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06-20-2006, 05:29 PM
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#1 |
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Member
Join Date: Mar 2005
Location: Sacramento California
Posts: 449
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Air Conditioning
Well my A/C finally went out. I converted from the R12 to the 134a about a year ago and all was well untill I tried it today. I am not to sure what is wrong but when it is on max the compressor is on.
At first I thought that it was low on freeon. I hooked up the guage and found that when the A/C is first turned on the low pressure side is right at 26. This is right were it is supposed to be, but after about two minutes the pressure increases to about 120 and the discharge line (high pressure side) gets extremley hot whereas the low pressure side is ambient temp. This extreme temp on the high pressure side causes the evaporator to get so hot that it heat the engine up. Im not to sure what is wrong but it sounds as if one of the lines is plugged up. Are there any A/C experts out there that can enligntning me. This is one thing I know nothing about. |
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06-20-2006, 07:28 PM
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#2 |
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3v's are slow
Join Date: Dec 2004
Location: Here and There
Posts: 17,152
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Re: Air Conditioning
Check:
..dryer ..filter in the low pressure line |
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06-21-2006, 06:16 AM
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#3 |
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The Kocky One
Join Date: Dec 2004
Location: Yeah, but those cutters won't bust any walnuts.â„¢
Posts: 1,948
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Re: Air Conditioning
Wait, you're saying this is the first time you've had to use a/c?
 Been using mine since April!
__________________
For Sale: Reproduction Window Stickers, 87+ Mustangs, Cobras, Lightnings, and HD F150! Richard White 93 Cobra Kocky will be back! 
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06-21-2006, 06:54 AM
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#4 | |
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3v's are slow
Join Date: Dec 2004
Location: Here and There
Posts: 17,152
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Re: Air Conditioning
Quote:
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06-21-2006, 07:01 AM
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#5 |
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5.0 Block/Walnut Cracker
Join Date: May 2005
Location: Working....
Posts: 2,409
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Re: Air Conditioning
Been using mine since Jan. 31st......
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06-21-2006, 01:40 PM
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#6 |
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Pr0j3ct P1mp T1t3, y0!
Join Date: Dec 2004
Location: Somewhere wondering why Crimson stole my avatar
Posts: 2,022
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Re: Air Conditioning
started using mine on the Dragon. that is only because i couldnt handle the wrath that would ensue if my passenger had to sweat on the trip up.
__________________
93 GT----225rwhp/287rwtq--------1/4 mile=  (but getting better)
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06-22-2006, 01:31 AM
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#7 | |
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Member
Join Date: Mar 2005
Location: Sacramento California
Posts: 449
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Re: Air Conditioning
Yes it is the first time the AC was used this year. The car for the most part sits in the garage. I baby it to hell and take it to a lot of shows. I perfer to have the windows down and listen to the engine and so forth.
It was 105° last weekend and I decided to try it and of coarse it did not work. Quote:
__________________
EEC Analyzer A9M, TwEECer, 306ci, 73mm C&L w Tuner Tube, Cobra Intake, 42# inj, Edelbrock 6037, E303 cam, 155 fuel pump, FPR, 70mm TB, E-Fan, 3.55 gears, Powerdyne 9psi actual 5psi...way more. |
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06-22-2006, 05:03 AM
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#8 |
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3v's are slow
Join Date: Dec 2004
Location: Here and There
Posts: 17,152
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Re: Air Conditioning
not that I know of Clint
__________________
2009 Porsche Carrera S 2008 ///AMG C63.. Eurocharge Tune. RIP  2019 AMG GLC43..wife's 03 F250 SD.. Edge Evo, AFE Stage 1 CAI 08 GT. JBA axle back, FRPP springs, FRPP swaybars.. daughter's 01 Cobra vert... wife's I need a new toy |
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06-22-2006, 10:21 AM
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#9 |
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Super Moderator
Join Date: Dec 2004
Posts: 6,313
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Re: Air Conditioning
My guess: the expansion/check valve is bad. It would build up pressure/heat like you mention. It might be built in tho, ie: not replacable by itself. Never worked on one, just know the theory.
__________________
" If you can't explain it simply, you don't understand it well enough. " - Albert Einstein |
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06-22-2006, 06:41 PM
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#10 | |
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Member
Join Date: Mar 2005
Location: Sacramento California
Posts: 449
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Re: Air Conditioning
Quote:
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Linear Mode
