1995 Lexus GS300 A/C Compressor Help Please.
#1
Driver School Candidate
Thread Starter
Join Date: Aug 2015
Location: Florida
Posts: 1
Likes: 0
Received 0 Likes
on
0 Posts
1995 Lexus GS300 A/C Compressor Help Please.
Hello AC forum members!
My wife has a 1995 Lexus GS300 with about 150,000 miles.
About 4 months ago, the A/C started to not cool as it should and over the course of about 3 weeks it gradually lost most of its charge.
I added 3 cans of refrigerant with no apparent issues and the system has been working fine.
About 3 weeks ago, it began loosing it's charge again.
Last week, shortly after I started the process of adding refrigerant, I detected the slight smell of refrigerant.
After some investigation, I found that the plastic valve on the charging hose had a crack just above where the refrigerant can screws into the hose valve.
I removed the hose and checked the A/C.
The compressor cycled off and on every 4-5 seconds. When the compressor clutch engaged, it made a (for lack of a better term) "farting" sound at the back side of the compressor, with visible gas coming from the back side of the compressor, until the clutch disengaged.
I didn't have a chance to do any more with it until yesterday.
Now, when the compressor clutch engages it makes no noise, or cold air, and still cycles every 4 to 5 seconds.
Is it possible that the crack in the refrigerant hose allowed air into the system along with the refrigerant, over-pressurizing the system and causing a leak in the compressor?
If so, would it most likely be leaking at one of the compressor seals, or where one of the A/C hose o-rings mates to the compressor?
Also - I have been told that some auto A/C compressors have a high pressure or pop-off valve on them in case of over pressurization. Does anyone know if this is the case with a 1995 Lexus GS300?
Any insight or suggestions would be greatly appreciated by my wife (We live in Florida).
Thanks!
BTW - I now have access to A/C manifold gauge set and vacuum pump.
My wife has a 1995 Lexus GS300 with about 150,000 miles.
About 4 months ago, the A/C started to not cool as it should and over the course of about 3 weeks it gradually lost most of its charge.
I added 3 cans of refrigerant with no apparent issues and the system has been working fine.
About 3 weeks ago, it began loosing it's charge again.
Last week, shortly after I started the process of adding refrigerant, I detected the slight smell of refrigerant.
After some investigation, I found that the plastic valve on the charging hose had a crack just above where the refrigerant can screws into the hose valve.
I removed the hose and checked the A/C.
The compressor cycled off and on every 4-5 seconds. When the compressor clutch engaged, it made a (for lack of a better term) "farting" sound at the back side of the compressor, with visible gas coming from the back side of the compressor, until the clutch disengaged.
I didn't have a chance to do any more with it until yesterday.
Now, when the compressor clutch engages it makes no noise, or cold air, and still cycles every 4 to 5 seconds.
Is it possible that the crack in the refrigerant hose allowed air into the system along with the refrigerant, over-pressurizing the system and causing a leak in the compressor?
If so, would it most likely be leaking at one of the compressor seals, or where one of the A/C hose o-rings mates to the compressor?
Also - I have been told that some auto A/C compressors have a high pressure or pop-off valve on them in case of over pressurization. Does anyone know if this is the case with a 1995 Lexus GS300?
Any insight or suggestions would be greatly appreciated by my wife (We live in Florida).
Thanks!
BTW - I now have access to A/C manifold gauge set and vacuum pump.
Thread
Thread Starter
Forum
Replies
Last Post