Search found 368 matches

by Dougflas
Mon Jun 20, 2016 4:04 pm
Forum: Automotive Air Conditioning Forum
Topic: Properly check vacuum.
Replies: 13
Views: 13412

Re: Properly check vacuum.

you do not need adapters. Maybe I did not explain it well enough. Take your low side hose off the manifold. Now your manifold has 2 hoses on it (middle and high side) take the end of the high side off and out it on the low side manifold nipple. Draw a vacuum thru the guages. (Place vacuum pump on mi...
by Dougflas
Mon Jun 20, 2016 2:23 pm
Forum: Automotive Air Conditioning Forum
Topic: Properly check vacuum.
Replies: 13
Views: 13412

Re: Properly check vacuum.

Check your gauges and hoses. Take the high side hose and place the ends on the high siide looped tothe low side. Pull a vacuum and test. Do this for all of the hoses.
by Dougflas
Sat Jun 18, 2016 7:19 pm
Forum: Automotive Air Conditioning Forum
Topic: Real stumper. Who's got the answer?
Replies: 1
Views: 4672

Re: Real stumper. Who's got the answer?

If they can make it blow cold with a scan tool, then the refrigeration circuit is working. You don't need an evaporator or drier. You can purchase the service manual on a CD for this vehicle and have all the service info for the entire vehicle. You can have a defective sensor; the manual will help l...
by Dougflas
Thu Jun 16, 2016 2:46 pm
Forum: Automotive Air Conditioning Forum
Topic: Properly check vacuum.
Replies: 13
Views: 13412

Re: Properly check vacuum.

If you have 29 inches of vacuum while the pump is running, when you close the hand wheels, you should still have 29 inches of vacuum.
by Dougflas
Mon Jun 13, 2016 5:10 am
Forum: Automotive Air Conditioning Forum
Topic: Using different size orifice tubes
Replies: 5
Views: 6548

Re: Using different size orifice tubes

Ford Color

Blue .067

Red .062

Orange .057

Green .052

Brown .047

GM Color

white, Black/white .072

Some tubes have only a single o ring, most have 2 o rings
by Dougflas
Tue Jun 07, 2016 5:52 pm
Forum: Automotive Air Conditioning Forum
Topic: Stop leak damage, truth or not?
Replies: 6
Views: 7781

Re: Stop leak damage, truth or not?

Easy seal sometimes it works sometimes not. It is a last ditch effort before replacement. It is best for micro leaks. There are different sealers out there. Some work some mess up systems and parts. I have used Easy Seal 4 times. One time it did not work. 2 times I know it worked. The other one I ha...
by Dougflas
Sat Jun 04, 2016 1:23 pm
Forum: Automotive Air Conditioning Forum
Topic: POA valve testing
Replies: 3
Views: 5392

Re: POA valve testing

I had a test procedure with photos on the old board. You need a fitting to fit into the inlet of the POA. Connect this to the high side of your gauges. The middle hose of the guages goes to an air supply. DO NOT EXCEED 60 to 65 PSI inlet. Place the low side hose of the guages (Normally blue hose) on...
by Dougflas
Tue May 24, 2016 1:46 pm
Forum: Automotive Air Conditioning Forum
Topic: Various Scales on Manifold Gauges
Replies: 9
Views: 12267

Re: Various Scales on Manifold Gauges

Google is your friend.
by Dougflas
Tue May 24, 2016 9:45 am
Forum: Automotive Air Conditioning Forum
Topic: Various Scales on Manifold Gauges
Replies: 9
Views: 12267

Re: Various Scales on Manifold Gauges

The temperature scales are the saturated temp of the refrigerant.