Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum banner
Cancel
Create thread New Garage Forums

A/C Accumulator Leaking??

Jump to Latest
16K views 8 replies 4 participants last post by  agreif  
A
#1 ·
Guys, 02 TB with 165k miles. A/C wasn't running, was thinking it was teh low pressure switch but decided to check the pressure first. System was loooooow. Here's teh kicker, I went to fill it up right? I needed to run the compressor, so I filled it a little bit without running it via a jumper wire, and then when that pressure got up there I ran the compressor for 5 seconds. However, before I ran a oil starved compressor I decided to watch the pressure and saw it ever so slowly drop.

SO I shut the engine off and listened for a leak. I could still see the pressure drop, so I took teh gauge off to make sure that wasn't it. Sound was still there when I disconnected it. So then I put my hand on the accumulator and just give it a little rocking and the leaking sound gets louder. It wasn't from the connection joints, but almost from teh middle to lower side of the accumulator. Is it possible the accumulator/drier is leaking (I guess anything is possible, right?)? There was some type of fluid at the bottom of that accumulator.

What do you think?

Thanks in advance,
Andrew
 
Discussion starter · #3 ·
This morning I pumped up car with more refrigerant after I had wiped off the bottom of the accumulator, filled the system with the rest of the r134a can and then came back and saw that there was fluid again at the bottom of the accumulator. So I'm pretty sure it's that accumulator as the leak wasn't coming from any of the fittings. I'll order that today and hopefully replace that next week. We'll see. I'll let you guys know what I find.
 
Discussion starter · #5 ·
I hear ya, but it could be the oil in the refridgerant can, right. I can actually feel the air/refrigerant coming out past the accumulator insulation and then have this oily liquid at the bottom, so I figured that was my problem. I guess I'll find out soon enough.

The system is completely empty. When I fill it up, I can watch the pressure drop ever so slowly and feel something escaping around the accumulator.
 
Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum
posts
1.3M
members
184K
Since
2004
A forum community dedicated to Chevy Trailblazer and GMC Envoy owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, towing capacity, maintenance, and more!
Full Forum Listing
Explore Our Forums
General OEM Issues Exterior Audio and Electronics New Member Introductions