Heater only works while driving

Tiny
BIGWOOD
  • MEMBER
  • 2005 BMW X3
  • 2.5L
  • 96,000 MILES
My heater will only blow hot air when I am driving and have my foot on the gas pedal.
Saturday, January 2nd, 2016 AT 3:03 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Make sure the coolant level is correct. If it is then it sounds like your heater core is partially blocked with debris. You can flush it out by removing the hoses and using a garden hose to flush in both directions.

Roy
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Sunday, January 3rd, 2016 AT 8:48 AM

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