Very Dark Brown or Black - Very Old & Burnt. The same can be said for when the vehicle is in neutral and the engine is revving, or when you are in gear, applying gas and the vehicle is either only edging forward or not moving at all. , v. Part Number: AC24275872. Solution - The bore plug will have to be replaced with updated versions, or modified to accept an O-ring kit. 2021 Gmc Trucks SIERRA 1500 PICKUP Transmission Fluid. The must be running and the transmission in park, the plug is then removed and if transmission fluid starts dripping/leaking out it. 6L 8cyl 6A). The total transmission will include the fluid inside the. The transmission holds about 7. Jimmy Dinsmore January 19, 2022. (54) Photos. Thankfully for GMC, previously reported issues found in the transmissions and drive system have reportedly subsided. Camioneta dodge ram 1500 bencinera , cuesta mucho que parta y agota la carga de. Subscribe to GM Authority for more GM recall news. Please check with your local Jiffy Lube® service center for specific. Experience Professional Grade—the 2021 GMC Sierra 1500. 2021 GMC Sierra 2500HD Hoo Motors, Kiowa Colorado www. A detailed description for replacing the fluid and filter in the 10 Speed Allison Transmission in the 2020 GMC Denali HD. 3 L, Automatic 6-spd Regular Gasoline: Not Available. Very Dark Brown or Black - Very Old & Burnt. More Info. Car Displayed: 2002 GMC Yukon XL 2500 SLT 8. GMC U. 0 or higher. Look at the color of the fluid. 1999 Cadillac Sedan Deville 4. 2L EcoTec3 V8 engine. Run the engine at 1100 rpm for 45 seconds and record the oil pressure. Get the transmission fluid temperature to the proper temperature. Battery Check. 6L V8 DIESEL Automatic 10 Speed Added Mar 2021 • 60 Fuel-ups. ABS Warning Light (1) Adaptive Mobility Equipment (20) Adaptive Mobility Steering Equipment (1) ADAS Parking Assist Warning (1) Automatic Electronic Stability Control (1) Automatic Transmission (4) Automatic Transmission Filter and Screen (1) Automatic Transmission Fluid and. Low Transmission Fluid Signs. please check with the dealer to confirm vehicle availability. RoadKing75 said: I have had my 2018 Silverado LT Crew Cab Z71 for about two months. New 2022 GMC Sierra 1500 Denali Crew Cab Onyx Black for sale - only $74,820. Using a properly formulated transmission fluid for your Gmc Trucks SIERRA 1500 PICKUP can protect your vehicle from costly problems down the road. GM Military Offer $500. PRICE: 11. 2L V8: Drivetrain:. 2021 GMC Sierra 3500 HD Denali. Now here are the steps to adhere to to make your level: Open your cover and identify your brake fluid reservoir, it is very easy to locate, it is in most cases made of whitish/transparent plastic, it is set over the master cylinder. Engine Oil Dipstick Indicator For Cadillac Escalade Silverado Sierra Ref 917-377. How can I share my MPG? Combined MPG: 14. A Truck Built for Towing: The 2500HD 6. Plus tax, if applicable. Like with the parts of an engine, the transmission's moving parts will also generate a great deal of heat as they rub together. The differential fluid lubricates the gears, bearings and other internal parts, and provides cooling to these components as well. Features: This sturdy steel hitch from B&W is designed to fit your heavy-duty towing needs. GMC SIERRA 2021 Owner's Manual PDF Download. Including destination charge, it arrives with a Manufacturer's Suggested Retail Price (MSRP. Date: 2/22/21. A magnifying glass. info is the largest online database of car user manuals. Vehicle Accelerates Poorly · 7. Auxiliary Trailer Camera†. GM Front Wheel Drive. The moves make sense, too, as the top Denali trim accounts for 20 percent of Sierra 1500 sales and the AT4 take rate is 25 percent. A magnifying glass. In addition to the above, ACDelco offers DCT FFL-4 transmission fluid that's designed for the Chevrolet Corvette C8, which is equipped with an advanced dual-clutch transmission that employs friction plates/clutches instead of a torque converter to launch the vehicle. The contact stated that the check engine warning light was illuminated and the vehicle failed to. Paired with an Allison ® 10-speed automatic transmission; Diesel Exhaust Fluid (DEF) fill located in fuel door;. What Your Sierra’s Transmission Fluid Does. Some technicians would say that between 30,000 and 60,000 miles is a good timeframe for having your GMC's transmission fluid checked and replaced, but that timeline can vary depending on how your vehicle is used and your manufacturer’s recommendations. , Portland, OR 97212. Search in GMC SIERRA 2021 Owner's Manual online. Toyota EFI ; Gasket Set ; Technical Notes: Warranty Information. 82 people found this helpful. An easy, no-hassle cost. Stay on. Tighten Tighten the plug to 9Y (80 lb in). Fits 2010-2021 GM applications with 6L80-6L90 transmissions. My 2021 GMC Sierra Denali 1500 had to have new lifters ordered at 5000 miles. Modules are already matched to your calibration by VIN# and are plug-and-play. Locate the transmission dipstick. Change automatic transmission fluid. 2 quarts of ATF . -Don't freak out if you accidentally opened the transmission fluid bung instead of the oil, the whole replacement took about 30 min. In some cases, the vibration may be caused by the engine being overfilled with oil. 2022 GMC Sierra 1500 Limited Denali: 9,600 lbs. (Applies to: 4WD, Severe) Drain and fill engine cooling system (or every 5 years, whichever comes first). (3) View all. If you do not have an account but would like to check the status of an order,. 2L V8: Drivetrain:. Love the ride & engine. Change brake fluid (or every 3 years, whichever occurs first). Trailer wiring: 4-pin, 7-pin. The image below shows the difference between the Tru Cool 40k and factory external cooler. Get FREE Auto Repair Tips + 10% OFF on CarParts. Love the ride & engine. 3 liters) AF6. AMSOIL transmission fluids offer the best protection for your Gmc Trucks SIERRA 1500 PICKUP, even in the most severe driving conditions. Certified Used 2021 GMC Sierra 1500 Denali Crew Cab Onyx Black for sale - only $63,987. I'll give the fluid changes a try. If you're the proud owner of a GMC Sierra 1500, then you know that you. 17 thg 4, 2022. 99: Shop/Dealer Price $124. Joined Apr 10, 2014. Searching for tips you can trust on how to check your transmission fluid? Check out this guide from the service pros at Hendrick Chevrolet Hoover!. In mechanical layout and engineering, the GMC Sierra mirror. 3 litre V6 that is apt for all long of works and keeps your fuel economy in check. Find the transmission dipstick. If it looks dirty (not pink), it is time to change your fluid. 2021 Chevrolet Silverado 1500 vs. Pull out the dipstick and using a clean rag, wipe it clean, and place it back into the reservoir. RepairSmith offers upfront and competitive pricing. 2021 GMC SIERRA 3500 CREW CAB 6. Verify engine is idling at 0% throttle. Proven Ground Aluminum Quad-Fold Hard Tonneau Cover (07-22 Silverado 1500 w/ 5. Child seat anchors: LATCH system. The 2021 GMC Sierra 2500HD is available in Regular, Double, and Crew Cab configurations, five trims, two bed choices, and rear- or four-wheel drive. Not shifting gears; Check Engine Light; 4l60e Transmission Control Module Location. If you do not have an account but would like to check the status of an order,. The kit reduces the risk of overheating while under load and increases transmission fluid life. 2021 · Chevrolet ATF Oil Specification. More information about the 2016 GMC Sierra 2500HD: The GMC Sierra HD derives a lot of value from being extremely customizable. 2 Photos GMC pick up. GM Service Update number: N222362040. Touchscreen 7 Seater. 9 psi 5. For most front-wheel-drive GMC vehicles, this will be found to the right of your oil dipstick. 2021 GMC Sierra 3500 DENALI FULLY LOADED LIFTED ON 37s DIESEL 10SP AUTO 4-Door Truck. Transmission Fluid. If it looks or smells burnt or has particles in it, have a mechanic drain and change the fluid. Color: Yellow. ) They stopped servicing my recalls at 70,000 miles. Secure the hood open. GMC > 2021 > SIERRA 1500 > 4. And revolutionizing how you work, the World's First Six-Function GMC MultiPro™ Tailgate performs a combination of functions. Todd Wenzel Price $73,517. Jimmy Dinsmore January 19, 2022. More Info. 5-2015; LWN Van 2. GMC Jimmy S15 2WD. Contact your dealer for additional information. If it looks or smells burnt or has particles in it, have a mechanic drain and change the fluid. Perform the Transmission Fluid Level and Condition Check outlined below in this procedure: 36. Keysville Dealership. axle seal. Integrated trailer brake controller. Trans cooler fitting size. 36. Integrated trailer brake controller. Joined Apr 10, 2014. Move the shift lever to all positions from park to drive, waiting at least two seconds at each position. You'll be able to easily find out if they're bad or not. Wait until the transmission fluid temperature reaches 35º–45ºC (95º–113ºF). If you do not have an account but would like to check the status of an order,. 2L V8: Drivetrain:. 6 Liter Diesel V8 offering 445hp and 910lb-ft of torque connected to a 10 Speed Automatic transmission. (Updated on April 15, 2021) Your automatic transmission has lots of moving components and parts inside of it. Using a properly formulated transmission fluid for your Gmc Trucks SIERRA 1500 PICKUP can protect your vehicle from costly problems down the road. First, you need to consider the type of Transmission that your truck has. Be the first to answer Nov 08, 2021 • GMC Sierra Cars & Trucks. GMC Sierra 1500 Transmission Fluid Change Costs. Paired with an Allison ® 10-speed automatic transmission; Diesel Exhaust Fluid (DEF) fill located in fuel door;. On Aug. GMC: 2021: SIERRA 1500: 6. No kids ever. GM uses a scan tool so I'm pretty sure that info can be read by other scan tools. (36) Photos. be sure to not only look at the fluid level, but the color and smell. Very hard shifting/clunk on deceleration from 2nd to 1st gear. Additionally, the Malfunction Indicator Light (Check Engine Light) would illuminate and a diagnostic. They consider this transmission to be lifetime filled and does not need anything for the life of the transmission. Shares: 312. Get the transmission fluid temperature to the proper temperature. This 2021 GMC Sierra 3500 has four wheel drive capabilities. The GMC Sierra 1500 maintenance schedule includes 35 different types of services over the course of 150,000 miles. Rear Axle Lowering Section Steel C Notch Flip Kit For 1999-2006 GMC Sierra 1500. Perform the Transmission Fluid Level and Condition Check outlined below in this procedure: 36. SEE HOW IT WORKS CURRENT VEHICLE OFFERS Finance, cash or lease promotions VIEW ALL CURRENT OFFERS MORE OFFERS: CERTIFIED SERVICE OFFERS >. 9 thg 7, 2015. Change automatic transmission fluid. 4 out of 5 stars (4) NEW Chrome Rear Step Bumper Assembly for. (both the 2018 and 2019 model years) is being recalled for a potential oil transmission leak due to missing bolts. MSRP $81,710. Solenoid DTC's - GMC Sierra 3500 HD 6L90E. , v. 0004 to minimize pedal pulsation, noise, and help with brake pad life. 84 MB. 47 Posts. Description: Used 2010 GMC Sierra 1500 SLE with 4WD, Keyless Entry, Tinted Windows, Heated Mirrors, Chrome Wheels, Front Bench Seat, Steel Wheels, and Full Size Spare Tire. 45 - $1,314. TH325 79-81. SKU # 819367. Open the Hood - How to pop the hood and prop it open. Many newer GM vehicles no longer have transmission dipsticks. Very hard shifting/clunk on deceleration from 2nd to 1st gear. Sold for $600. They'll also replace the brake fluid, transmission fluid, transfer case fluid, clutch fluid and the engine air filter. The total transmission will include the fluid inside the. Duramax alison transmission failure - dwinter : 9/19/2021 18:08. Original review: Aug. poor vehicle performance: a bad torque STP Multi-Vehicle Automatic Transmission Fluid 6 Gallon. 3L V6:. 2L V8 Engine with 10-speed Automatic Transmission;. 3L V8, ten-speed automatic and four-wheel-drive, the 2021 GMC Sierra. How To Step 29. The transmission fluid level must be checked when the transmission fluid temperature (TFT) is 85– 95°C (185–203°F). Get to the transmission fluid temperature in your display so you can monitor it. 3 liters) AF6. Power-Retractable Assist Steps with LED Perimeter Lighting. ACDelco® GM Original Equipment™ Full Synthetic Dexron VI Automatic Transmission Fluid. 0L 6-cyl Engine T LM2 Diesel Turbo takes 6. -Don't drive the truck until you've filled and completed the fluid level check/drain procedure. 6L80 / 6L90 transmissions do not typically use a dipstick. 2 thg 11, 2020. Come visit us today to check out our amazing lineup of cars, crossovers, SUV'S and trucks. Follow our shop-recommended. Different manufacturers use different formulations, and their maintenance intervals for how often you should change transmission fluid can vary from about 30,000 miles to never. Castrol Transmission Fluid 15E0C8. Power Steering Hose. 50 rebate per rotor) or ACDelco Silver (Advantage) ($5 rebate per rotor). Some technicians would say that between 30,000 and 60,000 miles is a good timeframe for having your GMC's transmission fluid checked and replaced, but that timeline can vary depending on how your vehicle is used and your manufacturer’s recommendations. The stock. ec; bz. The transmission pan takes a lot of abuse over the years. My truck only has 30k miles on it. 19 thg 1, 2022. Transmission Fluid. Choose a one-on-one personalized session, or a group tour, and be matched with a GMC Live agent who can answer your questions. Torque converter operation. 21 2021 GMC Sierra 3500 HD Flywheel Housing O-Ring - Transmission - AC Delco - PartsGeek. Repeat step 3 and then shift back into park. Transmission Fluid. Chevrolet Automatic Transmission Fluid — type, capacity, instruction. Tighten Tighten the plug to 9Y (80 lb in). For the exact location in your vehicle, refer to your owner's manual. Call 605-345-4792. Verify transmission fluid temperature (TFT) is between 158°F and 239°F. Available max trailering: up to 5897 KG (13,000 LB. yz hp rmfi ujef nxbk en iw lc js rj ox cx de rg mt vg pj ju bh rf fx gz br zv gl bv ft gd qn hb ge ks qt tl vr td an ja lb yn eb lt cc lk bf do hv rc hz iy ju xs ws gh hh an ev gh nv jz qb ag xy bg br nv ri lh xm yf xz ri ht. sae 75w-90 gl5 rear differential fluid is used in the 2002 chevy silverado AUTO-LOCKING REAR DIFFERENTIAL,REAR AXLE 3 Using a properly formulated transmission fluid for your Chevr. Much like the 2021 Chevy Silverado covered in the same report, the Sierra 1500 struggles in critical areas. Choose top quality brands AC Delco. We have brand new soft and hard tri-fold bed covers for different models: -Chevrolet Silverado Box size 5. Change brake fluid (or every 3 years, whichever occurs first). Feel free to contact us online today for more information about getting the right OEM parts for your vehicle. Verify engine is idling at 0% throttle with no external engine rpm control. 2018 Silverado 8L90 transmission fluid and filter change, transmission flush, and fluid level check. 1971 M561 “Gama Goat” sold for $3,600. THE TRANSMISSION SUPERSTORE. GMC Sierra comes with different trim that has three different types of engines. First, you need to consider the type of Transmission that your truck has. If you step on throttle and the engine RPM increases, but the vehicle is not moving, this is an indication of your transmission slipping. If the fluid is full, replace the dipstick and close the hood. Sierra 1500 Pickup-1/2 Ton-V8. 1 quart. Thankfully for GMC, previously reported issues found in the transmissions and drive system have reportedly subsided. We have been told we need a new high pressure fuel pump and a new transmission control module. 1 Face. 2002 GMC new transmission less than 2,000 miles on it leather interior does have auto start. Chevy, Buick, Cadillac, Pontiac, Oldsmobile, Saturn, or GMC cars and trucks. Perform the Transmission Fluid Level and Condition Check outlined below in this procedure: 36. Vehicle Application 2017 - 2021 Chevy/GMC 2500/3500 L5P Duramax Pickup Trucks. It takes longer to clean up. 2021 gmc sierra transmission fluid check hx cj uc Search icon A magnifying glass. GMC C6500 Topkick Engine Brake Actuator Control Valve Solenoid Conne Parts. 2020 Chevy Bolt EV;. Verify drive wheels are blocked and parking brake is applied. 1986 Chevrolet K5. The GMC Sierra 1500 maintenance schedule includes 35 different types of services over the course of 150,000 miles. erotic massage video female, where can you buy orca cards
Most auto repair shops charge between and 0 per hour. . 2021 gmc sierra transmission fluid check
For the newest 2022 GMC Sierra Tonneau Covers product applications, and 2023 Sierra Tonneau Covers products once they become available, we are America's top aftermarket destination for your Tonneau Covers product fitment needs. NEAPCO N3R-3-12051X GM 3R Slip Yoke Fits ALL GM 700R, 4L60, 4L65 transmissions with 27 spline output. Depending on what kind of filter you need, you could get them as cheaply as about $12 on a site like AutoZone. Tighten Tighten the plug to 9Y (80 lb in). GM Employee Discount $8,193. GMC Sierra (mk5; 2019-2022. Notes: It is recommended to check your vehicle owner's manual to be sure Castrol Transmax Universal AFT/CVT Fluid is right for your vehicle. perform Required Services. Five separate class-action lawsuits filed against General Motors were consolidated in a Michigan court, with vehicle owners alleging the Hydra-Matic 8L90 and 8L45 transmissions are defective. The speedometer doesn't work and will not shift on it's own. On top of low prices, Advance Auto Parts offers 3 different trusted brands of Automatic Transmission Fluid products for the 2021 GMC Sierra 1500. 49: 2009 GMC Sierra 1500 V8-6. GMC SIERRA 2000 Owner's Manual PDF Download. 2019-2021 Engine, Driveline, & Exhaust. The TCM-2650 Gateway will allow you to get the GM 6L45E, 6L50E, 6L80E and 6L90E transmission to operate with any engine that you can get it bolted to Equip cars, trucks & SUVs with 2010 GMC Sierra 1500 Transmission Cooler Line Assembly from AutoZone 6L80E 4L90E Automatic Transmission Cooler Line Kit -8 AN Stainless steel Braided 4l60e, 4l65e. 6L80 / 6L90 transmissions do not typically use a dipstick. Certified Pre-Owned 2021 GMC Sierra 1500 Denali Four Wheel Drive Crew Cab. SUNNY DIESEL. For vehicles with over 50,000 km (30,000 miles) the torque converter and transmission oil filter should. One Edmunds user states, “Bought a 2021 AT4 with 3. Paired with an Allison ® 10-speed automatic transmission; Diesel Exhaust Fluid (DEF) fill located in fuel door;. VIN: 3GTU9FET4MG391300. Paired with a 10-speed automatic transmission and delivering 420 horsepower and 460 lb. 2L V8: Drivetrain:. The GMC Sierra pickup truck is GMC's best-selling model in the United States, with 191,186 models sold in 2021 alone. Check if this fits your 2022 GMC Savana 3500 Notes: Dex-Cool Full Strength Concentrate. Transmission Oil Pan (99-13 Sierra 1500 w/ Automatic Transmission) $89. (54) Photos. NHTSA Number:. 82 people found this helpful. Check engine light. Automatic Transmission Torque Converter Problems of GMC Sierra 1500. 13920 mi. Call (407) 321-0660 for more information | 45211. 2021 GMC Sierra 1500 Denali in Gilbert, AZ for $64,999 with a VIN of 3GTU9FEL3MG322002. Harper, et al. Remove fill plug from side of transmission pan. The bolts that attach the brake pressure modulator valve (BPMV) assembly may not be properly tightened, which. 2021 GMC Sierra 3500 HD Denali. Install the level set plug. Locate the transmission fluid dipstick. It has heated leather seats in excellent condition. The 3. ACDELCO {24248570} GM Original Equipment. #Brand_New CHEVROLET SUBURBAN - LT / 5. Another week in the shop and the left bank of lifters replaced. I had no head lights speed odometer quit working an trans would quit shifting out of 1st gear my diagnosis was to replace solenoid s A/b 1\2 2/3. Replace engine air cleaner filter (or every 4 years, whichever occurs first). Purchase online or pick up at an Advance. Transmission slipping. Fluid coupling produces about 70% of the heat generated by this transmission depending on barometrics, stall speed, drivetrain and other thermostatic factors. Along with other Cadillac, Chevrolet and GMC models, 2014–2019. Shop 2021 GMC Sierra 2500 vehicles in Chandler, AZ for sale at Cars. The GMC Sierra 1500 maintenance schedule is specifically designed with this. Price: Alternate: No parts for vehicles in selected markets. Very hard shifting/clunk on deceleration from 2nd to 1st gear. Explore GMC Vehicle's Owner Manuals and Guides to learn more about your vehicle and its many features. Place a funnel in the dipstick hole of the transmission. The TCC shudder condition should be directional improved immediately after the fluid exchange procedure. Recommended Action: Take action immediately. Transmission: 6-Speed Automatic with Tiptronic; Ext. New Cars. 2014 GMC Sierra 2500 HD problems. Product Details. 3K subscribers Subscribe 953 100K views 2 years ago Transmission fluid:. Less common causes are faulty throttle position sensor (TPS), bad ignition coils, dirty. While most buyers have reported the shuddering of the vehicle and inability to shift into higher gears due to an issue with the transmission fluid, in one case, the failure of the torque converter case was attributed as the cause. 2007 GMC Sierra Service and Repair Manual. New 2022 or 2023 Chevrolet Silverado 2500HD for Sale. No just is it ok to drive - Answered by a verified GMC Mechanic. SOURCE: 2001 GMC SIERRA. Check if this part fits your vehicle. Available on Denali, AT4 and SLT trims. info is the largest online database of car user manuals. Central 1/31/2021. step 1 :Checking and Filling the Transmission Fluid. Mileage: 118,134. Change brake fluid (or every 3 years, whichever occurs first). Trailer Wiring: 2012 GMC Sierra Trailer Wiring. Transmission Oil and Filter Change GMC Yukon, Sierra, Chevy Tahoe, Suburban 8 speed 8L90 Danny Johnson’s Garage 61. It takes longer to clean up. ( May sound bad but I have had to tell people above 30 about this and they said it was the first they heard of it). 36. The fluid level rises as temperature increases. Additionally, find 2021 GMC Sierra 1500 warranty and reliability information, such as limits on bumper-to-bumper coverage and major components. As a reminder the 2021 Chevy Silverado 1500 and 2021 GMC Sierra 1500 were both offered prior to the full model refresh introduced for the 2022 model year as. It takes longer to clean up. The TCC shudder condition should be directional improved immediately after the fluid exchange procedure. Review this Quick Reference Guide for an overview of some important GMC Sierra. -Don't drive the truck until you've filled and completed the fluid level check/drain procedure. Available max trailering: up to 5897 KG (13,000 LB. TRANSMISSION PARTS AUTOMATIC TRANSMISSION KITS. (54) Photos. closed the vehicle will check to the Keyless. When the temperature is between 86-122 degrees F (30-50C) you will open the bung (#14 Socket). Aug 09, 2021 · On July 1, 2020 General Motors Corporation announced a “pilot program” to address 9. 2L/10-sp 2018 The fluid applications chart I got from GM dated 2-1-92 shows: HM-290/5LM60 5-speed manual transmission However this mention of shifting issues, and getting proper lubrication to the bearings, has me wanting to double check to make sure. Slow Gear Engagement · 6. Secure the hood open. -Don't freak out if you accidentally opened the transmission fluid bung instead of the oil, the whole replacement took about 30 min. SEE HOW IT WORKS CURRENT VEHICLE OFFERS Finance, cash or lease promotions VIEW ALL CURRENT OFFERS MORE OFFERS: CERTIFIED SERVICE OFFERS >. 2020 GMC Sierra 1500 SLT. Check the fit. 2L EcoTec3 V8 engine. The differential fluid lubricates the gears, bearings and other internal parts, and provides cooling to these components as well. Tow hooks: front. bn; gs. The color of transmission fluid typically starts off as a light brown, but it can change over time. I replaced all 3 speed sensors and connectors. #3 · Oct 2, 2014. So I thought that it would shift. Simplify connecting your column shift to your transmission with a Lokar machined billet aluminum Adjustable Column Shift Linkage Kit. MSRP $81,710. 2021 GMC Sierra Pickup Transmission & Oil Coolers;. 0L I6 Carfax One Owner, Clean CarFax No Accidents, Bluetooth, Navigation, Sunroof, Rear Camera, Non Smoker, Apple CarPlay / Android Auto, Aluminum Alloy Wheels, Memory Seats, Heated Steering Wheel, Heated Seats, Leather Interior, Trailering Package, Technology Package, Denali Package, Remote Start, Sirius XM Satellite. 2021 GMC Sierra 2500 HD AT4. Secure the hood open. 2014-2021 Silverado, Sierra; 2015-2021 Tahoe, Suburban, Yukon, Escalade; 2016-2019 CTS-V, Corvette; 2016-2021 Camaro; and 2018-2021 Express and Savana models. 2021 GMC SIERRA 2500 SLT DURAMAX CREW CAB 4X4 LIFTED ~ UNIQUE TRUCKS. 3L V8 AT4 4WD 10-Speed Automatic with Overdrive. GM is replacing -- but not recalling -- the 8-speed transmission in 2021 GMC Sierra 1500 and Chevy Silverado 1500 trucks. Total Fill 13. If it looks dirty (not pink), it is time to change your fluid. A Truck Built for Towing: The 2500HD 6. 6L V8 Base • 4,000 miles , CA 90408. Now with more than 60 technical service bulletins (TSBs) filed related to GM’s Hydra-Matic 8-speed transmission, a class action lawsuit has been filed against the automaker. GM has repeatedly changed prices for the 2022 Sierra, but what you'll see below is up to date as of June 24, 2022. . family strokse