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#1
09-28-2008, 09:43 PM
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A/C Compressor won't disengage
The A/C compressor on my 1995 E300D won't disengage--runs all the time no matter which climate control setting is used. Is this the compressor clutch failing, or a switch, or even the heater control valve causing this?
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#3
09-28-2008, 10:03 PM
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Quote:
__________________
Jimmy L. '05 Acura TL 6MT  2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China"  Scar engine installed'81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John
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#4
09-28-2008, 10:07 PM
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Have you tried to reach the compressor connector on a 606??? I'd start with something simpler like the Klima relay or low pressure switch. It's likely a bad PBU sending a constant signal to the low pressure switch, unless a 95 is that different from a 92.
Sixto 87 300D
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#5
09-29-2008, 05:06 PM
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what is a "PBU"?
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#7
09-30-2008, 10:55 AM
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Now the compressor won't engage..
Any thoughts?
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#8
09-30-2008, 02:31 PM
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First off, what did you do, if anything?
__________________
RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 99 W210 E300 Turbo Diesel, chipped, DPF/Converter Delete. Still needs EGR Delete, 232K 90 Dodge D250 5.9 Cummins/5 speed. 400K Gone and still missed...1982 w123 300D, 1991 w124 300D
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#9
09-30-2008, 03:49 PM
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After it wouldn't disengage I unplugged the heater valve wire to see if that would have an effect, then reattached the wire. That's it.
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#10
09-30-2008, 11:23 PM
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Check the fuses. Don't just eyeball the fuses, remove each one and make sure the metal strip is intact. If they haven't been replaced in the last 10 years, replace them all. ACC blower fan might have a separate strip fuse in a small plastic box outside the main fuse box. It'll have a 30A fuse that looks just like the 80A fuse in the glow plug relay.
Sixto 87 300D
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