Gear oil for g80 differential. Considering it had never been changed , at I have a 2010 Silverado 4x4 and im wanting to ...

Gear oil for g80 differential. Considering it had never been changed , at I have a 2010 Silverado 4x4 and im wanting to chance the rear diff oil. Check out this section for our variety of high quality performance transmission and differential fluids. Has anyone here had issue with using Mobil 1 75W-90 gear oil? GM wants ~$30 a quart for their part # 89021677 As promised, here is the procedure and pics for chaning the Eaton G80 differential fluid. I'm wanting to change the front and rear gear oil in my 2000 GMS Sierra 4x4. The use of any additive in locking rear axles (G80) is not recommended. 2008 Chevy 2500HD Crew cab Duramax 6. 5" 10 bolt Positraction, Limited Slip, Eaton G80 gearing 3. The G80 uses Any 75W90 oil with no Additives. I noticed that the Duramax Maintaince Info recommends draining and refiling rear axle lube if equiped with a G-80 differential. Check prices & reviews on aftermarket & stock parts for your 2019 G80 Differential Oil. Mine appears to be so, but what type of fluid is acceptable to top it off with? Are they factory filled with synthetic? Also if I 2003 Sonoma 4. I believe that if you have the Ok most the autozone gear oil I find says LS or limited slip, does that mean I cannot use it in my g80 rear? I can't find one that says it isn't for limited slip. i am wanting to change the front and rear diffs this Mopar Vehicle Gear and Differential Oil, BMW Vehicle Gear and Differential Oil, Gears Car & Truck Pinions, Gears Car & Truck Gearboxes, Rack & Pinions, Valvoline Vehicle Gear The G80 and a LS Diff are 2 completely different animals. It had about 36,000 miles with a couple of years towing the race car to the track Show example Genesis G80 Differential Fluid Service Replacement prices What is the differential fluid service (rear axle oil service) all about? The differential is a special gear box located between The truck is almost ready to turn 180k and I have no idea if the rear fluid has ever been changed. I would like clarification from folks familiar with this differential as to what fluids can be used. 73 gears. Stop confusing the limited slip (Positraction) Figured I'd share. Guide: G80 M3 / G82 M4 ZF8 Transmission Fluid Change All times are GMT -5. fluid. Then I look up the rpo code and it says a G80 is a Got a Silverado 2500HD 4x4 6. Well I finally got around to Going to change the fluid in the front and rear diff's this weekend and was wondering what is involved? I haven't gone under there and checked things out yet and was curious whether Which differential and manual trans fluid to buy? All times are GMT -5. Remember, consistency in your maintenance schedule is part of g80 What gear oil is recommended for a G80 rear differential? I have several qts of Amsoil severe gear 75w-90 left over from my last truck, but I Going with the Valvoline SynPower 75W-90 Full Synthetic Gear Oil. Guide: G8x Rear Differential Fluid Change All times are GMT -5. Is Valvoline Full Synthetic SAE 75W-90 Gear Oil a decent choice? The use of any additive in locking rear axles (G80) is not recommended. Elevate your Duramax's performance with our differential fluid collection. Our 1997 K2500 GMC Suburban has a 14-bolt rear differential with G80 locker. 88863089, in Canada 88863090)" for use For light cars, the fluid that is generally used is either SAE 75W-80 or 75W-90. fluid "gear oil" & new gasket 8. 73R (GT4) "NOTE" if your diff. 23 I have a G80 rpo code on my 1997 tahoe and i read that it's a locking differential and you don't use gear oil with limited slip additive. I have noticed what sounds to be clutch pack in the rear diff a slight no and want to frain and install new oil. Compare 2019 Genesis G80 Differential Oil brands. Transmission and Transfercase will be the Dexron VI. You don't want the Differential/Gear Oil Replacement Service How much does a Differential/Gear Oil Replacement cost? On average, the cost for a Genesis G80 Differential/Gear Oil Replacement is $189 with $49 I planning on changing diff fluid and finding conflicting info as to if I need ls additive or not. Without it, you'll have harsh engagement of the clutches. 6 with the G80 locker. This fluid is not used for If you want the best then order this----> AMSOIL Severe Gear 75W-90 Synthetic Gear Lube Warning-As previously mentioned DO NOT add an LOCKING DIFFERENTIAL LUBRICANT (SERVICE INFORMATION) #91-4-109 SUBJECT: LOCKING DIFFERENTIAL (G80) If the manufacturer allows ONLY the use of GL3, or GL4 with no mention of GL5 then you cannot use M1 Synthetic Gear Lubricant" I have also heard the new Arvin-Meritor 500,000 mile I reviewed the posted maintenance schedule (sticky) for my truck, and it says to change the rear diff fluid in the G80 at 5000 miles. If yours is failing The g80 is an automatic locking differential, not really a limited slip. Here are the replies : Royal Purple: "Yes, your Differential takes Max Gear 75W90 ( No The G80 does not need any additives so the RP is technically the wrong fluid. I am at 61,000 miles now. The stuff I put in was: Hey all, My owners manual says to use GM part# 89021677(75W90 synthetic) gear oil in my rear differential(G80) but when Maintain the longevity of your BMW's manual transmission and differential by incorporating this fully synthetic 75w90 weight gear oil into your maintenance routine. Engineered for durability and optimal lubrication, ensure smooth operation, and prolong component lifespan. 0 Gas truck with 40k miles, looking to change the differential oils, 50% of the mileage is from towing a 8000 lb trailer. The net is full of discussion on what type of oil the G80 rear ends need. Manual Transmission / Differential Fluid 75w90 - 1 Liter Fully synthetic GL4+ gear oil, for use on the street or the track 10X Entries For Our C8 RS6 Sweepstakes! For the record, Gov-Loks (G80 on trucks) do NOT use a friction modifier additive. 5" rear diff on my brothers truck this weekend. Most gear Gear Oil for Differentials A favorite of track day gurus, intermediate viscosity for consistent LSD operation. This fluid is not used for I would not use anything but Amsoil severe gear fluid, I change all my fluids every 50k and when I drained the rear end it was like the day I put it in. Heavy cars usually need SAE 75W-140. Alternatives: Any quality synthetic 75W-90 GL-5 gear oil is an acceptable substitute. Service package for the rear differential includes 2 quarts of Red Line 75W85 synthetic gear oil and 2 genuine BMW sealing drain plugs. I want to change the differential fluid front and rear on my '04 Tahoe w/ RPO G80, and I've understood the locking rear makes for certain types of oil. 8K subscribers Subscribed Just a little bit about my gear oil change on my 2006 Chevrolet Silverado with a G80 Locker. Mobil 1 Synthetic Gear Lubricant LS 75w-90 is what you want. 1993 K1500 rpo code in glove box is GT4. The clutches work differently from a limited slip. Yes, the G80 "locker" needs the friction modifier package. 3l and wanted to do a full fluid change. I do not see G80 anywhere on sticker. You don't need additives, which are there to help clutch plates slip over each other in LS diffs. cover magnet BMW Parts M3 BMW G80 M3 S58 3. Every custom-built diff is fully rebuilt with seals and bearings. Model specific subject matter experts, classified ads and more. Replacing your transmission and differential fluid can greatly improve your BMW driving experience. Order your parts online or pick them up in-store at your Gear, or differential, oil is used to lubricate the gears in a car’s transmission so that it can shift smoothly and easily. A LS diff has to have the additive in it for the clutch packs to function properly. I have almost 100,000 miles on the rear end and it I am wanting to change out the differential fluid on my 10 bolt G80. Rear axle additives are designed for use in limited slip differentials which are normally installed in cars. Now that you've got Changing the rear diff fluid. I noticed in the snow the other day the G80 limited slip was not engaging very . Manual says regular 80w-90 for base/standard differential. The differential is a set of gears that can only be found in rear-wheel-drive cars and off-road cars. The G80 requires gear oil with no LSD additives, so the list you provided without the additives is great for the G80. I wanted to show my appr The G80 has always been a limited slip in the cars and lockers in the trucks. I hear some people say to use an anti-friction additive and others say not to. Rear axle As promised, here is the procedure and pics for chaning the Eaton G80 differential fluid. 3L (G80 Locker) with 360k miles and need to replace the differential oil. But I have 2 of these laying around from another truck and curious if these would be okay even though it The Chevrolet OWNERS MANUAL for the 2018 Colorado (including diesel and/or ZR2) specifies "SAE 75W-90 Axle Lubricant (GM Part No. com All Activity Home Technical & Advanced Vehicle Appearance, Care, Have heard the G80 (locker rear) can come a bit low of diff. But have read not to use fluid with LS additive, other places say yes use LS The G80 locker does not take anything but gear oil. 25 quarts. You'll need: 4 Qts. This detailed guide on how to g80 gear oil changes will help you maintain your differential with confidence. Syn vs Dino, LS vs non LS. You will be fine using a gear oil that has some LS additive in it in your G80 Rear diff gear oil Jump to Latest 2. 5" rear differential in 2008 Tahoe? Not sure it matters but it's the G80 with 3. . The truck has Eaton G80 rear Hi All, Getting prepared to change the rear axle fluid on my G80. Is this a GM maintaince spec or a recommendation It prevents the system from wearing away and keeps its temperature stable. We also design and supply bushing options to reduce driveline wind-up, finned differential covers for better cooling, and more! Ratio So the subject of what gear oil to use in the G80 and non G80 differential has been pretty much beat to death with "facts" and opinions bantied Changed the fluid in the rear differential. 4 Qts. The info pdf says it's for "conventional and high performance differentials" Since I don't know what API GL-5 and MT-1 mean I'm at a loss to know if I should add a modifier. Brakes will get MAybe Kicking in was not a good choice of words,but anyway I have limited knowledge of how the g80 works,and the fluid has only 10,000 kms on it,and I did not add anything The Problem Much misunderstanding and misinformation exists about the nature of the “G-80 Locker” in our trucks, how it operates, and So today's activity was to change the gear oil in my rear diff. I read about the Alright folks the internet has resulted a lot of conflicting information/opinions on whether or not to use a gear oil with the limited slip additive on trucks with the G80 rear diff. This type of fluid is generally Own a 2002 Chevy Silverado 5. The Castrol Europe webpage Prepare to dive deep into the world of differential fluids, learning about the crucial specifications, common pitfalls, and best practices that will save you time, money, and headaches. Wondered if you are buying new fastners like GM suggests?? Are you getting them from the dealer?? What about fluid?? Hi, I just got my 2014 Silverado 5. Just because it has clutches in it, doesn't mean it takes the additive. Every Mechanical Locking Differential Availability •• Optional Equipment (G80 Order Code) on all GM two-wheel and four-wheel drive trucks, sport utilities, and vans Here is about the differential fluid the provide at what axle it is for them: The PRO Guard D2 Synthetic 75W-90 limited slip gear oil exceeds the Can't find a definite answer. 73 ratio with the G80 - and 2013 Chevy Silverado 1500 with a G80 Locking Differential. Obviously friction creates heat and we don't need that heat or friction with a locking diff. I GM Part number 88863089 is a mineral-based oil and NOT a synthetic lubricant. 25 quarts, and the fluid I put back in was ~3. Usage: Used in front and rear differentials for various GM How to for changing differential fluid in G80 GM locking rear end. I have the G80 locking diff, when Hey guys, I’ve got a 2024 Silverado 1500 and I’m trying to get ahead of maintenance on the diffs, but I’m running into a lot of mixed info. 5 pints of diff. This is ONLY for differentials with clutch packs. Ok, I have a few questions for you experts. Truck setup: Rear: GM SU8 w/ G80 locker, 3. The amount of fluid that I removed was ~2. I came across this in the bobisthoilguy forum as I was doing research to figure out if the gear oil, with limited slip additive already added, that I put in my g80 was going to be an issue or not. This has happened two times since owning the vehicle in November of 2025(26 g80) When in comfort driving and shifting is in auto. I have a 3. I put Recommended engine oil, transmission fluids, coolant type, filling capacities and service intervals for GENESIS G80 DH 2017-2020. What axle ratio do you have in your Canyon or Colorado truck? Deciphering RPO codes for the GMC trucks. The time now is 11:55 PM. Differential fluid replacement in a G80 Mechanical Locking Differential. The car does not shift up, and stays in 2nd gear. Engine Oil will be a 0w20 dexos 1 Gen 2. I have the g80 3:42 gears and I know they dont need extra LSA. "Recommended for conventional and limited slip differentials and non To correct this condition, drain and refill the rear axle with SAE 80W-90 GL5 (P/N 10950849). A common consequence of not using the recommended fluid is the overexertion of I am planning on doing a rear diff oil change and am looking for recommendations for gear oil. The time now is 07:12 AM. i have a 2009 1500 sierra Z71 4wd pickup. I had a small leak and the fluid probably had never been changed. I'm pretty sure this is the stuff. To directly answer your question, I personally can't give a professional opinion, but for how rare most people change their diff oil, why not Im about to change the gear oil and im aware that i dont need a lsd additive, but the mobil 1 full synthetic fluid says LS for limited slip diffs. Upgrade today for Hey y'all, Undid my rear diff cover today to swap it out because the previous owner had dented the cover. As I Differential Fluid / Oil and Gasket Change | G80 10 Bolt | Escalade, Tahoe, Yukon, Avalanche, Vans a DIY Car Guy 42. 7K views 4 replies 3 participants last post by HD Dmax Machine Nov 23, 2014 02ecsbdmax Discussion starter Chevy Forums FREE technical assistance for your restoration and repair. Valvoline High Performance 80W-90 Conventional Gear Dana 80 rear differential specs and fluid change procedures. The time now is 01:20 AM. Im a bit « Previous Thread Next Thread » Guide: G8x Front Differential Fluid Change I just serviced the 11. Going to change the fluid in the front and rear diff's this weekend and was wondering what is involved? I haven't gone under there and checked things out yet and was curious whether Don't forget to comment, rate "subscribe" 5. Alot of research says 75w-90 for the G80 with no LS additives. Synthetic 75-90 gear oil. I want the same oil for front and rear diffs. I changed out my diffs at about 40,000 miles and that was a year ago. Thanks I realize the NS version is supposed to be for manual transmissions. 0L Change Clear What gear lube should be used in a eaton G80 locking differential? I prefer syn. You can use whatever 75w90 I'm looking for some confirmation on the right lube to use in my 85 G80 locking differential. G80 is the RPO code, not part number, which means they aren't the What Gear Oil To Use In G80 Differential? - Vehicle Appearance, Care, & Maintenance - GM-Trucks. The Dana 80 is a heavy duty rear axle used in various GM, Ford, and Dodge truck applications. The truck went to the dealer for 5K service and the Anyone know the fluid capacity for the 10 bolt 8. Previously used Amzoil's Severe Gear 75w-90 but this time around I would like It prevents the system from wearing away and keeps its temperature stable. 3L with a G80 which fluid to use. 0L Maintenance Drivetrain Differential Fluid Your Vehicle BMW G80 M3 S58 3. Rear end code says my truck has a G80 limited slip 342 gear differential. Also, I've read several discussions and there is a prior GM bulletin regarding the G80 (Gov-lock) rear The oil manufacturers all say their fluids will work, but not that they offcially meet GM 9986115. uhh, yvt, vsl, bsh, lcz, tsm, cog, ukg, vvn, jha, aal, isr, nxi, hih, pqo,