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Registered
Join Date: Apr 2009
Posts: 1
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1986 911 AC problem
I just took out my car from storage and tried to turn on my AC but, when I turn the knob on the lower console it doesn't do anything.
Any solutions? Relay.... Fuse....???? |
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04-10-2009, 08:03 AM
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Join Date: Aug 2005
Location: NJ
Posts: 202
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Here is the solution: By a 993 like I did.
Kidding aside - It could be anything but in my 87 when that would happen the fuse and relay were fine. I would leave the switch in the on position and give the motor in the smugglers box a whack and presto it would kick on. Regardless, the AC still S***ed!~ Good-Luck!
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87 911 97 993 prior p-cars: 76 912E 85 targa |
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04-10-2009, 08:14 AM
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Join Date: Jan 2004
Location: Pittsford, NY
Posts: 3,702
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Do you mean there is no cold air or there is no fan blowing at all?
If it is no cold air....well join the club. The compressors have a leaky reputation. Look on the underside of your engine lid above where the compressor is. If you see a black oily line, that is a good indication the system leaks. Consider that the compressor was never that good to begin with and that the drier and hoses are 23 years old. If you really need air, you might search here for air conditioning upgrades. If you need to check the fuses, just use the legend on the fuse box to check which one is for a/c. Might just need a cleaning of the contacts, which should be done every spring anyway.
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Tony G 2000 Boxster S |
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04-10-2009, 08:18 AM
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Join Date: Mar 2005
Location: Tucson
Posts: 914
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Yup could be the fuse or the relay. It could also be the bimetal switch under the passenger floorboard.
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1986 Carrera Coupe 1999 Chevy Tahoe 1987 Chevy Blazer 1955 Chevy Apache 3100 Pickup "A little knowledge is a dangerous thing" |
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04-10-2009, 08:19 AM
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Join Date: Jan 2009
Location: Norcross, GA
Posts: 627
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Did you check the back of the fan control switch that turns it on?
Mine was burnt up - I replaced it and now I have A/C 
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'85 RoW 911 Coupe '65 356 SC '72 BMW 2002Tii '10 Cayenne '20 Ram Longhorn |
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04-10-2009, 09:14 AM
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Member 911 Anonymous
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I'd say fuse, if no power to the fan control.
Mine was loose and when I turned it on the fuse blew. Replaced and all good.
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'85 Carrera Targa Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace PCA/POC |
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04-10-2009, 03:00 PM
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Marble Grey
