GMC Sierra 1500 Questions

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Have replaced actuator on transfer case, front axle actuator, and the switch on the dash. The front axle breather was against the plug under the hood. Cleaned the grease off and everything worked and went off. Now it ...
The selector switch for my 4WD is now stuck in 4WD Low . I have tried moving it to no avail . The Chiltons manual does not cover this . I have had this truck for 3 years and not had a problem with it until today when ...
I have never had a problem with this truck.Went to the store the other day and when leaving the truck would not start.checked fuel pump and fuel relay.both are in working order.not getting fire to plugs.all the fuses ...
The engine temperature gauge is normal when idling, if you let it sit long enough, but drops while moving. The heater blows warm air only while idling. I'm not getting any diagnostic codes for this issue. I've had ...
po121 code and i have rechared tha air filter and replaced the throdlle pedal and i clerd the code but it comes on and go out and on for a cuple days now? also i took the throdle body apart and it was clean. what in t...
My 99 gmc sierra stalled out and if u can get it to start you cant give it ne gas or it stalls. I used to b able to hear the pump whinning now i dont. in order to purchase another i need to know if the pump has one pl...
was told I need a transmission overhall. It slips in and out of second gear. It is not leaking fluid
it was hooked to the diagnostic box and it said it was the body control module but it checked out ok so they said it could be in the fuse link to it but i can not locate it .
The gear display on my late 1999 (same style as 2000) GMC Sierra is inop. If I replace the instrument cluster do I need to reset the mileage to the true value and if so how?
I was in drive when I came up to a yield sign where I had to stop because of so much traffic... Once I tried to accelerate, nothing happened but I could still switch my shifter into any gear (supposedly what my dash s...
Had truck scaned will not engage code came up ( not sure on code number think it was 323 or 363 not sure). Replaced encoder motor,4wd control module,tranfer case, dash switch, tested wiring harrness,actuator motor,all...
removed glove box can see the door trying to move and here a hummin noise that ia in side of the housing under the passanger side floor and my ac compressor run any time the fan is turned on even if the ac light is off
I have checked and changed all the bulbs. My truck has the three bulb tailight housing. I do have stop lights, signal lights and back up lights ok. The license plate lights are also out. Would changing the daytime r...
engine light came on went to dealer and they diagnosis'd a gas tank pressure sensor as issue. The engine light has gone on and off with various fill ups but is now on all the time. Was hoping to save some money. Bu...
have replace the following parts already, serp-belt, belt tensioner assy, idler pully, and alternator and it still makes alot of squeaking noise when on higher rpm, more so when the AC is on. what could be a possible...
I did a tune up and all was well. Shortly after I developed a random misfire. New plugs wires, fuel filter. It is a coil over system so its not there. The only thing I can find is the fuel pressure is low. Around 48 p...
it flashed at around 75mph. i changed the rotor button and the distributor cap. now it only does it at around 85 mph
abs light and brake light came on , had brake fluid replaced and new brake pads and rotors resurface and calipers greased in other words a complete brake job
Is it difficult to replace the ac bearing on my ac compressor. I usually fix 99% of problems myself so i am mechinicaly inclined?
also ABS & park brake lights on. Problem occurs while driving. Will reset when I turn key off and start the engine back up and thens comes back on 5 to 10 miles later
just had the check engine light come on and the code was PO449
They both come on together once in a while.If I turn egnition off and back on they go away for a week or so?
I can feel it in the steering wheel. Most noticable when cornering at low speed. What is it?
when stopping it makes a grinding sound when it gets to about 15 to 10 mph
about what would the cost to fix a leak in the dash on my 2004 GMC Sierra 1500 and about how long would it take.
we check under the hood and no leak, where and what would be the cost.