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Member 911 Anonymous
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AC Thermostat Temperature Control 85 any Issues?
Hey Fellas,
I am in the need of replacing my AC Temperature Control Assembly on my 85. Question: 1. Is the new Capillary Tube pliable (flexible) and not brittle like the old OEM's? 2. Did the dial rotate properly with being stuck, I was told the replacement have issues with it not completely rotating to 10:00 position to the left 3. Does the new one come with the Brass Tube to insert into the Evaporator, if not is the part available or did you make one? I understand the superceded part needs to be modified to fit on the center console but I would like to know what to expect. over, Jim
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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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05-17-2011, 03:59 PM
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Registered
Join Date: Dec 2008
Location: San Antonio, Texas
Posts: 3,590
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If I was you I'd just upgrade to the Griffiths unit with the new fan control unit.
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1973 911S (since new) RS MFI specs 1991 C2 Turbo |
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05-17-2011, 04:50 PM
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Registered
Join Date: Mar 2007
Location: Monmouth County, NJ
Posts: 137
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I put a new one in (from our host) last year. It's bigger than the original. I ended up cutting out the bottom of the AC switch housing, under the thermo switch. You can also check out this Pelican tech article - Pelican Technical Article: A/C Temperature Switch Modification
The capillary tube is just as delicate as the original. Try not to bend it too sharply. The dial's travel is not the same with the new switch as the original. If I remember correctly I didn't get full travel until I cut out the switch housing. The one I got did not come with a new brass tube, but there was nothing wrong with mine, so no problem reusing the existing tube. I wish Griffiths made one of these so it would match the Griffiths varible fan speed unit next to it. Making the knobs match is down low on the punch list this year. (But having a varible speed fan is wonderful - I highly reccomend it).
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'87 Carrera, Granite Green, SW Chip, Dansk sport cat, Kuehl A/C |
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05-17-2011, 06:30 PM
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Registered
Join Date: Mar 2005
Location: Tucson
Posts: 914
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I searched in vain a few years ago to find a replacement that would fit without modifications. Went to multiple auto AC parts houses (there's quite a few in Tucson) and couldn't find anything close. In the end, I opened up the old switch and found that it was full of 25 years worth of dust & lint. So with liberal application of electrical contact cleaner I cleaned out all the crud and made sure all the contacts were clean, reinstalled and its worked fine ever since. You might want to give it a try.
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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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05-18-2011, 06:25 AM
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Marble Grey
