Search found 268 matches

by Dougflas
Thu Apr 02, 2020 6:32 am
Forum: Automotive Air Conditioning Forum
Topic: 99 Chevy Truck
Replies: 7
Views: 75

Re: 99 Chevy Truck

if you think the compressor is locked up unplug it and put a lamp in its place. Do not use a 60 amp fuse in place of a 30 amp. Too much of a difference and you can let the magic smoke out.
by Dougflas
Fri Mar 20, 2020 4:47 pm
Forum: Automotive Air Conditioning Forum
Topic: R12 system on 79 Trans Am
Replies: 21
Views: 1509

Re: R12 system on 79 Trans Am

The input and output lines of the evaporator should be close in respect to temperature. If they are cold, then start looking at a reheat problem. Clamp off the heater hose or disconnect the heater core. The engine needs to be at 1500 rpm to 2000rpm. If the lines are cold, it is possible the evaporat...
by Dougflas
Mon Mar 16, 2020 3:50 am
Forum: Automotive Air Conditioning Forum
Topic: 2013 Escalade ESV Platinum - Replacing Evap Temp Sensor
Replies: 6
Views: 1814

Re: 2013 Escalade ESV Platinum - Replacing Evap Temp Sensor

There should be a sticker under the hood indicating the correct refrigerant charge. Go by that and not any chart.
by Dougflas
Sun Mar 15, 2020 6:28 am
Forum: Automotive Air Conditioning Forum
Topic: Ford fiesta india 2014 a.c confusion
Replies: 7
Views: 986

Re: Ford fiesta india 2014 a.c confusion

well if you use F instead of C you may get more answers. At idle you're getting about 39degrees and at running 49 degrees right? Usually it is the other way around due to more airflow across the condenser. You may have a marginal control valve if the compressor uses one. If you have to recharge the ...
by Dougflas
Sun Mar 08, 2020 10:11 am
Forum: Automotive Air Conditioning Forum
Topic: 1966 Oldsmobile A/C
Replies: 6
Views: 1701

Re: 1966 Oldsmobile A/C

If you think R12 is expensive, wait until you price R1234YF. R1234YF is being used on a lot of new vehicles.
by Dougflas
Sat Mar 07, 2020 6:59 am
Forum: Automotive Air Conditioning Forum
Topic: 1966 Oldsmobile A/C
Replies: 6
Views: 1701

Re: 1966 Oldsmobile A/C

Keep it R12
by Dougflas
Sat Feb 22, 2020 4:57 am
Forum: Automotive Air Conditioning Forum
Topic: wont hold vacuum
Replies: 3
Views: 1539

Re: wont hold vacuum

you need to put some refrigerant ( 1or 2 oz) and nitrogen. Use an electronic sniffer to find your leak. Do not forget to check your gauge set.
by Dougflas
Tue Dec 24, 2019 5:14 am
Forum: Automotive Air Conditioning Forum
Topic: Finding A Leak In A New System
Replies: 10
Views: 3480

Re: Finding A Leak In A New System

Did you disconnect the hoses from the fittings? You may have a leaky coil and need a sniffer (electronic) and some refrigerant and N2.
by Dougflas
Sat Nov 23, 2019 6:04 am
Forum: Automotive Air Conditioning Forum
Topic: Ac not as cold when car warms up
Replies: 19
Views: 8333

Re: Ac not as cold when car warms up

Clamp off the heater.
by Dougflas
Fri Nov 15, 2019 6:52 am
Forum: Automotive Air Conditioning Forum
Topic: Purging With Nitrogen ???
Replies: 3
Views: 2808

Re: Purging With Nitrogen ???

Excellent idea to flush with dry N2. This makes for a better vacuum process.

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