Colorado RPO Codes(full list) Page 2 Chevrolet Colorado & GMC
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. The differential accomplishes this in 2 ways.
03 Z71 with no G80 RPO code? Chevy Silverado and GMC Sierra Forum
Deals . Calendar . Instagram . Facebook GM RPO Axle Codes 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. Then, find those codes in the table below. GM RPO Axle Code Notes
RPO codes
RPO Codes G80 and GU4. New 2003 S10 owner who is trying to figure this thing out. I found my RPO codes for the rearend G80 : AXLE POSITRACTION, LIMITED SLIP and GU4 : AXLE REAR, 3.08 RATIO. With the limited slip, do you add the Limited slip additive to the gear oil.
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Today I finally took the time to read my RPO codes in the glove box and came up with these two: GT5= 4.10 ratio and G80= axle positraction, limited slip. I just saved myself A LOT of money.
G80 Gear Lube Eaton phone call today 20142019 Engine, Driveline
These RPO codes are used to indicate a specific type of differential and/or ring gear size. Not all applications will have one of these codes but when they apply, they will be listed in addition to an axle code found in the main RPO axle code list below. RPO Axle Type G76 Rear Axle (Posi) G80 Positraction G81 Positraction (Rear)
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From engines to colors, your truck has dozens of RPO codes that when put together can be used to identify the various options your particular truck has. Some RPO codes are 1500 specific and or Silverado specific. For that reason, we've split these listings up by Chevy/GMC and 1500 vs 2500/3500.
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#1 ยท Feb 17, 2008 On a 1987 Astro, what is the RPO Code G80 standing for? Google say, the G80 option standing for a locker OR a limited slip diff. Eaton has built both, the gov-lock and a limited slip diff with disc clutch. What uses GM in the 87 model? 1987 shorty Astro 2WD, modified 262 engine, MSD6, 2" Overland Lift, running on gas and propane
RPO Codes And How To Read Them Ground Up Motors (2022)
January 23, 2023 RPO code G80 is a common term used on American pickup trucks. It is a term often thrown around by truck owners, and the ordinary driver or person will get lost trying to catch up in the conversation. Our article today demystifies what RPO code G80 means and how one can best benefit from using it.
RPO codes General/Off Topic
g80 : axle positraction, limited slip g81 : positraction rear axle g82 : axle rear, 4.56 ratio g84 : axle rear, 4.10 ratio g86 : axle, rear, limited-slip g87 : ring gear, 8.50 inch g89 : ring gear, 7.50 inch g91 : special highway rear axle ratio 3.08 g92 : axle rear ratio, performance g94 : axle rear, 3.31 ratio g95 : axle rear ratio, economy
What is the RPO Code for a Posi Rear 84 to 87 Chevy Impala Forums
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 (3.73:1) or GT5 (4.10:1) gear ratio codes (the GT5 is hard to find). Having these options makes all the difference.
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We're sure that we left some RPO codes out of the list below, but otherwise, it is a fairly comprehensive list of all RPO codes that would have been used on a pickup truck during this time.. G80: Positraction: G86: Locking Differential: G87: Maximum Traction: H01: 3.07 Rear Axle Ratio: H04: 4.11 Rear Axle Ratio: H05: 3.73 Rear Axle Ratio.
RPO Codes List GMC Truck Forum
To correct this condition, drain and refill the rear axle with SAE 80W-90 GL5 (P/N 10950849). The use of any additive in locking rear axles (G80) is not recommended. Rear axle additives are designed for use in limited slip differentials which are normally installed in cars. All light duty trucks equipped with RPO G80 make use of a locking.
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I was reading the RPO codes in the 04 trailblazer section and realize that under the RPO of G80.it states limited slip differential not the locker.in 05..the locker is stated..all years under 05 say this in the RPO codes on this site's resources section.
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"The G80 locking axle provides a greater traction advantage than limited-slip differentials in most situations, while its automatic engagement requires no driver involvement, unlike some.
2006 DTS RPO Codes Cadillac Owners Forum
RPO Codes - Chevrolet Truck Silverado 1500: Option Code: Description: 00A: Spare wheel upgrade: 00C: Not Equipped with Wireless Charging, see dealer for details. G80: Auto-locking rear differential: G93: Differential, driver-selectable full-locking front: G94: Differential, driver-selectable full-locking rear: GT4: Rear axle, 3.73 ratio: GU5:
G80 Gear Lube Eaton phone call today 20142019 Engine, Driveline
Doing a gear ratio change but not sure what you want? Try our Differential Gear Calculator. Gear Calculator GM RPO Codes, or General Motors "Regular Production Option" codes contain lots of valuable information about your GM axle. Decode them Here