Search found 656 matches

by bohica2xo
Thu Oct 17, 2019 4:11 pm
Forum: Automotive Air Conditioning Forum
Topic: Restriction?
Replies: 8
Views: 41

Re: Restriction?

Receiver / Dryer installed with flow in the right direction?
by bohica2xo
Mon Oct 14, 2019 5:08 pm
Forum: Automotive Air Conditioning Forum
Topic: Ac is not getting cold when ilde
Replies: 9
Views: 118

Re: Ac is not getting cold when ilde

Well, we didn't have a Cadenza here in the US, but the 2011 Sorrento has the 3.5L V6. The 3.5 has a direct drive compressor, with an electronic control valve. It runs 100% of the time. So your issue could be an undercharged system, a bad control valve, a wiring issue or a worn out compressor. Start ...
by bohica2xo
Wed Oct 09, 2019 10:01 pm
Forum: Automotive Air Conditioning Forum
Topic: A/C quit
Replies: 12
Views: 182

Re: A/C quit

Bummer. There are a bunch of relays someplace in that truck. I wish Mopar did a better job on electrics. Being known for crappy wiring for more than 50 years is not exactly a good thing. I have seen the piano box in Rams trucks before, as well as the rectangle. Low bidder on the wiring harness proba...
by bohica2xo
Tue Oct 08, 2019 9:00 pm
Forum: Automotive Air Conditioning Forum
Topic: A/C quit
Replies: 12
Views: 182

Re: A/C quit

It has a relay in that circuit. Dodge used a Power boxy that looked like a piano, with relays inside... https://www.factorychryslerparts.com/images/parts/Chrysler/fullsize/00i99257.jpg But they sometimes used a rectangular box with fuses, with relays behind it https://www.youtube.com/watch?v=Y4iF0jA...
by bohica2xo
Mon Oct 07, 2019 5:14 pm
Forum: Automotive Air Conditioning Forum
Topic: A/C quit
Replies: 12
Views: 182

Re: A/C quit

So no clutch pull in with a jumper in the relay socket? You can check the clutch coil resistance from the relay socket. Starting on "volts" with your DMM, key on. Probe the relay socket for voltage to ground. The terminal with +12v is connected to the battery. So the OTHER terminal is the ...
by bohica2xo
Mon Oct 07, 2019 5:09 pm
Forum: Automotive Air Conditioning Forum
Topic: Pressure Checks 2000 Excursion
Replies: 16
Views: 307

Re: Pressure Checks 2000 Excursion

285 psi @ 96f ambient says you are not getting good condenser performance. That test is a good analog for leaving work at 4pm after the truck sits in the sun all day. You will have the cabin fan on max with the throttle open - and low ground speed. The fan clutch or the condenser (or both) need help...
by bohica2xo
Sun Oct 06, 2019 7:48 am
Forum: Automotive Air Conditioning Forum
Topic: A/C quit
Replies: 12
Views: 182

Re: A/C quit

Yeah, the clutch shaft should turn without notches or detents. The torque may change a little but it should be smooth. The condenser in those trucks is a parallel flow with small tubes. Very effective, but easy to clog. A condenser replacement is always a judgement call, based on what sort of failur...
by bohica2xo
Sat Oct 05, 2019 6:02 pm
Forum: Automotive Air Conditioning Forum
Topic: A/C quit
Replies: 12
Views: 182

Re: A/C quit

Check and adjust the clutch gap first, before you try replacing parts. Gap should be less than .020 or 0.5mm
by bohica2xo
Sat Sep 28, 2019 12:36 pm
Forum: Automotive Air Conditioning Forum
Topic: Pressure Checks 2000 Excursion
Replies: 16
Views: 307

Re: Pressure Checks 2000 Excursion

Fan clutches wear out. And the 9 blade plastic fan is a big load on that clutch. I would use a Motorcraft YB3157 Clutch. I would also inspect the plastic fan blade carefully. I had one come apart after a new clutch was installed. Motorcraft YA225 is the fan blade. Aftermarket clutches only last a ye...
by bohica2xo
Fri Sep 27, 2019 3:25 pm
Forum: Automotive Air Conditioning Forum
Topic: Pressure Checks 2000 Excursion
Replies: 16
Views: 307

Re: Pressure Checks 2000 Excursion

it never seems to be cool enough at idle or around town. A telling bit of information there. Increasing vehicle speed moves more air over the condenser. A full load test at 1800+ engine RPM with the cabin fans on high and the doors open will show you worst case pressures & temperatures. Run tha...

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