Question about 1991 GMC Sierra
DL the opertators guide.
its free for allcars.
google it. " 2002 GMC Sierra 1500 operators guide"
that trick works for all cars made,no need to guess.
if your is lost. RTM
Posted on Oct 16, 2013
There are usually 2 small buttons somewhere on the front of the radio that set the clock. One button is for minutes and the other is for hours. Simply press the appropriate button and hold it in and watch the clock. It will start changing slowly then speed up. As you get close the the correct time release the button and start again for a slower advance. When the correct time is displayed release the button. Usually the radio has to be on at the time and there will be a beep when the clock starts to advance.
Posted on Oct 25, 2013
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Posted on Jan 02, 2017
SOURCE: 2002 GMC Sierra 1500 rear brakes
The first problem that I see is.....
You got screwed, the rear brake shoes and the parking brake shoes and the same thing. The parking brake uses your back brake pads to set the brake.
Posted on Oct 24, 2008
Defrost is the default position. Is the control a autyomatic temperture control unit? ( you set the temp and select automatic) if it is the system is completely electronic. You push the buttons and the control still says defrost or can you select something else and the control shows it but it just keeps coming out the defrost? If the control changes and the air comes out the defrost anyway and the cheack engine light isn't on, then the problem can be blown fuses or an air door actoater not working. Does the dash emit a clicking sound? if it does with the covers off the bottom of the dash reach around touching the different pieces till you touch the idem that is clicking. this is an acutor motor, or blend door motor. they have gears in them that wear out and break the motors aren't repairable and you just replace the ofending motor. the door that is moves can be stuck. and may have to be freed up with blaster, WD40, or other rust buster till it moves easy. maybe after getting the door to move smoothly you can get the old motor to move the door wiithout having to install a new one.
Posted on Jan 06, 2010
Check coolant level. Check for heat at the heater hose going from water pump to heater core at firewall. Check to see that cable is moving coolant control valve from the closed to open position. Low mileage so it shouldn't be plugged heater core.
Posted on Jan 07, 2010
Testimonial: "You were absolutely correct. Low coolant level. Put in some 50/50 and we're nice and toasty now, but need to find out why coolant was so low. Thanks."
have it tested using a manual gage if still low then main baring ore most likely bad that would mean a over hall if is really low and bearings bad should be making rattle noise when started up first few seconds
Posted on Mar 11, 2010
Testimonial: "thanks alot.truck is not making a rattling noise.we did check it with a manual gauge.it read about 10 at idol. press. gets better as you incr speed"
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