HEATER NOT ALWAYS BLOWING SAME TEMP WHILE RUNNING ON THE ROAD VERSAS IDLE

  • Tiny
  • Hunter3255
  • 2001 MERCEDES BENZ CL55
  • V8
  • 2WD
  • AUTOMATIC
  • 99,000 MILES

I have a cl500 mercedes 2001 and my heater blows hot on
the road but at idle it blows cooler air. Is this a head gasket problem or regulator or what air conditioning works great. Thank you
does not overheat runs great normal took on a long trip to montana from california noticed this in california when weather turned cool.

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Saturday, March 12th, 2011 AT 7:22 PM

1 Reply

  • Tiny
  • Rasmataz
  • MEMBER

Check the coolant level, thermostat and the air blend door/actuator

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Saturday, March 12th, 2011 AT 9:20 PM

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