Search found 305 matches

by bohica2xo
Fri May 18, 2018 4:07 pm
Forum: Automotive Air Conditioning Forum
Topic: Fog and refrigerant blown out of vents during recharge
Replies: 6
Views: 47

Re: Fog and refrigerant blown out of vents during recharge

Yes, the evaporator is done. Unless you blew a heater core at exactly the same time as you were charging... System open to the elements for 6 years takes a toll on parts. Internal corrosion from years of atmospheric humidity. A leak that won't hold 10" vacuum? Yeah, don't bother trying to charg...
by bohica2xo
Thu May 17, 2018 8:12 pm
Forum: Automotive Air Conditioning Forum
Topic: AC accumulator draining too fast, high hi side
Replies: 4
Views: 111

Re: AC accumulator draining too fast, high hi side

It is doubtful the evaporator is the issue. To diagnose it correctly you need to charge the correct weight in to the system. You can't determine the charge level by pressure. We also need temperatures to relate to the pressures. If your ambient temperature is 72f, 315 on the high side is bad indeed....
by bohica2xo
Thu May 17, 2018 6:37 pm
Forum: Automotive Air Conditioning Forum
Topic: Don't know how much oil I lost
Replies: 6
Views: 176

Re: Don't know how much oil I lost

Your title really says it all. Precision guesswork is gambling. Add just enough oil, and things will work out. Add too much, and you will be flushing excessive oil. Add too little and you will be flushing bits of ground up compressor. In your case, the leak happened all at once, while you were prese...
by bohica2xo
Thu May 17, 2018 6:29 pm
Forum: Automotive Air Conditioning Forum
Topic: 1999 Mack MR688S inefficiency
Replies: 4
Views: 106

Re: 1999 Mack MR688S inefficiency

Yep. I just pulled the bottom line off of the condenser on a 2000 Malibu. Drained a solid 20 ounces of oil. The local Firestone monkeys had put 3 compressors on it & charged it with the magic machine each time. Every receipt she had showed a charge for "refrigerant oil". It would not c...
by bohica2xo
Thu May 17, 2018 6:15 pm
Forum: Automotive Air Conditioning Forum
Topic: Delphi SAE J639 compressor inquiry.
Replies: 1
Views: 84

Re: Delphi SAE J639 compressor inquiry.

The switch on the back of the compressor is used on some models, for various tasks. If there is no connector nearby for the switch, it is just being used to plug the hole in the compressor. If there IS a mating connector nearby, re-install it. Replacement compressors have the port, but there is a so...
by bohica2xo
Thu May 17, 2018 5:47 pm
Forum: Automotive Air Conditioning Forum
Topic: AC accumulator draining too fast, high hi side
Replies: 4
Views: 111

Re: AC accumulator draining too fast, high hi side

Hitting the HPCO is a Condenser problem.

You say the fans are on 100%. Does it do the same thing when driving down the road above 40 mph?

What is the history of the vehicle? New to you?
by bohica2xo
Thu May 17, 2018 5:40 pm
Forum: Automotive Air Conditioning Forum
Topic: 2014 Land Cruiser AC Problem
Replies: 7
Views: 198

Re: 2014 Land Cruiser AC Problem

Start by checking & adjusting the compressor clutch gap. It is the most likely culprit, and adjusting one with 3 years of wear is never a bad thing. With the engine cold, use a feeler gauge to check the gap. Anything over .025 inches is not good. Don't have a feeler gauge? Use a few business car...
by bohica2xo
Thu May 17, 2018 4:53 pm
Forum: Automotive Air Conditioning Forum
Topic: AC low side over 100#
Replies: 5
Views: 211

Re: AC low side over 100#

121 is a typo. He meant to say R12.

Are the handwheels on the gauge set closed while making your measurements?

What does the high side read while the low side is at 100 & the system is running?
by bohica2xo
Sun Apr 22, 2018 3:40 pm
Forum: Automotive Air Conditioning Forum
Topic: A/C Troubleshooting Situation
Replies: 3
Views: 368

Re: A/C Troubleshooting Situation

Dead scroll compressor. It is shedding debris in to the condenser. Probably low on charge, but it is done. You can add a few ounces of refrigerant & re-test, but I suspect you will see the pressures remain the same. The condenser is the primary system filter. Since it is 7+ years old I would rep...

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