North American Turbocoupe Organization



Blah, AC service
Huffin Offline
Junior Member
#1
I dumped a few cans of drop in refrigerent in my TC and it worked fantastic for 3 days. Now the compressor is kicking on and off a lot and it's not very cool anymore. I think I have a leak somewhere.

I guess I will just change all the O rings, and the accumulator, this time. Are the O-rings the most common place to leak or is there some other common A/C gremlin on these cars?

I thought about buying a vacuum pump, and came across this one.
http://www.harborfreight.com/cpi/ctaf/Di...umber=3952

$14? Is that legit? Could something like that actually work? forteen bucks? This thing has to be a piece of shit! I think I may try it anyhow just to be sure that it is in fact, crap.
88 TC, Auto Sad
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SPG1 Offline
Junior Member
#2
Quote:Originally posted by Huffin:
I dumped a few cans of drop in refrigerent in my TC and it worked fantastic for 3 days. Now the compressor is kicking on and off a lot and it's not very cool anymore. I think I have a leak somewhere.

I guess I will just change all the O rings, and the accumulator, this time. Are the O-rings the most common place to leak or is there some other common A/C gremlin on these cars?

I thought about buying a vacuum pump, and came across this one.
http://www.harborfreight.com/cpi/ctaf/Di...umber=3952

$14? Is that legit? Could something like that actually work? forteen bucks? This thing has to be a piece of shit! I think I may try it anyhow just to be sure that it is in fact, crap.

Harbor Frieght is a good source for stuff like that for the weekend warrior. I buy 'crap' from there all the time. "It is what it is" so to speak. I imagine it will do the trick for ya though.
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Turboy Offline
Member
#3
Yes - the spring lock couplings and O rings are the most likely place you will get a leak from.....but the hoses are suspects to. Replace the springs on the couplings when you do the O rings - 1 less thing to worry about and they are relatively cheap. Look for an accumulation of oil and dirt on the hoses or couplings. This might help to nail down where the leak(s) is/are. That Harbor Freight vacuum pump "might" work but it needs compressed air to run and I don't know how deep it will pull. Really best to go to 28". If you are replacing the accumulator, don't forget to ask for the right one according to your refrigerant...
1988 TC 5 spd K & N, Bleeder. Next up - 3" downpipe to 2.5" duals
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Jeff K Offline
Administrator
#4
Those asparator vac pumps actually work fairly well, but, as mentioned above, require a fairly high CFM of 100 psi or so air to operate. If you have a 5 HP or so air compressor, that pump will get the job done.

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Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 20 psi, forced air intercooler, water injection, bypass valve, Ranger roller cam, subframes, etc., etc.. // 86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP nitrous, ignition, gears, suspension, etc., etc.... // 91 Escort: Bone stock winter car // 02 Taurus Vulcan(wifes car)
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
11 Crown Vic Interceptor
14 Toyota Camry (wifes car)
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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