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#1
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A/C Compressor STOPS Working after heater/ac problems
A few months ago the problems started--
The A/C compressor would run normally when selected however, there was constant heat out of side and defrost vents and no cold air. After testing the vacuum actuators with the MightyVac I found two bad vacuum elements: 1. element for defroster outelt flaps(flaps "closed") and 2. element for fresh air/recirculating air flap(flap "open") After several months of not replacing the vacuum actuators, I tried the A/C compressor again and now it doesn't run at all. My question: will replacing the vacuum actuators fix the A/C compressor? |
#2
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Forgot to say: '91 190e 2.6
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#3
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No, but it will probably fix the constant heat problem as the heater valve on that car is vacuum actuated.
Brian
__________________
Mercedes Benz Master Tech ASE Master Technician Diagnostic Technician Owner of "Behind the Star Inc." Raleigh NC. www.behindthestar.com brian@behindthestar.com |
#4
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The flaps will have nothing to do with the compressor. You will have to treat these as two separate problems.
You need to first check to see if the a/c has an adequate charge. There is a low pressure switch that interrupts the compressor clutch circuit when the refrigerant is low. This protects the compressor from low refrigerant, low lubricant situation. Good luck, |
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