2004 GMC Sierra - Page 7 - Answered Questions & Fixed issues

if you ask a question about what your concerns are ,maybe we can help

most likely switch has gone bad its burnt on the high position

Blown fuse/ relay. check the fuses in the fuse panels. Remember when jump starting any vehicle from 1992 forward, to not hook the negative cable to the battery itself. hook it to a bolt or something on the frame inside the engine compartment. You probably have a bolt or rod sticking up close to te battery that says "ground here." or "place negative cable here" when jumping. Most people never pay attention to it because we were taught all of our lives to connect the negative cable to the battery so we dont look for it.

This sensor is at the center rear of block

The drivers side mix door actuator is bad.it is located in the center of the dash on the bottom of the heater case and bolts straight up.when installing a new one do not plug it in until you install it.If you do plug it in before it may over extend and your new one will be JUNK.

its usualt from lack of oil changes sometime in its life there are some sludge removers on the market. change it and run it and change it do not let it run with no psi tho

i think i would go with the new engine

Did you drain the oil? If the antifreeze leaked into the oil, the oil will be thick and milky looking. If the truck was running ok, I would suspect the intake manifold gasket is leaking coolant into the crankcase. If you have been having trouble with the engine running rough, then look for a bad head gasket of a cracked head.

Yes it can, and eventually lock up.

new brake light switch by the sound of it

Three things: Either the rear brakes are releasing, causing a clunk, try service and adjust rear brakes. If not, go to the drive shaft, check the u-joints and/or jack up the rear of the truck and rotate your tires by hand to see if there is a clunk in the rear end itself.

everything on the car wears out from age and use, just like your human body. may be under warranty, call a dealer and give them your VIN, could be free. otherwise call around to muffler shops and get prices. unless you are a good welder and have a lift on hand you are not going to do this yourself.

the check engine light on means there is a fault code and when it flashes it meand that it is a hard code or really important if you are in the us I beleve that auto zone will read the codes for you think it is even free but don't quote me

should be a 7.5 (3:73/GT4) the 14 bolt cover usually houses the 8.5. So, depending on the size of the cover, you should be able to make a determination of the size of the ring gear. Please rate my assistance and leave a testimonial. BTW just because Car-Part.com

Replace the door blend actuator behind glove box, approx $150 for part, Everyone I know with dual control on the silverado's have this problem.

I'm pretty sure the computer is calling for the 'limp home' mode and if it is, some potentially damaging circumstance is causing it. The chain auto parts stores will scan your computer free and this will give you a code (or more than one) revealing generally what the problem is.
Give the nearest one a call to confirm that they still do that free.

do you mean P0107?iagnostic Trouble Code (DTC) P0107 - BARO Sensor Low Voltage Detecte 08.12.2010 · Posted in Automotive Diagnostic Trouble Code (DTC): P0107 - BARO Sensor Low Voltage Detected Description: Sensor operating voltage is less than 5.0 volts (VREF), as a result it failed below the minimum allowable calibrated parameter. Possible Causes: Open in the circuit, or short to ground VREF

depending on if it is the seat bottom or the seat back as they are seperate systems if both dont work then you probably have a electrical problem with the module or the switch not the heaters them selves, if it is one of the heaters then you must remove the seat cushion and replace it or the seat back cushion the heaters are intergrated into the foam the seat cushion unbolts with two fifteen millimeter nuts just under the front of the seat and unclips from the rear as you pull up and forward the seat back cushion is much more involved and should be done by a pro

I sugtes chec the blower resisitor and voltage wires (underdhash).

burn clutch