EN
About Us About Us
Parts & Tools Parts & Tools
Gear Guide Gear Guide
search

Transmission Fluid Leak Fix: 2015-2019 GMC Sierra 2500 HD

Rosen Nissan helped make these videos

We are still working to obtain content for your car, however the video above is believed to have similar characteristics as your car.

 
Video Description

Your Sierra 2500 HD should be running when you check your transmission fluid level, otherwise the transmission fluid level on the transmission fluid dipstick will not be accurate. The video above shows how to fix minor transmission fluid leaks in a 2015 GMC Sierra 2500 HD. If you have automatic transmission problems in your Sierra 2500 HD, ie: it hesitates when shifting gears or seems sluggish shifting from one gear to the next (1st to 2nd gear, 2nd to 3rd gear, 3rd to 4th gear, etc.) check your transmission fluid level first. Unscrupulous mechanics will often suggest a more expensive repair, such as a rebuild, when adding some transmission fluid will fix your Sierra 2500 HD. If, after adding transmission fluid, you notice that your fluid level is low again, follow the steps highlighted in the video above to fix the transmission fluid leaks in your Sierra 2500 HD.

In GMC's desire for more performance and better fuel economy, GMC has been developing innovative transmissions on a regular basis. Therefore it is important to use the exact type of transmission fluid stipulated by your Sierra 2500 HD's owner's manual. Many vehicles with manual transmissions do not have a dipstick and their fluid level should be checked by an automotive technician as the car will likely need to be hoisted on a lift.

Other videos you might find helpful

  • 2015 GMC Sierra 2500 HD 6.0L V8 FlexFuel Extended Cab Pickup Transmission Fluid Check Fluid Level
    Check transmission fluid level

    Harsh downshifts? Slipping gears? You might be low on transmission fluid

    2015 GMC Sierra 2500 HD 6.0L V8 FlexFuel Extended Cab Pickup
  • 2015 GMC Sierra 2500 HD 6.0L V8 FlexFuel Extended Cab Pickup Battery Clean Battery & Terminals
    Clean the gunk off of your battery

    If your battery has green or white cruddy deposits, it is probably not getting enough juice from and will likely wear out sooner

    2015 GMC Sierra 2500 HD 6.0L V8 FlexFuel Extended Cab Pickup
  • 2015 Chevrolet Silverado 2500 HD LT 6.6L V8 Turbo Diesel Crew Cab Pickup Bluetooth Pair Phone
    Pair your phone

    Driving with your phone pressed against your ear is illegal in many places. See how to talk hands free!

    2015 Chevrolet Silverado 2500 HD LT 6.6L V8 Turbo Diesel Crew Cab Pickup
  • 2015 GMC Sierra 2500 HD 6.0L V8 FlexFuel Extended Cab Pickup Coolant (Antifreeze) Flush Coolant
    Coolant flush

    Flushing the coolant in your car is not that hard and will extend the life of your engine tremendously - learn how here!

    2015 GMC Sierra 2500 HD 6.0L V8 FlexFuel Extended Cab Pickup
  • 2015 GMC Sierra 2500 HD 6.0L V8 FlexFuel Extended Cab Pickup Coolant (Antifreeze) Check Coolant Level
    Be cool under pressure

    Your coolant should perform well under any condition - just like Aaron Rodgers!

    2015 GMC Sierra 2500 HD 6.0L V8 FlexFuel Extended Cab Pickup
  • See all videos for the 2015 GMC Sierra 2500 HD
The Right Parts
The Right Tools
stop leak drain pans transmission fluid shop towels engine air filters fluid pumps fuel injector cleaner gloves