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by Dougflas
Mon Sep 07, 2020 4:34 am
Forum: Automotive Air Conditioning Forum
Topic: toyota corolla ac not cooling
Replies: 16
Views: 6315

Re: toyota corolla ac not cooling

<<this car was originally r 22 so only has low pressure valve. the low pressure psi was 28 psi. the ac shop that that was good low side pressure as according to ac shop low side pressure is good between 30 and 45 psi.>> I think you meant R12 not R22. As mentioned, you need a real AC shop.
by Dougflas
Sat Sep 05, 2020 11:32 am
Forum: Automotive Air Conditioning Forum
Topic: 2002 Pontiac Ram Air Trans Am ac is not cooling properly
Replies: 81
Views: 11012

Re: 2002 Pontiac Ram Air Trans Am ac is not cooling properly

That machine you posted does not reclaim. It is only for recovery. You would have to use new refrigerant if you used that machine. And as mentioned, it does not separate refrigerant from oil.
by Dougflas
Sun Aug 23, 2020 3:25 pm
Forum: Automotive Air Conditioning Forum
Topic: Help me diagnose my AC
Replies: 28
Views: 3891

Re: Help me diagnose my AC

brielly wrote:I'm going to replace the condenser and see what happens. It's pretty easy to do and not too expensive. Thanks!



Why not try getting a condenser from Tim?
by Dougflas
Sun Aug 23, 2020 9:39 am
Forum: Automotive Air Conditioning Forum
Topic: Help me diagnose my AC
Replies: 28
Views: 3891

Re: Help me diagnose my AC

Do you have access to an infared thermometer? Shoot the condenser and see if you get to an area that has a big change. A thermal camera is even better.
by Dougflas
Sat Aug 22, 2020 2:24 pm
Forum: Automotive Air Conditioning Forum
Topic: Help me diagnose my AC
Replies: 28
Views: 3891

Re: Help me diagnose my AC

Airflow across condenser. It is possible the new condenser is bad or the fan clutch.
by Dougflas
Sat Aug 22, 2020 11:25 am
Forum: Automotive Air Conditioning Forum
Topic: Help me diagnose my AC
Replies: 28
Views: 3891

Re: Help me diagnose my AC

Measure the input and output of the evaporator tubes. The readings (taken with the same thermometer) should be the same and the output a few degrees cooler) 320 high side at idle is too much. So you may have a defective condenser, fan clutch, missing air dam shields; what ever is causing the high si...
by Dougflas
Mon Aug 17, 2020 3:59 pm
Forum: Automotive Air Conditioning Forum
Topic: 1979 F150 will not cool below 60F register temps/evap partially warm
Replies: 11
Views: 2012

Re: 1979 F150 will not cool below 60F register temps

Just for giggles, clamp off the heater core to ensure you're not reheating. You may have a partially plugged evaporator.
by Dougflas
Sun Aug 16, 2020 10:03 am
Forum: Automotive Air Conditioning Forum
Topic: 1970 Oldsmobile AC Woes
Replies: 6
Views: 1837

Re: 1970 Oldsmobile AC Woes

Hook up the gauges and unplug the blower motor. The low side should drop to 26PSI. If not bad POA is most probable cause.
by Dougflas
Tue Aug 11, 2020 1:53 pm
Forum: Automotive Air Conditioning Forum
Topic: Pag Oil Question
Replies: 1
Views: 440

Re: Pag Oil Question

I would add 2 oz in each.
by Dougflas
Tue Aug 11, 2020 1:52 pm
Forum: Automotive Air Conditioning Forum
Topic: O Ring Dilemma
Replies: 3
Views: 795

Re: O Ring Dilemma

You could also purchase a vehicle specific kit with all o-rings. Tim should have them.

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