Search found 976 matches

by bohica2xo
Sat Aug 13, 2022 8:42 am
Forum: Automotive Air Conditioning Forum
Topic: Installing Aftermarket AC in a Dodge Van
Replies: 77
Views: 2500

Re: Installing Aftermarket AC in a Dodge Van

this guy is tenacious. I figured he would be back.

Best of luck with the BMW, and start a thread for it if you need help.
by bohica2xo
Tue Aug 09, 2022 11:44 pm
Forum: Automotive Air Conditioning Forum
Topic: 1993 Jeep Cherokee A/C Performance Issues
Replies: 12
Views: 320

Re: 1993 Jeep Cherokee A/C Performance Issues

The original condenser was a Serpentine design that worked well. If it was replaced with an aftermarket part of a different type, it is hard to say if the condenser is up to the job. Jeep went several years where they could not make up their mind on fans. I believe your 1993 should have an engine dr...
by bohica2xo
Fri Jul 15, 2022 8:42 am
Forum: Automotive Air Conditioning Forum
Topic: Installing Aftermarket AC in a Dodge Van
Replies: 77
Views: 2500

Re: Installing Aftermarket AC in a Dodge Van

So how about some pressures? Engine RPM above 1500, evaporator fan on highest speed. Hold that for 90 seconds to stabilize and read the pressures while the engine RPM is above 1500. Dragging the hot air from the top edge of the windshield across the evaporator is not going to provide the best vent t...
by bohica2xo
Mon Jul 11, 2022 5:11 pm
Forum: Automotive Air Conditioning Forum
Topic: System on Fire Engine
Replies: 14
Views: 777

Re: System on Fire Engine

I guess the question is, how is the cooling capacity with 47f air? Large volumes of 47f air can cool pretty well. I would wonder if the TXV has a poor CV match for the Evaporator size, causing the low discharge pressure, but I have a sample size of one here. No like I can compare the system to anoth...
by bohica2xo
Sun Jul 10, 2022 10:19 pm
Forum: Automotive Air Conditioning Forum
Topic: System on Fire Engine
Replies: 14
Views: 777

Re: System on Fire Engine

High side numbers are looking pretty solid. It is moving some heat.

Low side is not terrible, the 14 psi and 47f discharge are a little harder to reconcile. Is this an E-One unit? Might be within their parameters.
by bohica2xo
Fri Jul 08, 2022 4:50 pm
Forum: Automotive Air Conditioning Forum
Topic: System on Fire Engine
Replies: 14
Views: 777

Re: System on Fire Engine

Well, since you have recovered it, check the TXV inlet. Do you recall if the TXV had an inlet screen?

TM 31 compressor has a lot of volume, it is possible for those pressures to exist with high enough ambient.
by bohica2xo
Fri Jul 08, 2022 2:28 pm
Forum: Automotive Air Conditioning Forum
Topic: System on Fire Engine
Replies: 14
Views: 777

Re: System on Fire Engine

Does not sound reasonable for just a low charge. What sort of system? CCOT or TXV?

I recall you had a truck with a half charge of refrigerant and a gallon of oil once. Any chance the same guy was there?

.
by bohica2xo
Wed Jul 06, 2022 7:51 am
Forum: Automotive Air Conditioning Forum
Topic: 2003 MB E320 W210 R/D missing
Replies: 18
Views: 1007

Re: 2003 MB E320 W210 R/D missing

"Bohica described the compressor as direct drive, always spinning and hence should be replaced because the system is open and the compressor will gulp in air. But... Turns out that this E320 uses a clutched AC. The compressor is not spinning continuously." Had YOU posted the correct model ...
by bohica2xo
Sat Jul 02, 2022 5:15 am
Forum: Automotive Air Conditioning Forum
Topic: 2003 MB E320 W210 R/D missing
Replies: 18
Views: 1007

Re: 2003 MB E320 W210 R/D missing

That car has the direct drive compressor. No clutch. An electrically operated control valve de-strokes the pistons wen cooling is not needed. So it has been turning since the day the R/D was cut out of the system. Hard to say what the compressor condition is at this point. There is a shear ring on a...
by bohica2xo
Fri Jul 01, 2022 10:01 pm
Forum: Automotive Air Conditioning Forum
Topic: 1985 chevy c20 now second time around with this
Replies: 30
Views: 1597

Re: 1985 chevy c20 now second time around with this

Presuming this is OEM equipment. A 5.7 (350 ) V8, with an R4 compressor. Original condenser was probably tube & fin. Most replacements today are parallel flow units. If the condenser is a parallel flow type, they are not flushable by the average consumer. A parallel flow condenser becomes the pr...