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Mechanics of the OT: AC low pressure port

Posted on 8/13/20 at 7:56 pm
Posted by deltaland
Member since Mar 2011
103974 posts
Posted on 8/13/20 at 7:56 pm
Trying to check Freon levels on my girlfriends 2016 Chrysler 200. The gauge and can of Freon won’t clamp down the port. I know it’s the right port. Aren’t these things supposed to be universal? It’s clamps fine on my 2014 gmc z71. Did Chrysler change theirs up where you need a special adapter only the dealership has?
Posted by TIGER2
Mandeville.La
Member since Jan 2006
10511 posts
Posted on 8/13/20 at 7:59 pm to
Check to make sure the cap that you took off is not broke. Look to see if a piece of cap is broke of in the low side port. Also shine Alight in the connector on the hose, make sure it clear.
Posted by tiger2180
Member since Nov 2015
465 posts
Posted on 8/13/20 at 8:00 pm to
What type refrigerant? 134a isn’t going to work.
Posted by deltaland
Member since Mar 2011
103974 posts
Posted on 8/13/20 at 8:01 pm to
Its all clear
Posted by deltaland
Member since Mar 2011
103974 posts
Posted on 8/13/20 at 8:02 pm to
quote:

What type refrigerant? 134a isn’t going to work.


Ooooh. What does it use? Manual has nothing on refrigerant
Posted by tiger2180
Member since Nov 2015
465 posts
Posted on 8/13/20 at 8:03 pm to
r1234yf
Posted by deltaland
Member since Mar 2011
103974 posts
Posted on 8/13/20 at 8:09 pm to
Thanks! Must use a different hose connector then. I’ll go look for one tomorrow.

Oh and in my google search for this I saw this




Notice the average cost
Posted by tiger2180
Member since Nov 2015
465 posts
Posted on 8/13/20 at 8:16 pm to
A lot of local shops won’t work on the r1234yf stuff. I had a similar problem with a work vehicle last year. Employee said the ac wasn’t cooling so stopped at Walmart and added some 134a. Ended up at the dealership and had to flush the system.
Posted by Broke
AKA Buttercup
Member since Sep 2006
65499 posts
Posted on 8/13/20 at 8:19 pm to
You shouldn't be messing with this without knowledge and a manifold
Posted by deltaland
Member since Mar 2011
103974 posts
Posted on 8/13/20 at 8:32 pm to
Why? I just need to check Freon pressure and add a little if it’s low
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