A/C problems

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Jun 5, 2015 | 08:14 AM

#16

Jose.Aviles15

Newbie

Joined: May 2014

Posts: 16

Likes: 0

From: Texas

Year: 2000

Model: Cherokee

Engine: 2.5 L

Quote:

Originally Posted by Turbo X_J

You really don't want to charge the system with the high side valve open.

As a master ASE certified technician who has been doing this for years. I have always charged with both valves open and the car off. If the car needs 2lbs and it only sucked in 1.70lbs I CLOSE the high side valve, as i states in my op, turn ON the car on max ac and the compressor will start to take the rest of the charge.

If you understand how guages work you can figure out why they say not to charge on the high side with the car on. And that's correct never open the high side with the car on. You can with the compressor off but not on.

Jun 5, 2015 | 07:56 PM

#17

Turbo X_J

CF Veteran

Joined: Sep 2009

Posts: 8,567

Likes: 20

From: ☼ Blackhole Sun

Year: My Jeep is a GMC

Quote:

Originally Posted by Jose.Aviles15

I have always charged with both valves open and the car off.

Most would say you are doing it wrong.

Jun 7, 2015 | 12:51 PM

#18

Kscha41

Thread Starter

Member

Joined: Oct 2013

Posts: 109

Likes: 2

Model: Cherokee

Well I got bored today so I took the old compressor apart to see what happened. And this is the reason why it was no longer working.

Jun 7, 2015 | 12:53 PM

#19

Kscha41

Thread Starter

Member

Joined: Oct 2013

Posts: 109

Likes: 2

Model: Cherokee

Here is the compressor housing. I also kept the coil and clutch off the old one just in case I ever need it.

Jun 8, 2015 | 08:22 AM

#20

Knucklebuster

Member

Joined: Jan 2012

Posts: 180

Likes: 11

From: Northeast US

Year: 1998

Model: Cherokee

Engine: 4.0

Excellent photos. Nice to see a complete thread with the problem and the solution all in one place. Wonder what exactly killed the old compressor? lack of oil? water in the system?