Consumer Review Video - 2015 GMC Sierra 2500 HD 6.0L V8 FlexFuel Extended Cab Pickup

Common problems and easy repairs on a 2015 Sierra 2500 HD

The 2015 GMC Sierra 2500 HD is a difficult truck to maintain. The engine air filter housing will need to be removed to access the headlights, which won’t allow for reliable bulb changes. Changing the air filter itself may be a problem, as its housing is secured by multiple torx bolts and is cramped into the engine bay’s corner. The battery will also prove difficult to access, as its bracket is located deep in the engine bay and its sway bar may prove cumbersome to remove.

However, the 2015 GMC Sierra 2500 HD has its upsides. The fog lights are accessible by simply reaching behind the front bumper, allowing for reliable changes when necessary. The transmission fluid dipstick is quick to find, easy to remove, and simple to read. Replenishing the brake fluid reservoir won’t be a problem, either, as it has very open access to both its cap and level markers.

Author

Hans Angermeier has produced over 100,000 videos showing drivers how to fix things on their cars. He has broad expertise on basic repair procedures covering the majority of cars on the road.

Change an engine fuse

If you have an electrical component that doesn't work, try replacing the fuse first

2015 GMC Sierra 2500 HD 6.0L V8 FlexFuel Extended Cab Pickup

Check your brake fluid

Stop! Checking your brake fluid from time to time is a great way to ensure safe stopping

2015 GMC Sierra 2500 HD 6.0L V8 FlexFuel Extended Cab Pickup

Change the parking light

Small bulbs that burn out regularly - did you know you can replace these with LED lights?

2015 GMC Sierra 2500 HD 6.0L V8 FlexFuel Extended Cab Pickup

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