Search found 379 matches
- Sun Jul 16, 2017 4:53 pm
- Forum: Automotive Air Conditioning Forum
- Topic: R12 -> R134a 1989 Porsche Kit Questions
- Replies: 77
- Views: 86291
Re: R12 -> R134a 1989 Porsche Kit Questions
Thanks Tim and Cusser, It looks like HNBR O-rings come in black or green. They may not be exactly the same (e.g. different durometer) https://www.globaloring.com/oring-colors/ I guess I'll assume the QD fittings for R134a will be OK. It makes sense after all this time at least the R134a fittings sh...
- Wed Jul 12, 2017 7:34 am
- Forum: Automotive Air Conditioning Forum
- Topic: What is this scale on my manifold gauges for?
- Replies: 8
- Views: 12077
Re: What is this scale on my manifold gauges for?
I had to copy your image into Photoshop to sharpen it enough to see the scales. Let's imagine the needle is at the 30 psi position. The first scale (in light blue) is the R134a scale. The temp of the refrigerant at sea level is 35* F. The next scale (green) is the R22 scale. At the same PSI, the tem...
- Tue Jul 11, 2017 2:32 pm
- Forum: Automotive Air Conditioning Forum
- Topic: questions
- Replies: 2
- Views: 4570
Re: questions
Best way to verify a refrigerant charge is to recover and weigh the proper charge. As you get experienced, you can fudge it. In today's vehicles, the charge is small so a few oz can make a difference.
- Tue Jul 11, 2017 12:30 pm
- Forum: Automotive Air Conditioning Forum
- Topic: 1995 Acura NSX
- Replies: 5
- Views: 8167
Re: 1995 Acura NSX
System can hold a vacuum and still have a leak. Dye is your friend.
- Tue Jul 11, 2017 9:10 am
- Forum: Automotive Air Conditioning Forum
- Topic: readings and what may be wrong?
- Replies: 2
- Views: 4928
Re: readings and what may be wrong?
And mat we ask the model of the vehicle? Refrigerant should be added as to proper amount by weight; not by measuring voltages at transducers.
- Mon Jul 10, 2017 4:44 pm
- Forum: Automotive Air Conditioning Forum
- Topic: Few small metal flakes on orifice tube but oil seems clean
- Replies: 2
- Views: 4406
Re: Few small metal flakes on orifice tube but oil seems clean
Metal flakes probably came from compressor. I would replace the condenser also. It depends upon how long you will be running the vehicle. I would flush th3e system.
"Do it right and do it once" comes to mind.
"Do it right and do it once" comes to mind.
- Mon Jul 10, 2017 12:36 pm
- Forum: Automotive Air Conditioning Forum
- Topic: low side service port
- Replies: 1
- Views: 3721
Re: low side service port
Those ball type "shraders" are known for this. The caps are the primary seal and the shraders are the secondary seals. I would not worry about it.
- Fri Jul 07, 2017 2:07 am
- Forum: Automotive Air Conditioning Forum
- Topic: R12 -> R134a 1989 Porsche Kit Questions
- Replies: 77
- Views: 86291
Re: R12 -> R134a 1989 Porsche Kit Questions
If you use a micron gauge, you will probably run into the problem that the micron gauge has 1/4 inch sae flare fittings and you will need an adaptor to get to acme fittings. They are available.
- Thu Jul 06, 2017 7:14 am
- Forum: Automotive Air Conditioning Forum
- Topic: Pressure good but no cold air
- Replies: 5
- Views: 7566
Re: Pressure good but no cold air
You may not have a refrigeration problem. It could be the blend doors. Try clamping off the heater hoses.
- Mon Jul 03, 2017 8:07 pm
- Forum: Automotive Air Conditioning Forum
- Topic: What is this scale on my manifold gauges for?
- Replies: 8
- Views: 12077
Re: What is this scale on my manifold gauges for?
outer scale is PSI. Photo is not clear enough for me or I would explain which scale indicates saturated temp.