CHEVROLET AVALANCHE HEATER

They Ac Was Working Just Fine I. I Made A Stop At A Store And When I Started The Car Again The Ac Was Making A Loud Rumbling Noise Like It...

My Heater Switch Will Only Work On 3, 4, 5 The 1, 2 Will Not Work Could You Tell Me Whats Wrong. Please Thank You

Heater Problem 2004 Chevy Avalanche V8 Four Wheel Drive Automatic How Can I Get A Ring Out Of The Heater Vents That Fell Down Through...