1999 GMC Sierra 2500 Questions

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Every now and then when I slow down at a stop light, the engine stalls. I can no longer trust that this truck can get me from point a to point b without stalling. Any ideas would be appreciated. If it's a short or loo...
my transfer case was not going into gears right with my 4x4 gm sierra 2500 1999 model. i refilled it with the transfer oil. but i am hearing a whistle noise, it is shifting now and not jumping like the emergency brake...
how can you check to see if the transfer case for my 4x4 needs fluid
I replaced all the brake lines with Cunifer then bled them at the wheels. The one that goes from the control box (under cab) to rear wheels is leaking. It is screwed in fully and tight but when pressure is applied flu...
replaced fuel pump and fuel filter truck still no start, thanks for any advise !
I have 1990 GMC sierra 2500. i need to find out if it has abs brakes for axle replacement.