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Registered
Join Date: Oct 2005
Location: Camarillo, CA
Posts: 9
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another a/c problem
I have a 95 933 and have a refrigerant leak. The other day when I switched from the heater to a/c I heard a hissing noise from behind the dash. I immediately suspected a refrigerant leak, which was confirmed when the a/c would not produce any cold air. Anyone have any suggestions where I should start to run this one down? Thanks for any help!
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10-11-2005, 08:05 PM
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Registered
Join Date: Feb 2001
Location: Viera FL
Posts: 5,642
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Expansion valve or evaporator core
AFJ
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Es geht nicht darum wie schnell man faehrt, sondern wie gut man schnell fahren kann. Ihr Brunnen der nutzlosen Porsche Information |
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10-12-2005, 05:48 AM
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Join Date: Oct 2005
Location: Camarillo, CA
Posts: 9
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What should I be looking for in the area of leak, will there be an oil residue?
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10-12-2005, 11:50 AM
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Join Date: Nov 2004
Location: Planet Earth
Posts: 4,868
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The hissing noise might have been one of the servos actuating. That’s not a big deal.
I think to find small AC leaks, they put a dye in the refrigerant. Sometimes it is UV sensitive. A black light is used to find the leak. For a good reference, go here: http://www.porsche964.co.uk/ Click on “Technical” then “electrical repairs and modifications” and then the last one: “964 heat and vento servos.” The 964 and 993 are very similar in this area.
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10-12-2005, 12:48 PM
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