E-Class (W124) 1984-1995: E 260, E 300, E 320, E 420, E 500 (Includes CE, T, TD models)

1993 400e climate control problem

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Old May 1, 2011 | 01:45 PM
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eritch07's Avatar
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1993 400e climate control problem

My system only works in defrost mode for the first 10 mins of starting car then shuts off and blows hot air through the deforst vents at windshield.... even when system buttoms are off it still blows hot air.... recirculation red lighten starts flashen when systen shuts off! AC system lines have no pressure left in them and you cant hear compressor kick on!
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Old May 11, 2011 | 02:16 AM
  #2  
akuma4me's Avatar
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From: Los Angeles, USA
1994 E36, 1995 E36, 1996 C36, 1999 CL500, 2015 GL 63
Change the relay, I just wen thru that. U can get one at the wrecking yard. Just ask for the AC Relay
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Old May 18, 2011 | 07:46 PM
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gogi's Avatar
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From: mount laurel Nj
1982 380sec
ac

unless you give the ac a full charge of refrigerant, the low system pressure sensor will not allow the compressor clutch to engage.
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