2004 GMC Sierra 2500 HD Questions

Unanswered 2004 GMC Sierra 2500 HD Questions

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Have lost all sound to speakers, gauges don't cycle till after starting truck, always says my drivers door is open, alarm goes off when I go to start it, doors won't unlock unless truck is running, have checked all wi...
Had truck at dealer and they replaced the ignition switch and the drivers door lock thinking this was triggering it to come on randomly but it still happens. Dealer has had it now for 2 weeks with nothing happening. T...
This is an intermitted problem. Usually it will start right back up but today it would not turn over. a jump helped but it turned over when the positive cable was disconnected.???? Is it possible to have a bad groun...
The front left brake is locking up to the point where smoke comes out with a burning/melting smell. Are there any recalls for this? What exactly is the problem happening? The sleeves have been cleaned and the hose rep...
another "knock". Like something is loose and grabbing. It does not occur when I shift into neutral while braking. Had the brakes checked; they are ok.
I replaced motor mounts, trans mounts, u-joints. This also occurs when i mash the gas pedal.
so i changed my front hub assembly and switched the other side becouse the sensor was damaged the brake lights went out but accelerated passed 80 and the lights came on again any suggestions
the fuel guage suddenly goes to full when i start it up and stops at 1/2 tank when i shut it off. i know the tank is only about 1/2 full how do i go about repairing it or replacing it?? i know about the recall but i ...
The airflow direction will not change when I turn the mode knob.