What kind of engine makes a droning noise? A droning noise (not the engine or road ) increases in pitch with speed only. Not in Continue Reading
When to replace spark plug and ignition coil?
When to replace spark plug and ignition coil? Replacement of the corresponding spark plug and boot/wire is recommended if the ignition coil must be replaced Continue Reading
Why is my air flow sensor not working?
Why is my air flow sensor not working? Possible causes for this code are: Faulty sensor. Broken wires at the sensor connector. Tug on each Continue Reading
What does AT4 stand for on GMC?
What does AT4 stand for on GMC? Definition. AT4. Angiotensin II Type-4 (gene) When did the GMC Sierra have the most problems? The model years Continue Reading
What do you need to know about engine wiring harness?
What do you need to know about engine wiring harness? By Lisa. July 16, 2019. An engine wiring harness is a group of wires that Continue Reading
What to do if your Yukon Denali Radio is not working?
What to do if your Yukon Denali Radio is not working? I have a 1999 yukon denali with RPO code Y91… I completely removed it Continue Reading
Are there any problems with the Duramax engine?
Are there any problems with the Duramax engine? The failure is most common in higher horsepower engines, but can still occur in moderately modified and Continue Reading
Where are the casting numbers on Chevy cylinder heads?
Where are the casting numbers on Chevy cylinder heads? With more than double the amount of production, this makes the small-block Chevy cylinder heads the Continue Reading
Where can I find a 1996 Chevy Blazer for sale?
Where can I find a 1996 Chevy Blazer for sale? Find the best used 1996 Chevrolet Blazer near you. Every used car for sale comes Continue Reading
What happens to the speedometer on a Chevy Silverado?
What happens to the speedometer on a Chevy Silverado? Has the speedometer on your Chevy Silverado stopped telling you your actual speed? Does it get Continue Reading
How long does it take for a water heater to blow hot air?
How long does it take for a water heater to blow hot air? Heater blows hot for 10 minutes, then it blows cold. chry… Q: Continue Reading
What happens when a wheel hub assembly goes bad?
What happens when a wheel hub assembly goes bad? Typically when a wheel hub assembly goes bad it’s actually the wheel bearing inside the single Continue Reading
How to test the throttle position sensor on a GM vehicle?
How to test the throttle position sensor on a GM vehicle? P0123: Throttle Position Sensor Circuit High Voltage. Really bad gas mileage. Transmission does not Continue Reading
What happens when all the dash lights come on?
What happens when all the dash lights come on? When driving, occasionally all the dash lights will come on, but the gauges like gas, battery, Continue Reading
Why does my power seat not go back or forward?
Why does my power seat not go back or forward? Re: MY DRIVERS SIDE POWER SEAT WONT GO BACK OR FORWARD… Check under the seat Continue Reading
Are there any free GMC Sierra repair manuals?
Are there any free GMC Sierra repair manuals? Every Manual available online – found by our community and shared for FREE. Enjoy! General Motor Corporation Continue Reading
Why does my Cummins engine make clicking noises?
Why does my Cummins engine make clicking noises? If the voltmeter doesn’t show any voltage it means that the relay is not working. This could Continue Reading