2001 GMC Sierra heater blowing cold air

Tiny
M.ZELLER
  • MEMBER
  • 2001 GMC SIERRA
  • V8
  • 2WD
  • AUTOMATIC
  • 15,000 MILES
2001 gmc 150000 miles heater does not blow warm air. Blower moter working on all speeds. Engine tempature normal.
Do you
have the same problem?
Yes
No
Tuesday, April 6th, 2010 AT 7:47 PM

1 Reply

Tiny
BMRFIXIT
  • EXPERT
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
Was this
answer
helpful?
Yes
No
Tuesday, April 6th, 2010 AT 7:54 PM

Please login or register to post a reply.

Recommended Guides