My heater is only warm at 50mph or more.

Tiny
ANONYMOUS
  • 2003 MAZDA TRIBUTE
  • 180,000 MILES

My heater is only warm at 50mph or more otherwise it blow cold air. The gauge show normal operating temperature. When it's under 50mph or idling nothing but cold air comes through the vents. Why? How can I repair it?

Sunday, November 4th, 2012 AT 3:12 AM

2 Replies

Tiny
ASEMASTER6371
  • EXPERT
  • 25,526 POSTS

The heater core may be clogged
Roy

Was this
answer
helpful?
Yes
No
Please consider a donation if we helped you
Sunday, November 4th, 2012 AT 3:15 AM
Tiny
PYASGER2
  • MEMBER

Thermostat should be checked

Was this
answer
helpful?
Yes
No
Sunday, November 4th, 2012 AT 3:24 AM

Please login or register to post a reply.

Related Heater No Heat Questions

Recommended articles