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2002 Chevy Venture A/C SYS LEAK

woodrowz24 on Tue May 24, 2011 10:48 PM User is offline

Year: 2002
Make: Chevy
Model: Venture
Engine Size: 3.4
Refrigerant Type: R134
Ambient Temp: 75
Pressure Low: 0
Pressure High: 0
Country of Origin: United States

I am working on a 2002 Chevy Venture that has lost all the refrigerant. It will not hold a vacuum and with pressure on the system I can hear a leak down near the compressor. I know that GM's have a issue with the shaft seal going bad. I am wondering if someone can tell me which compressor is installed in this van and if I can replace the shaft seal and of course if anyone knows it, what is the part number I need to order from this website.


TRB on Tue May 24, 2011 11:36 PM User is offlineView users profile

I'll have to check on the shaft seal. You have the tools to do the job, aka pulley and hub puller. R & R seal tools?

Compressor TypeMITSUBISHI
Part DescriptionCOMP MSC130CVSG2 PV6 CHEVY VENTURE 3.4L 02-05
Compressor ClassNEW
Compressor StyleSCROLL
Clutch Diameter102mm
Oil TypePAG 46
Oil Capacity Oz6
Compressor MountDIRECT
Coil Pos.12


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GM Tech on Wed May 25, 2011 1:44 PM User is offline

'01-'02 U-vans are notorious for condenser leaks- at lower right hand corner- (near compressor) my money is that theat is where your leak is -if condenser has never been changed

The number one A/C diagnostic tool there is- is to know how much refrigerant is in the system- this can only be done by recovering and weighing the refrigerant!!
Just a thought.... 65% of A/C failures in my 3200 car diagnostic database (GM vehicles) are due to loss of refrigerant due to a leak......

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