HEATER BLOWING COLD AIR

2001 GMC Sierra

Tiny

m.zeller

April, 6, 2010 AT 7:47 PM

Heater problem
2001 GMC Sierra V8 Two Wheel Drive Automatic 150, 00 miles

2001 gmc 150000 miles heater does not blow warm air. Blower moter working on all speeds. Engine tempature normal.

FOUND 6253 RELATED QUESTIONS

No Heat

37 ANSWERS
5 IMAGES

1 Answer

Tiny

BMRFIXIT

April, 6, 2010 AT 7:54 PM

Check heater hoses by the fire wall if both hot suspect blend door and or its actuator

If hoses not hot or one cool suspect heater core clogged

Please login or register to post a reply.

Replace Heater Core
Cabin Air Filter Replacement Chevrolet Tahoe