2007 GMC Sierra 1500 Questions

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I am taking a long trip. My mechanic says the next thing which will probably fail is my water pump. It is a 4.8L V8 in a quad cab pickup. I am not showing any leaking at 145,000 with original pump. Would it be pru...
And it reduces my engine power and I turn off truck for a little while and start it its all goes off but a little while after driving it comes back on and does the same. What could be causing it?
on my 2007 gmc sierra i have a problem with the driver side rear lights my brake light works fine my directionals work fine but my daytime running lights do not work my question is is there a seperate fuse for drivers...
When I turn the cruise on the light comes on on the steering wheel control but I am unable to set the cruise control. It will not kick in. What is involved to fix and a possible cost for the repair.
Was driving and truck coasted to a stop, check the codes and only get "lost communication with abs control module"
I have replaced the lifters on one side and now having to replace the other side. I was quoted a price which I feel is outrageous. I just want to know what the average cost is to replace all lifters
In the last 5 months we've had to replace.. Transmission, MAF, Crank Shaft Sensor, and the alternator. Now it is running rough, and the rpm's are irratical. Sometimes it will stall with no warning, sluggish most of th...
There is 14 volts to the vent solenoid plug with engine running, but when plugged in doesn't work. When I apply battery voltage to solenoid it works fine. Act like power supply from ECM has problem
I have a 2007 GMC Sierra Z71 4x4. When I start it up, warnings come up and say that Hood is open, service tire monitoring system, service 4 wheel drive. Also, I have no power windows, locks, turn signals, no high beam...
moving. A couple of times it would all of the sudden start pulling real good. When I first start it and take off it runs a whole lot better then it go's into snall mode ! I get terrible gas milage also. I had a 2006 5...
have good spark,fuel,150#compression.has set p300 and p101 codes.did swap out maf with known good one.