My heater will only blow hot air wile it is in.

Tiny
ANONYMOUS
  • MEMBER
  • 2008 SUZUKI XL7
  • 70,000 MILES
My heater will only blow hot air wile it is in motion. WHen it is idle or a stop sign/light the air turns cold. The thermostat shows a normal reading. WHat could cause this
Wednesday, December 12th, 2012 AT 12:08 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the thermostat and the coolant level
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Wednesday, December 12th, 2012 AT 12:23 AM
Tiny
HOMER1967
  • MECHANIC
  • 875 POSTS
I would suspect a restriction in the heater core. Or low coolant
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Wednesday, December 12th, 2012 AT 12:23 AM

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