Thought I'd reply back finally...
I did what Tim suggested. System only had a little over a pound when I evacuated it. Pumped it down for about 15 minutes let it sit for another 10 minutes, and was satisfied it didn't have a serious leak. Once we got the full charge 48oz we ended up with 42 degree ...
Search found 2 matches
- Fri Aug 14, 2020 3:28 pm
- Forum: Automotive Air Conditioning Forum
- Topic: 2003Envoy XL Dual AC 4.2L Weak Cooling
- Replies: 3
- Views: 5119
- Fri Jul 03, 2020 8:56 am
- Forum: Automotive Air Conditioning Forum
- Topic: 2003Envoy XL Dual AC 4.2L Weak Cooling
- Replies: 3
- Views: 5119
2003Envoy XL Dual AC 4.2L Weak Cooling
Hi, thanks for any help...
2003 Envoy XL dual AC manual control 4.2L engine
cooling has grown weak over last year or two.
System has never been opened 245k miles
85 degree outside temp
system would short cycle at any speed above idle
gauge pressures 40psi and 160psi at idle
anything above idle low ...
2003 Envoy XL dual AC manual control 4.2L engine
cooling has grown weak over last year or two.
System has never been opened 245k miles
85 degree outside temp
system would short cycle at any speed above idle
gauge pressures 40psi and 160psi at idle
anything above idle low ...