GMC Sierra information
Owner's reviews
What real owners think of the Sierra. The good things and the bad ones
Owner's Manuals
Download the owner's manual of your GMC Sierra
Service and Repair Manuals
Service and repair manuals, diagrams and more
Useful guides
Oil change, timing belt, check engine light and more
Fuse box diagrams
Explore an interactive fuse box diagram of your GMC Sierra
Problems and issues
26 reports of problems and solutions from other car owners

Latest problems

Truck won't start
GMC Sierra 2001
My husband thinks it has to do with security light but it don't have an alarm or anything

No signal lights
GMC Sierra 1998 1500
Tried to update brake lights etc to led. Didn't work so put original bulbs back in. I have park lights & brake lights but no signal lights; front or back. Google says I need a flasher but can't fi… 

New battery dieing wile sitting a few days
GMC Sierra 2001 Sle 15000 extended cab
The battery I just got died well sitting a few days,also the cluster gages on the temp and gas doesn't work properly.the abs brake light was on and emergency brake light but the emergency brake was re… 

Shift to park
GMC Sierra 2020 Sierra 1500 Denali
Shift to park message continues to display when truck in park and turned off.

Windshield wipers
GMC Sierra 1996
The windshield wipers will only turn on if on the highest setting and have to time it to shut off otherwise they just stop in the middle of the windshield.



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