Chevy Colorado & GMC Canyon. Tag on the differential suggest a level to maintain- 15 to 40 mm below fill hole (not real easy to determine). Costs average $243-$300 in parts and professional labor. At Hot Shots Secret, we know what your Duramax engine needs to perform its best. If I do a burnout only the right wheel spins when the left tries to it stops it. The automatic How to Replace Power Steering Pump '12 Crew Cab 3500 4X4, 3.73s, auto, Longhorn Dually. This is a 2000 yukon with 80,000 miles that i have had for about four months. Greasing front end on a 2014 Chevy 2500 with a 6.6L LML Duramax with Frantz oil bypass filter system. The components in the FR3 friction reducer help extend youroils stability,performance,film strength and, most importantly,friction reduction. I just checked that again, at the time that I posted that, that was what was listed in the Online Application Guide. 2007.5 3500 MegaCab SLT SRW 4x4 6.7L, 68RFE w/ Mag-Hytec, XRT Pro, Diamond Eye DPF Delete, leveling kit w/ Bilstein 5100s, SnugTop Rebel shell, Insight CTS, Hell Bent Steel SBS -. The cover is bolted on with twelve 10mm bolts and the plug can be opened using a 3/8" drive. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. 3qt should do it! Get something good. The anti-wear componenthelps tofillin microscopic irregularitiesto provide a smoothermachinesurface for the lubricating film. All our products are backed by science, giving you noticeable results. . Follow the Manufacturers Instructions for the mixture ratio. Failure to use such lubricants will result in ash build-up in the DPF and a potentially expensive repair bill. '98 Jeep XJ. Negatively chargedsynthetic estersstronglyattach tothe enginesinternal partstocompletely lubricateyour engine. Changing the engine oil and filter on a 2014 Chevy 2500 with a 6.6L How to Check Fluid Levels on a Chevy 6.6L Duramax. DO NOT add Friction Modifier. Let the truck cool off completely first; you don't want to burn yourself on hot fluid. This best rear differential fluid completely eliminates any moaning sound that often occurs at cold or when starting a turn: using the Honda 08200-9003 differential fluid, the sound stops at once. Your 2006 can use syn in the front since they fixed the problem with the vent in 2004. Check fluid levels when adding or refilling as recommended in your 2003 Chevrolet Silverado 2500 HD user's manual. AAM 11.5 w/ 3.73's and a G80 locker all come standard on a Duramax. Greetings, I have lurked these pages for a long time, but don't post much. Changed the fluid in the rear differential. It's really hard to screw something up and damage your car permanently if you use right tools, follow Chevrolet Silverado 2500 HD service manual and use right parts and fluids in prescribed amounts. Before this thread gets too far off topic: I never seen a diff go bad from too much fluid. It's all may be done by yourself in a mater of a couple of hours. OK thank you. . In many cases the initial maintenance check is done by the dealer at no cost (check with the service department when you buy the truck for more information). By logging into your account, you agree to our, Current Chevy Trucks, SUV's, Crossovers & Vans, Do Not Sell or Share My Personal Information. The rear differential fluid capacity for the Dodge Ram 1500 is only 3.9 quarts. This article applies to the Chevrolet Silverado 1500 (2014-present). (lbs), Fifth Wheel Hitch - Max Trailer Wt. Doing basic service for your 2006 Chevrolet Silverado 2500 you're not only saving money, but also also improving your technical skills and learning something new. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. So all in all it sounds like just fill the diff until it comes running out the fill hole. I got a 97 k1500. Don't loose the 4WD in your Chevy Silverado. Changing the fuel filter on a 2014 Chevy 2500 with a 6.6L LML Duramax. Used Mobil 1 75W-90 gear oil. I bought the 2 1 gallon gallon jugs and i was able to fill both with plenty of left over.. If your vehicle is operated under severe conditions, perform these maintenance tasks at half the recommendedintervals. Changing the rear differential oil on a 2014 Chevy 2500 with a 6.6L How to Replace a Fuel Filter on a Chevy 6.6L Duramax. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. For the Rear Differential Capacity Rear Drive Axle (8.6") 2.03 liters (2.15 quarts) Rear Drive Axle (9.5") 2.60 liters (2.75 quarts) The Dodge Ram 1500 is a great truck that can haul a lot of weight. I'm just trying to find what a good amount would be to stick in a dually rear end. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Compare 2008 Chevrolet Silverado 2500HD different trims: 2023 MH Sub I, LLC. If you drive in dusty areas, tow a trailer, idle or drive at low speeds for extended periods, or drive for short periods (less than four miles at a time) in below freezing temperatures, even smaller intervals are recommended. The owner's manual specifically states how full the axles should be based on fluid level below the fill hole. If you don't, this is right around hand tight. Checking fluid levels on a 2014 Chevy 2500 with a 6.6L LML Duramax with Frantz oil bypass filter system. What is the fluid capacity of the rear differential? Stiction Eliminator removes the stiction to help reduce the turbos spool time and build RPM boosts more quickly. Examine the plug for metal shavings from the gears. If your 4WD selector light switches on automatically without your control, read more to learn how you can resolve the issue without visiting your mechanic. The rear differential fluid capacity in a 2006 chevy 2500 hd is 3 quarts. For those high-performance needs, you need an oil that matches. You can (and should) replace the fluid in the diffs around 45-50k. Vehicle in question is a 2016 Chevrolet 2500HD, 4x4, gas (L96/6L90E). Viscosity is a vital characteristic of engine oil because it determines how well the oil will function in different temperatures. Greasing front end on a 2014 Chevy 2500 with a 6.6L LML Duramax with How to Service a Transmission on a 2014 Chevy 2500 6.6L LML Duramax. A better alternative is Royal Purples Syncro Max MTL fluid. Thats funny that you say that. Depending on what Your model is running, You'll use somewhere between 2.5 quarts (for the smallest 8.6 RG) and up to 3.27 quarts (for the largest 11.5 RG). The automatic transmission in your truck works hard. The 4WD system is Why is My 4WD Selector Light On? 4-Ball Load Wear Test (ASTMD-2783). check the owners manual to be sure. Fully synthetic oils require fewer oil changes, but youre often paying more for the quality. SOLD: 2010 2500 Mega 4x4 SLT, 68rfe, 35x12.50x18 Toyo OC M/Ts. The esters also increase the rubber seals lubrication and swell the seal to prevent oil leaks. I asked my dealer and they said "3 quarts I think". While oil capacity is one thing to consider when dealing with your engine oil, theres much more to think about, like other Duramax fluid capacities, oil factors and unique performance needs. We offer a wide range of products to keep your Duramax healthy and functional, and with free shipping on orders over $49 in the U.S., placing your order is a breeze. 2023 Vehicle History Inc. All Rights Reserved. (lbs), Wt Distributing Hitch - Max Trailer Wt. You should schedule service for a gear oil change every 30,000-60,000 miles in the Silverado. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. If your oil tends to create soot and other types of buildup, you may need to change the oil more often than recommended. My cover had the paint burnt off after only a few tows. Do you no the ring gear for my truck. Wheelers fill them up really high all the time. The What is Wrong with my 4WD? I wanted to change my oil in minebut idk the ring gear and didnt wanna tear her apart n be screwed if i aint got the right amount, A quick reminder when you fill your diff, front or rear, back up make sure the vehicle is, [SIGPIC]"If it ain't one thing, it's a mother******g nother"[/SIGPIC], I bent a piece of wire at right angle and made one end 30 mm long and marked it at 5 mm increments and made the other end about four inches long so as not to accidently lose it into the hole. BLUE DIAMOND PAO OIL 15W40 BLUE DIAMOND PAO OIL 5W40 GREEN DIAMOND FLEET OIL 15W40 GREEN DIAMOND FLEET OIL 5W40. Dcouvrez en images les prvisions mto compltes du mardi 21 fvrier 2023 Paris et en le-de-France sur BFM Paris le-de-France. I was looking to change the front and rear differential fluid and had questions about the weight of the fluids in the front and the rear. Once it's dry, you can re-install it using the 18mm socket. Rear diff: 75W-90 synthetic No additives necessary, G80 or not. I figured the fluid is cheap and it gives me a chance to take a look at the gears first hand. Come join the discussion about performance, lift kits, wheels, tires, modifications, troubleshooting, maintenance, and more! 46 people found this helpful. Trucks use a Locking rear differential which completely locks up when one wheel spins more than 100rpm more than the other and will remain locked until about 25 mph. Could be as simple as the position of the asymmetrical center sectionturn it one way and it will displace more volume than if its turned 90*. Keep in mind that all information here is provided as is without any warranty of any kind. VehicleHistory.com We research hundreds of models each Since Duramax engines are diesel-powered, you should look for an oil designed for diesel. Come join the discussion about performance, lift kits, wheels, tires, modifications, troubleshooting, maintenance, and more! 2 pints = 1 qt. You can also go ahead and apply the white Loctite to the old drain plug as well if you are reusing it and then allow the Loctite to dry. Use liquid thread sealer on the bolts threads. I think I used almost 3 quarts, 2+ each. I read about the fill height and not how many quarts might be needed for a refresh. Once the fluid stops dripping out, you can re-install the drain plug. After 25 mph is will not lock. The transfer case controls whether you are in four-wheel drive or in two-wheel drive, so it's important to make sure it's maintained properly. Once fluid starts coming out, give it one more slow pump. I wonder why the difference? I have not been able to find the correct volume of fluid; however, the level should be between 1/2" below the hole, to the bottom of the hole (truck level). Consider the following factors when selecting your oil, and make sure to research manufacturer recommendations. This site is intended for reference only. It may help you decide what you want to use. The Chevy Silverado as a heavy truck uses a gear oil with a viscosity of 75W-90. just because it is written in the OM, does that mean you should follow it to a T? ! They take the standard 80-90 gear lube usually. JavaScript is disabled. :S: 2008 2500 Big Horn 6.7L, Banks Ram Air Intake, 5" Turbo Back SST, EGR Delete, Bully Dog PMT, Flow Pro DPF Reset, Beast Silvershark TRX4 Registered Joined Nov 8, 2010 58 Posts Think of it being the same as how much you would tighten the engine oil drain plug. Ever notice a salt truck covered in slush but the pumpkin is bone dry? '13 Jeep GC Laredo my wife's DD. In some regions DIY service may invalidate your warranty. It's free! Help the community, write about it and we will improve this page. Axle Capacity - Rear (lbs) 6900. Hard to pay that much for the almost 3 gallons of synthetic when the Spicer manual says that mineral oil is fine. You shouldn't try and see how long you can go without changing your oil or replacing your fuel filters. A forum community dedicated to all General Motors truck owners and enthusiasts. If it does by chance, lesson learned. Front Axle (1500 Series 4WD): Recommended 75W-90 Blue Diamond S9 Severe Gear Oil Front Axle (1500, 2500 HD, and 3500 HD Series): Recommended 75W-90 Blue Diamond S9 Severe Gear Oil, Front Axle (1500 Series 4WD): Recommended 75W-90 Blue Diamond S9 Severe Gear Oil Front Axle (1500, 2500 HD, and 3500 HD Series): Recommended 75W-90 Blue Diamond S9 Severe Gear Oil, Recommended: 75W-90 Blue Diamond S9 Severe Gear Oil. It's all may be done by yourself in a mater of a couple of hours. It's the same rear as the 88-98 trucks, which was an 8.5", but in 99 they started using larger bearings on the differential, so they dubbed it the 8.625", or 8.6" for short. For additional lubricity,LX4 Lubricity Extrememay be used. Now with 5qts in there no problem. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Im going to change the front and rear differential with royal purple, does anyone know how much i will need for the front and the rear if i drain and fill. Think about it a modern turbocharged engine will have different requirements than a truck manufactured in the 50s. Hot Shot's Secret. 3.2 quarts (rear with 11.5" diff) Differential Drain Plug Torque 24 ft-lbs Differential Cover Bolts Torque 30 ft-lbs Cooling System Flush and Fill Coolant Type 50/50 mix of Dex-cool and water Cooling System Capacity 16.5 quarts (V6) 16.9 quarts (V8) Other Miscellaneous Fluid Types I would have ordered the wrong amount. An 8.6 inch rear differential is equipped with 4.2 pints and the Silverado's 9.5 inch rear, useS5.5 pints. Your rear is a 10 bolt, 30 spline, 8.625". The following intervals are based on the assumption that you will be doing the service work yourself, as opposed to paying to have the work done. I don't think you can even get a different rear than the AAM 11.5". What follows is our quick reference guide for the 1999-2006 Chevy Silverado/GMC Sierrapickup trucks (and 2007 Silverado/Sierra Classic), plus Avalanche, Tahoe, Suburban, and Yukon SUVs, taken directly from Haynes manual 24066. There's a couple different recommended transfer case fluids depending on your transmission and transfer case combo. It. If your product doesnt deliver the way we promise it will, well give you your money back. Copyright 2023. Changing the rear differential oil on a 2014 Chevy 2500 with a 6.6L LML Duramax. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. Benefits of our formulas include: Improved fuel economy Better cold weather starting Reduced friction Decreased noise and vibration Extended oil change intervals Increased engine life Our Blue Diamond pure poly-alpha olefin (PAO) oils, paired with specialized additives, are among the recommended oils for Duramax engines. Vehicle History's team of automotive experts brings you the most accurate and up-to-date used car information. 2023 Vehicle History Inc. All Rights Reserved. I always thought that the dually had the same rear end as the SRW. The differential casing can be found under the truck in the middle of the driveshaft. Trans Mfr CD 1000/MW7 and 1000/M74
Rear Axle (Steerable): Synthetic Gear Oil; use ONLY GM Part No.12378557. Use engine oils that have one of these designations: CI 4 or CH 4 for DURAMAX diesel engines. I'm thinking they probably fill them by volume (automated, so to speak), and not by levelI fill this one to where the fluid runs out the fill hole. Sorry. All Rights Reserved. Get your hand pump and fluid ready to go back under the truck. The Fora platform includes forum software by XenForo. Changing the air filter on a 2014 Chevy 2500 with a 6.6L LML Duramax How to Grease the Front End on a Chevy 2500 6.6L Duramax. Safety Features. I know the front is 2 qts, but 4.4 pints is only a little over 2 qts, which is almost half of the 4 qts that gmclbz is saying. What about this oil number 75-140 full synthetic is it work with gmc sierra 2500 hd or no. When it is very cold, below 0 Deg. Benefits of our formulas include: OurBlue Diamondpure poly-alpha olefin (PAO) oils, paired with specialized additives, are among the recommended oils for Duramax engines. Changing the fuel filter on a 2014 Chevy 2500 with a 6.6L LML Duramax. Checking fluid levels on a 2014 Chevy 2500 with a 6.6L LML Duramax How to Change an Air Filter on a Chevy 6.6L Duramax. 2008 6.7 Quad cab SB, G56, 3.73, black, Edge Insight, 285-70/17 BFG, Bilstein 5100 shocks, MagHytec rear diff cover, otherwise all stock. Ssuper tech full synthetic gear lubricant 75w-90 is the recommended type of fluid to use in this vehicle and is about 20 a bottle. This article applies to the Chevrolet Silverado 1500 (2007-2013). The more you can do on the outside the more comfortable you'll be while doing it. If the fluid goes bad or gets low, it can't do its job as well which can lead to damaging the gears inside the transfer case. Changing the transmission fluid and filters on a 2014 Chevy 2500 with How to Change Rear Differential Oil on a 2014 Chevy 2500 6.6L LML Duramax. For the 2009 it shows two diff one is the 11.50" The other is that 9.50-10.50" which is the only one that showed up on the 2005 look up. It take 2 qts in the front and about 4 in the rear. 3975 Morrow Meadows Drive Add this car
Just talked with the dealer about my Silverado 2500 2014 LT. Front and Rear Differential receives 75-90 Synthetic The Transfer Case gets Dex VI. When looking for the best oil for Duramax engines, its important to consider if the additives do what you need them to. What year is your dually and is it the HD model? I have edited that post with the current information. The Car Connection is published by, Transmission, 6-speed automatic, heavy-duty, electronically controlled with overdrive and tow/haul mode (Requires (LY6) Vortec 6.0L V8 SFI engine), Dead Weight Hitch - Max Trailer Wt. The Questions and Answers on this page are the statements and opinions of their respective authors and not VehicleHistory.com. Differential fluid, also called gear oil, is the fluid that is poured into the rear differential housing. This resistance to flow ratio is called viscosity. On top of engine age and performance needs, its essential to use the right oil for your engine power. Chevrolet recommendations and specifications for oil and fluid for 2003 Silverado 2500 HD. Theparticleschemically bondonthe surface, increasing lubrication and strength. The trade marks appearing on this website including, but not limited to: GM, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Opel, Pontiac, Saturn, Vauxhall and their respective logos, emblems, slogans and vehicle model names and body designs are trademarks and/or service marks of General Motors Company, its subsidiaries, affiliates or licensors. Im going to change the front and rear differential with royal purple, does anyone know how much i will need for the front and the rear if i drain and fill. It's installed with a magnet. '65 Dodge Polara 880 Convertible 383 hp Automatic. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 31 people found this helpful. Because frequent maintenance enhances the efficiency, performance and resale value of your Jeep, we encourage you to follow our schedule. ACDelco GM Original Equipment SAE 75W-85 Synthetic API GL-5 Differential Fluid, 1 Quart (10-4032) 0. Use Shift Restore as a preventative maintenance product or to solve existing issues with the transmission. There's a drain plug for both of them on the lower part of the differentials. Whetheryoure looking for a solution for existing stictionorneed apreventative,ourStiction Eliminatorwill clear your engine and keep it clean. I allways fill them til they drip out, never had a prob. Synthetic gear lubricant 75w-90. Your oil needs to work as hard as your engine. Here's a link to a thread I started recently on gear oil. My Favorite source for parts & filters and Amsoil is MadJack Diesel Performance. Come join the discussion about reviews, drivetrain swaps, turbos, modifications, classifieds, builds, troubleshooting, maintenance, and more! 2001 to 2007 model year engines require a CI-4 or CH-4 engine oil, while later 2007.5 and newer engines require a CJ-4 or CK-4 engine oil. I was under the impression that differentials have some kind of venting system on them so too much pressure cannot happen. I just filled the axle in my 5500 with gear oil instead of synthetics. The 6.6 liter Duramax oil capacity is 10 quarts a massive amount of oil. Changing the air filter on a 2014 Chevy 2500 with a 6.6L LML Duramax with Frantz oil bypass filter system. May 11, 2009. bigjerm7 said: 2009 Duramax 3500HD 4x4 Dually. 2008 qc/lb 3500 lrmie smarty, deleted, 20% tint, tdk bumpers, 145 glns of fuel, killer sound system, CAI, 125k miles. If you have a different type of Duramax, check out our other maintenance guides. I run 75-140 Synthetic in both front and rear. . Yes, the venting would prevent pressure buildup. In this video we show how to service the rear differential fluid on a Chevrolet 2500HD. I'm guessing 3 quarts each. car
I put about 3.5 qts. 2011, 2012, 2013, 2014, 2015, 2016 GM (Chevy and GMC) trucks. Severe conditions include the following: ** If operated under one or more of the following conditions, perform theseprocedures at half the recommended interval. 2013, 2014, 2015, 2016 GM (Chevy and GMC) trucks. Never had a problem running empty with the heavier oil in the old truck and it didnt seem to hurt the MPG either. A clean plug is a good sign gears aren't worn down. An 8.6 inch rear differential is equipped with 4.2 pints and the Silverado's 9.5 inch rear, useS5.5 pints. Many people debate whether synthetic or non-synthetic oils are the way to go, when it really comes down to additives. year to help you gain confidence about one of your largest purchase decisions. I want to say mine was "low" by my standards when I brought it homeit was around a 1/2 inch (or more) below the fill hole. The Chevy Silverado, like any other truck, isn't perfect. In freezing temperatures, switch from Everyday Diesel Treatment toDiesel Winter Anti-Gelfor protection against fuel gelling. 2013 Chevrolet Silverado 2500HD Work Truck (WT) Full Specs. If you have a torque wrench you can torque it to 15 ft-lbs.. The frequency of your oil changes will be dependent on how well your oil keeps the engine clean as it runs. (lbs), Wt Distributing Hitch - Max Tongue Wt. :S: Amsoil just came out with a "Upgraded Technology" Nov 2010' per Falex Extreme-Pressure Tests (ASTMD-3233) 80% increase in EP (extreme pressure) Protection, also increased in anti-wear properties under heavy load. #1. Most of these recommended routine maintenance tasks you can do yourself at home for practically no money, as long as you have a few simple tools and the time to invest. Thisfriction reducer is made with uniquepatented synthetic lubricants. the OM also says to change the diff fluid every 15,000mi. Also rear ends get pretty toasty and the vent tube is important. Stiction Eliminatorisasynthetic cleaner thatsafely and effectivelydissolvesstiction (sticky friction) found onenginecomponentsthat have become coated in oil. DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. The differential casing can be found under the truck in the middle of the driveshaft. Just like your transmission, the transfer case requires fluid for both lubrication and cooling. The owners manual tells me what oil to use but not amount. I have read several threads on this forum where members suggested to change out the rear differential fluid early on, because of the stock fluid they put in are not as good as the synthetics, and to inspect for excessive shavings and such. Joined Apr 14, 2008 . 1A Auto Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. We give you service schedules for normal and severe use, fluid capacities, and a complete list of recommended filters, engine oils, and fluids to use. This article applies to the 4WD Chevrolet Silverado GMT800 (1999-2006). MAG-HYTEC covers and pans set your vehicle apart in both aesthetics and function - cast in A356-T6 aerospace quality aluminum and texture powder coated black with matching cooling fins. PROS: It conforms to the latest standards of resource-saving oils according to API, ACEA, and ILSAC classifications. My Favorite source for parts & filters and Amsoil is MadJack Diesel Performance. . Ford Performance Limited-Slip Differential Friction Modifier, 4 oz x 12 (M-19546-A12) 0. Recheck the fluid level after filling. That's correct; the 6.0 gassers have a different rear differential (10.5") than the 8.1L and the 6.6L (11.5") on the 2500/3500HD's. My previous response should have said the 8.1L gas engine and the 6.6L diesel use the same rear differential. FR3 can reduce wear rates by 43%. 1A Auto Parts If you need more guidance, or even step by step instructions and a video demonstration, get theonline manual, or ourtraditional printed manual. Take care of your 4WD system, and it will take care of you. Like the drain plug, this only needs to be hand-tightened. Extra capacity covers help for the rear. I have a 2008 2500hd duramax I'm looking to make it posi. LT. $33,180. Stiction Eliminatorismeanttolast as long as your oil cycles. 2008 Chevrolet SILVERADO 2500 HD PICKUP 6.0L 8 -cyl Engine [K] Change Engine Quarts LITERS Change Vehicle View Previous Version Engine Transmission Differential Transfer Case Other Fluids Additional Products Create an Oil Change Kit Hide Kit Pricing Options: $119.39 Retail Price ( USD) Preferred Price: $91.84 Save: $27.55 Learn More Dodges use Dana rear ends and front ends. Transfer case: Dexron III ATF is the factory called fluid. I fill em with 75x140 amsoil in the rear and 75x90 in the front. AAM and the Dodge service manual call for synthetic 75w90. What is the procedure for replacing the pinion seal on the front differential of a . If you have questions, give our team a call at 800-341-6516. The Questions and Answers on this page are the statements and opinions of their respective authors and not VehicleHistory.com. With all the different types of additives out there, you want to understand your priorities before making a decision. Generally, Duramax engines will take two different oil types: While theres no wrong answer for your choice of oil grade, you should consider the care requirements that come with each. Please be noted that all capacities listed here are approximate. Luckily, this can be addressed by following the proper L5P Duramax Maintenance schedule. does not research or authenticate any of the Answers provided. The Fora platform includes forum software by XenForo. $29.30. Looking for other models of the Chevrolet Silverado 2500HD? What Is a Fuel Filter (and What Does It Do)? They're very powerful and capable, but they're also very vulnerable to poor fuel quality. Drain and Refill, Allison 6 speed - 7.4 quarts service refill, 12.7 quarts total capacity GM-Allison 10 speed - 20.6 - 22.1 quarts total capacity, How to Change the Oil and Filter on a Chevy 6.6L Duramax.