Why doesn't my 2006 GMC sierra shift into 4 wheel low

Why doesn't my 2006 GMC sierra shift into 4 wheel low 1 Answer

my 2007 gmc sierra wont shift into third gearf 1 Answer

My 4wd 2007 gmc sierra won't shift into third gear what can I do?

2002 GMC Sierra. My horn doesn't work when I push on the top of the wheel. Why 1 Answer

2002 GMC Sierra, when I press the horn at top of steering wheel, nothing happens. The horn honks when the center of the wheel is pressed solidly. Please tell me what is going on, and how can I fi...

why won't my 4x4 go into 4 wheel? 1 Answer

my 99 gmc Sierra 4x4 is not engaging it shows it to be in 4x4 but clicks the whole time thinking it may be smarter to look inside then replace the whole thing.

1991 GMC Sierra 4x4. Doesnt want to lock into 4 wheel drive??? 1 Answer

I put a new axle in the front of my truck today and the 4 wheels drive worked. Tried it again a few hours later and cant get it to lock in? Anyone got any solutions to this problem???? Anything will h...