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#16
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Thanks for the tip on the sensor. Yes, we conducted the test in the shop. I'm not an AC expert so that is why I had my mechanic perform the procedure.
I'm starting to wonder if my compressor is not functioning properly. It has plenty of charge but the line ( we had gauges on it) going to the firewall isn't cool. The odd part of it is I thought my compressor would be very noisy if it was bad. Possibly not... |
#17
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Could be the reed valves. What did the gauges read? Should be ~30psi on the low side and ~150-250 on the high side at idle. (Actual readings will vary with ambient temperature, etc...) if you have like 60-80 psi on both sides of the compressor with the compressor running, your compressor is toast, assuming there is a full charge of refrigerant in the system. I've seen them have just enough in the system to keep the low pressure cutoff switch closed, but not enough for the compressor to circulate.
Would help a lot if you posted gauge readings :-) I have a nifty chart that shows you what the different gauge readings mean.
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1992 SVX LS-L #1222 Pearl White 1987 GL Turbo wagon, 5 lug conversion, D/R 5 speed (Rice killer) 1992 Dodge Ram 4x4 diesel (car hauler) 1968 Dodge Polara convertible (Camaro killer) 1990 Toyota Corolla FWD auto (330,000 mile grocery getter) 1986 VW Jetta |
#18
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hmm, interesting.....
i hav a 94 too and the A/c blows hot air.....i think i have a leak somewhere but idk where it could be.....does anyone have any ideas on where to look and how to fix it w/o going to a shop ?$$$$ |
#19
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O rings would probably be a good place to start...
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#20
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It's probably low on refrigerant, it does slowly leak out over time, an evac and recharge is like $100-$150. AC problems aren't all that easy to troubleshoot without a set of manifold gauges.
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1992 SVX LS-L #1222 Pearl White 1987 GL Turbo wagon, 5 lug conversion, D/R 5 speed (Rice killer) 1992 Dodge Ram 4x4 diesel (car hauler) 1968 Dodge Polara convertible (Camaro killer) 1990 Toyota Corolla FWD auto (330,000 mile grocery getter) 1986 VW Jetta |
#21
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well i had it evaced adn rechached last summer and it worked just fine
it worked in the winter too but now its just blowin hot air its about 100 now n days, and i get hot fast i tried lettin the car run with a/c on and windows cracked a lil bfore i got in but it was hot as a mofo! |
#22
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See if it gets cold when you are driving, if it's hot out, it won't cool as well with the car just sitting, although it shouldn't all leak out in a year. Look carefully at all your AC lines, there will be an oil stain/dirt accumulation around a leak, due to the oil that's in the refrigerant. Pay close attention to all the unions/fittings, could be a bad O-Ring, I've also seen a few cars with rocks in the condenser, that could be it as well.
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1992 SVX LS-L #1222 Pearl White 1987 GL Turbo wagon, 5 lug conversion, D/R 5 speed (Rice killer) 1992 Dodge Ram 4x4 diesel (car hauler) 1968 Dodge Polara convertible (Camaro killer) 1990 Toyota Corolla FWD auto (330,000 mile grocery getter) 1986 VW Jetta |
#23
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ok i'll look at it and see what i can see
i tried drivin around yesturday with the ac on and it just kept blowin hot air....i think im outta freon:'( |
#24
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Re: Air Conditioning blows hot air
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I have done the internal self test, and it appears to all come up normal. I don't know if I'm just out of juice, or toasted the Compressor last week when the belt went out, {not using the air when it happened}.
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The Worm _______________ June '91 Claret LSL #1733, Enkei RS-5's x 16", Original Paint, accompanied by Beautifully speckeled Front Bumper, Sony Audio Components, Small Car Shift Kit, "How to" Hood Lifts {Perfect}, "15 Minute Suspension Mod" Motorsport Floor Mats. Perma-Cool External T. Filter, New Front Axels {1/2008}. "Classic Radiators" unit "$36 coil alternative" and Tranny rebuild at 287k 8/2012 '05 Infinity G35 Coupe. No Mods, 33K Miles |
#25
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Re: Air Conditioning blows hot air
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Keith |
#26
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Re: Air Conditioning blows hot air
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Mine turned out to be completely empty of Freon, and it took about 5 seconds of refilling to get it to engage. I was not aware that the compressor would not kick in without pressure.
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The Worm _______________ June '91 Claret LSL #1733, Enkei RS-5's x 16", Original Paint, accompanied by Beautifully speckeled Front Bumper, Sony Audio Components, Small Car Shift Kit, "How to" Hood Lifts {Perfect}, "15 Minute Suspension Mod" Motorsport Floor Mats. Perma-Cool External T. Filter, New Front Axels {1/2008}. "Classic Radiators" unit "$36 coil alternative" and Tranny rebuild at 287k 8/2012 '05 Infinity G35 Coupe. No Mods, 33K Miles |
#27
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Re: Air Conditioning blows hot air
Air is fixed... Turned out to be a bad schrader valve. Replaced and re-filled and all is well. Now, on to replacing the left rear wheel bearing!
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#28
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Re: Air Conditioning blows hot air
Quote:
Keith |
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