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1999 Mercedes Benz ML430 air condition

Tiny
KRIKOR
  • MEMBER
  • 1999 MERCEDES BENZ ML430
  • V8
  • AWD
  • AUTOMATIC
  • 140,000 MILES
I left the switch on the air circulating on while I turned on the heater now the aircondition does not blow cold air.
Wednesday, October 14th, 2009 AT 7:44 PM

4 Replies

Tiny
BIG_JAY
  • MECHANIC
  • 121 POSTS
The recirculate switch will not have anything to do with if it blows hot or cold. It is just resh air compared to recycled air. You may have a sticking blend door if the car was lowing cold before and not now. Can you hear the compressor turn on when u turn the a/c on?
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Wednesday, October 14th, 2009 AT 7:49 PM
Tiny
KRIKOR
  • MEMBER
  • 3 POSTS
No I use to when I press the air button just the light comes on
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Wednesday, October 14th, 2009 AT 7:52 PM
Tiny
BIG_JAY
  • MECHANIC
  • 121 POSTS
If you dont hear the compressor turning on then you may have a mre serious problem. I dont know if you really want to start charging your benz but that is gong to be the ext step. I need to know some readings when u hook up guages to the truck.
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Wednesday, October 14th, 2009 AT 8:04 PM
Tiny
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  • 3 POSTS
Ok I will let you know
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Thursday, October 15th, 2009 AT 4:53 PM

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