GMC Vandura 3500 Questions

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The speedometer sensor on my 1995 G3500 gmc was changed and the speedometer and brake lights worked fine for 2 days. Neither the speedometer nor the brake lights are working now. Is there a reason for these to break d...
Noise disappears when I slightly depress the brake pedal. I have replaced the pads, calipers, master cylinder last month. The noise persists. Not the rears. I have pulled the wheel assembly to check the bearings and ...
It just started. The engine is running fine. I got the fuel where I normally do. I added some fuel additive that is suppose to help. I also disconnected the battery for a hour to see if it would reset, but it did...
It says hydramatic on the side and has electric pigtail on sde
i have a 1994 vandera 3500 6.5 diesel and there is no dash lights or glow plug lights the gauges tern signals arnt working it terns over but wont start iv checked the fuses and changed the glow plug controller i ...
i have no heat. I replaced the heater control valve in front of the heater core outlets (wich I flushed) she comes up to operating temp just fine. Should have good heat but nothing. Is it possibly something in the he...
When I start my truck in the morning it will not shift out of low gear. when it gets to 170 degrees I can shut the truck off and turn it back on and it will shift normally. But if I do not shut the truck off it will n...
he can't find a wiring diagram and needs to know how to fix the horn.
Just stop working after it over heated
It appears that there are adjustments on the heater hose under the hood. How do you adjust to get heat?
it starts runs for about 15 seconds then the injectors spray only intermittently causing the stall. if we try to start it again it won't unless we cycle the key. we do not have a fuel pressure gauge but the recent wor...
It a passenger truck with no reverse. It runs forward ok but I want to replace the transmission instead of rebuilding it. Thanks.
my transmission shift sometime rough and other time it will not get out of second gear.
please help ,i try a lot of mechanics, i don't what to give up !!!!!!
Has new plugs, wires, distributor cap, ignition coil and rotor button.
hard time excelerating, wants to stop running when going from park to drive or reverse. problem just started yesterday. changed the fuel filter but made difference
has problem excelerating just started running rea rough engine wants to stop running when coming to stop. changed the fuel filter but made no change. when going from park to drive it wants to stop running
when i goin the the hiway and is an slope , the speed go down drasticly from 65 to 35 mph., lus power..
i have a 1994 gmc vandura 3500 with a 5.7 engine i want to know what kind of trans mission it carries .
I just replaced the fuel filter, EGR valve, PCV valve, and Engine Coolant Sensor. There is a very loud suction sound coming from carburator (Fuel Injected). Engine starts, idles for a few seconds then quits. What coul...
transmision will shift fine except into drive stays in secound I believe that it is the speed sensor
I replaced a fuel pump in my 1995 Gmc Vandura and it still acts like it gets no gas but it will crank with starter fluid but wont stay on is there a reset button or what should i do thanks