GMC Sierra 1500 information
Owner's reviews
What real owners think of the Sierra 1500. The good things and the bad ones
Owner's Manuals
Download the owner's manual of your GMC Sierra 1500
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 1500
Problems and issues
8 reports of problems and solutions from other car owners

Latest problems

Alternator does not engage lights pulsing low voltage have voltage inj
GMC Sierra 1500 2014 1500 5.3
Misfiring 4 & ,8
750 lbs fuel rail reading

Sluggish performance
GMC Sierra 1500 2003 1500 hd
No powers at take off. Drinking gas bad.

Heated Seats
GMC Sierra 1500 2011
Passenger and driver side lights will turn on when pressed but never heat or cool

Security system & abs , the worst thing ever
GMC Sierra 1500 2002
So the 02 sierra has a anti theft system that is total bs. If the truck is locked and u try to open it,it throws a security light that drains your battery until u disconnect the ground for 12hrs,relea… 

No start, 4.8L P0336
GMC Sierra 1500 2001
Installed a rebuilt crate engine due to a broken rod in the original engine. Old engine still ran with broken rod. Installed new engine and get code P0336. Truck will NOT run. New AC Delco cam and cra… 



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