GMC SIERRA HEATER

How Do I Replace The Heater Core On My Pickup?

I Turn On My Truck And There Is A Clicking For 30 Seconds From Under My Pasanger Side Dash. Then It Does It When I Turn The Truck Off What...

Heater Does Not Turn Off.

I Can Have Heat If I Start Truck With Remote In Neutral And Don't Use Brakes?

I Have A 5.3 Liter Engine On A 2001 Sierra 4wd. If I Run The Heater At High For More Than A Minute, It Will Not Turn Off. I Am Able To...

My Heater Works But It Dosent Blow Any Heat Out On Any Setting Or Speed

My Son (mistake #1) Was Driving My Truck And The Plastic Fitting For The Heater Inlet On The Driver's Side Broke Off Flush With The End Of...

Truck A/c System Will Blow Cold Air Sometimes Usually For About 20 Mins. Then Will Start Blowing Hot If You Cut The A/c Off For About 20...

Where Is The Heater Relay Located

This Truck Is Old But Everything Is In Great Shape, Classic 4wd! Last Week I Had The 4wd, Heater, Vss (code) Al Go Off At Once, Possible...