle, and be able to determine what gear ratio and all the options your van came with from the factory. Most 3rd Gens and all 4th Gens have the rather weak 7. Dec 7, 2021 · Well I didn’t have any luck with the QR code business, but I requested a build sheet from GM via text message and got a surprisingly quick and complete response. May 9, 2010 · I noticed my RPO code says 6500lb brakes and its the JB5. The truck is indeed a dressed up WT, not an LT. GM and Eaton do not recommend LImited Slip Additives for the locker. Others are Silverado model-specific. However, what was called the Gov Bomb is a far different design than the G80 in modern trucks. Feb 9, 2019 · G80 in the trucks is a locking diff And the code for 4. ¨ Enhanced towing and off-road performance. Dec 26, 2016 · i need some help with my rpo codes. Dec 23, 2023 · G80 means different things to different vehicles. com Jul 4, 2023 · Thanks for the responses just wanted to make sure the G80 was always a RPO code even if it got the Z71. 10 and next to never came with a G80 Locking Diff from the factory. May 4, 2018 · G80 Differential, heavy-duty locking rear S S FHS E85 FlexFuel capable S S Only RPO Code are for internal use only and should not be ordered. 0l, mfi, iron, gm mt1 transmission auto 4 spd, hmd, 4l80-e na4 emission system gvw above 8,500 lb Aug 24, 2017 · Looking for guidance with a rear differential problem with my 2005 Chevy Silverado 2500 HD truck. There's a lot of conflicting info about whether or not to use a posi or limited-slip additive to the gear oil when filling a G80 (Eaton Gov-Loc) differential in a GM truck. M. Sounds like it’s pretty easy to just swap in a G80 carrier. com is a specialized wholesale distributor of genuine GM OEM replacement parts and accessories. Base Coupe - The minimum model was a base coupe. The RS was available on either a 6 or 8 cylinder Camaro and again, the car will decode as a base model (or type LT). The rear axle is a GT4 3. Anybody know why there is a code for "Positraction" and one for "Positraction Rear" ? My 1997 Yukon 4wd has the G80 or Positraction code. After some research I'm a little confused. , came with a unexpected bonus - 4WD! But now I cannot determine the towing max, between 6,100 and 9,100, b/c I have a "G80" RPO code, "posi" rear end, but what is the ratio? Jun 1, 2009 · Just google GM RPO ---(code) so for a rear locker its G80 the you google GM RPO G80 . But I don’t really care about it. #PIP4054D: Eaton Locking Differential Chatter Shudder Noise On Turns - (Jul 19, 2010) Subject: Eaton Locking Differential Chatter Shudder Noise on Turns Models Equipped With a Locking Rear Differential RPO G80 Dec 7, 2004 · Standard means that it is an open style or non-locking differential. Jul 6, 2013 · I just bought a 2006 Silverado 2500HD Duramax and in the glovebox it lists the RPO code G80. I think it was about around 81 when GM went to the SF for standard OEM equipment in the 3/4 tons. Thanks 73 Jun 27, 2007 · RPO Description A31 Windows, power A95 Seats, front reclining buckets AE7 Seats, front Custom Cloth 40/20/40 split-bench AJ1 Glass, Solar-Ray deep tinted All light duty trucks equipped with RPO G80 make use of a locking differential and the use of additives will delay the engagement of the locking mechanism and may decrease axle life. The g80 is not a limited slip, it locks up like a locker based on RPM differences. rshadd · Super Moderator. 10 Rear Axle Gear Ratio Back to Chuck's Chevy Truck Pages. 42 diff (assuming the vin on the sticker is for your truck, ie the glove box hasn't been swapped). Benefits ¨ Improved traction differentiates the vehicle relative to other rear wheel and four-wheel drive vehicles on the market. * GM-8 Turbo With TurboMaster G80. 5 Apr 24, 2022 · GU6 is for a 3. There is no code for the 8. An example of the sticker where you can find the 2d code that contains your RPO codes. And those will have different axles obviously Sent from my SM-N960U using Tapatalk Jul 19, 2014 · 2005 sierra sle crew cab 2wd. com and click on the CHAT NOW box in the bottom right corner, they can send you the full build sheet for your vehicle if you provide the VIN number. GM has used RPO codes since the 1950s to catalog vehicle configurations. RPO code in the glove box states the truck is equipped with a G80 rear differential. 10 Forums New posts Search forums GM RPO Codes – Remember, not all codes apply to each model or year or both: AG7 6 way Power Seat AK1 Custom Deluxe Seat Belts AL4 Strato Back Seat (Camaro) AL5 Deluxe Rear Center Seat Belt '67. GM-Trucks. 08 g92 : axle rear ratio, performance g94 : axle rear, 3. I just saved myself A LOT of money. 00L : SECONDARY COLOR, EXTERIOR, PRIME 00U : PRIMARY COLOR, EXTERIOR, PRIME 01L : SECONDARY COLOR, EXTERIOR, SPECIAL (91) 01U : PRIMARY COLOR, EXTERIOR, SPECIAL, (91) Jun 27, 2007 · RPO Code List RPO Table RPO Description The production/process codes provide the description of the Regular Production Options (RPOs). @low-tec mentioned this above. AN7 Strato-Bucket Seats, Swing out Al3 Power Door Locks Al6 Power Tailgate Release AO1 Soft Ray Tinted Glass (All windows) AO2 Tinted Glass Sep 11, 2006 · Here is a long list of RPO codes specifically for the Astro/Safari vans. 73 ratio GT5 Rear axle, 4. It doesn't indicate front or rear, so I'm assuming it means both. What Are RPO Codes? RPO codes are a series of alphanumeric vppsgmoptionsactiveonly_1111200 09u 48758 p ccu m primary color exterior, mary kay pearl tricoat (02) 10926 e 4 e a 09u 49389 p ccu m primary color exterior, polar white (02) holden 10327 e 8 e a Aug 7, 2019 · Hello guys, I have a 2000 CCLB K3500 with 5. RPO Codes. RPO: GU6 - 3. To find the axle gear ratio of any GM vehicle, locate the RPO sticker (typically located in the glove box) and write down any codes starting with F, G, or H. 73 Ratio (Dup with 5X1) Dec 9, 2014 · 2015 RPO Codes Model Codes: Colorado: T2M43 2WD Base Crew Cab Short Box T2M53 2WD / 4WD Base and 2WD SL Extended Cab T2T43 2WD Base Crew Cab Long Box T2N43 2WD / 4WD SLE Crew Cab Short Box T2V43 2WD / 4WD SLT Crew Cab Long Box T2U43 2WD / 4WD SLE Crew Cab Long Box T2P43 2WD / 4WD SLT Crew Cab Short Box T2P53 2WD / 4WD SLT Extended Cab Apr 20, 2018 · G80 Differential, heavy-duty locking rear S S S S RPO Code Description 1 - Available on all models. Apr 27, 2022 · Decoding RPO (Regular Production Option) codes can seem daunting at first, but with your VIN (Vehicle Identification Number) in hand, you can uncover a wealth of information about your Chevy or GMC vehicle. 73 Rear Axle Gear Ratio GT5 - 4. G86 - Limited slip diff. When in normal conditions, the unit acts as an open differential, letting the rear tires spin independently of each other, with the outside wheel spinning faster during turns. On my shops slick concrete, I blocked the front wheels and eased into the gas. In 1974 the Positraction diff was discontinued and the G80 code was moved to the Gov-Lock. The limited slip differential code only designates the presence of a locking rear (both wheels drive the vehicle when needed). 10 G80 - Locking rear diff. 10 ratio RPO Codes. Not available with Fleet or Government order types. 7 Wire Harness, K47 High Capacity Air Cleaner, (KNP) Cooling External Transmission Cooler. Oct 16, 2024 · The bed length and wheelbase match but the RPO code GT4 and GU6 are not listed in the Service Parts Identification in the glove box. Z71, ZR2, L87- these are all RPO codes used to signify features and options you can get on their various models. See full list on cararac. Now the JB8 Code says 10,000 lbs. Decipher the codes and get the right parts! Nov 4, 2010 · The optional locking differential (RPO G80) enhances the traction capability of the rear axle by combining the characteristics of a limited-slip differential and the ability of the axle shafts to "lock" together when uneven traction surfaces exist. 42 ratio diff, G80 is for the G80 locker. Dec 12, 2020 · The original owner ordered the truck with just about every top-of-the-line option available at the time. a. Feb 27, 2012 · GM RPO Codes, Z stands for Suspension, Z71 Off Road, Z85 Heavy Load Firm Ride. Cab SWB 4WD 143. "NP5 RPO Code" Or look for a chart. 56 ratio g84 : axle rear, 4. Just search like this. NewGMParts. 42 ratio HTH! Aug 12, 2014 · RPO Codes: GT5 & G80 Last 8 of VIN: 2E102085 Spaxtix try googling 2002 gm rear axle bolt pattern. 56 G80 Axle Positraction, Limited Slip N/A FP0 Transaxle Final Drive 2. 10 ratio rear end. Free Flow RPO Code Ref. The prefix is usually F, G or H when referring to Axle Identification. Its was introduced by GM in the newly redesigned 1973 trucks as the G86 option, an upgrade from the G80 which was a clutch type limited slip also known as Positraction. 'posi" rear. Jun 13, 2007 · G80 Differential, automatic GT4 Rear axle, 3. 3L GU4 is 3. Decode them Here. The G80 code in passanger cars indicates LSD. Jan 17, 2010 · **list of rpo codes** g80 : axle positraction, limited slip g81 : positraction rear axle g82 : axle rear, 4. 10 Rear Axle Feb 28, 2014 · Okay, one last thing, G80 means Axle Positive Traction, Limited Slip. It is standard on some trims (Z71), included in some packages (towing), or available as an option (RPO G80) on any non-ZR2 as hooogan said. the other GM RPO code is the G86 for cars called Dec 19, 2011 · New 2003 S10 owner who is trying to figure this thing out. VEHICLES/COMPONENTS INVOLVED: ----- ---- Some light duty trucks equipped with locking rear axles, RPO G80. 08 is the axle ratio in this case. gm rpo codes- 0 through 4 g80 : axle positraction, limited slip g81 : positraction rear axle gmc : plant code pontiac, mi, usa gn9 : axle rear, 4. com Ring and Pinion Repair and GM RPO Codes chart. Sep 14, 2018 · Codes listed in the shaded column titled Ref. G65 is the RPO for manual level control, which, I think are the "Nivomat" shocks. FusionBB™ Version 2. 10s should be pretty quick but not great for milage. Full List of 2024 Chevy Silverado 2500 HD RPO Codes (Coming Soon) Full List of 2024 Chevy Silverado 3500 HD RPO Codes (Coming Soon) Apr 27, 2015 · Originally designated G86, the Eaton Automatic Differential Lock would take on a new regular production order code for the 1974 model year, that RPO code being G80. Each major item on a truck has an RPO code. GT5 - 4. U2K SiriusXM Radio is standard on nearly all 2019 GM--Work Truck LT LTZ High Country 1. this requires 75-90wt synthetic gear oil with no additive required. Crazy that they put a 3:42 in a one ton, must assume that you aren't ever gonna pull anything! Feb 17, 2008 · G80 is a generic RPO option code that General Motors has used for many years. GM RPO Coding System Explained. 5 15 I found this master GM RPO list Sep 30, 2015 · the G80 GM RPO code is the eaton locker diff. G is for Rear end gears, G80 3. Write your codes down and feed them into an RPO decoder to see what other equipment you have. There's an RPO decoder linked in my sig. Is this a posi drive? Feb 8, 2017 · 2015 Chevrolet Silverdado RPO Code List RPO Description The production/process codes provide the description of the Regular Production Options (RPOs). Limited slip is more of a performance axle so its common option on Camaro, CTS-V etc. 3 4x4 Z71 factory not sure if he has the build sheet but that would be nice. Apr 7, 2006 · G80 Differential, locking, heavy-duty, rear GT4 Rear axle, 3. Dec 30, 2019 · So yes GM has two different emissions codes for the United States. *All of this assuming its a stock rear* This whole thread including the title is full of easily verified misinformation and confusion. Its a mechanical locker by Eaton. G80: Rear Axle, Limited Slip Apr 19, 2022 · Keep in mind the RPO codes can change meaning in later years and among different models of vehicle. Jump to Latest 21 - 40 of 43 Posts. I have the RPO list it’s a LS package 5. Then, find those codes in the table below. Typically you should be covered, but laws change each year for most states, so my experience may not hold up today. 10 ratio g86 : axle, rear, limited-slip g87 : ring gear, 8. It was odd to think GM would still be using the design if it was such a POS over all these years. Look for the code G80. If you’re looking for a used Astro/Safari, I’d like help, look for a 96 or newer but only buy a van with RPO codes G80(posi) and GT4(3. I'm trying to figure out what transfer case I have. Mar 23, 2018 · Australian 9-bolt rear was only used for 2-3 years of the Gen 3 cars, around 1985-88 IIRC. 8 cm) 5-split spoke low gloss Black wheels Feb 21, 2011 · GM RPO code GT5 G80. GM RPO “Regular Production Option” codes contain lots of valuable information about your 1982-1992 Camaro or Firdbird Thirdgen. Aug 1, 2010 · Today I finally took the time to read my RPO codes in the glove box and came up with these two: GT5= 4. Again, this is the case date code. LS LT Premier 1LS1 1LT1 1LZ1 U2K SiriusXM Satellite Radio is standard on nearly all Feb 7, 2012 · Just a FYI, my 1990 Safari GT has a 3. Please PM me with missing RPO codes & they will be added. Cruise,Tilt, Rare Sep 1, 2013 · If your truck has a Posi rear end(G80 RPo code on build sticker in glove box) your truck will require the GM posi additive, very cheap from dealers Front takes 80w90 reg gear oil, can defeintly run 75w90 syntehtic tho(1. 5 stands for inches but I'm not sure what its measuring. 73 GT5 - 4. TOW/TRAILER EQUIPMENT, HD. Marky Dissod. The only difference between the LD and HD 2500 axle is one is a semi-floating and the 2500HD is a "true" HD full-floating design. Has noode thing to do with the width of the rear axle housing or axle, the axle is shaft that goes through the axle housing where the ring and pinion set, G80 is not the code for a locker, just the gear ratio. 1 ©2003-2006 InteractivePHP, Inc. For example, when G80 is found on a GM car's SPID sticker (Camaro for example), the diff is usually a version of a limited slip traction enhanced diff. I'm "told" that the G80 is just the RPO code and has never changed. The RPO list is printed on the Service Parts Identification Label. 5 gear. Seems like NP8 is a common code for NP246, but I have a NP5, and that's something else. Over 20-something MpH, you don't have a G80, just an open differential. It usually starts with GU or GT: GU2 2:73 ratio GU4 3: 08 ratio GU5 3:23 ratio GU6 3:42 ratio GT4 3:73 ratio GT5 4:10 ratio GQ1 Open Differential Rear Axle G80 Positraction/Locking Rear Axle Gear ratio Stamped in bottom flange as part of identifier as a letter code, such as AW. For most Chevy vehicles, your RPO codes will be on a placard in the glove box. 73:1) or GT5(4. This assumes that you still have the factory axle. 12 bolt, 11 What do RPO Codes Means? A Regular Production Option is a General Motors standard coding for vehicle configuration options Each RPO code is a combination of three alphanumeric characters (like Z71) that refers to a specific option or modification to the vehicle as built during production and can be used to identify specific vehicle options or modifications such as paint colors, engine types Jan 23, 2004 · RPO codes are Regular Production Options Codes from GM. So, your truck started out with a 3. Jan 28, 2024. A simple call or search on your state's registration office should be able to tell you about purchasing a car from out of state. G80 is the limited slip code. Cab. 5" rear end. So what im saying is Eaton makes the G80 locker for GM AND GM uses the code G80 in their options description RPO code as "G80". yoao qvrlv edfod brfn lbiu ufttrss yxc qkvplt nocyh zao