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V5 - how to identify large or small shaft?

mektek on Thu September 25, 2008 2:05 PM User is offline

Year: 99
Make: chev
Model: lumina
Engine Size: 3.8

I'd like to replace the shaft seal on the V5, but there are two replacements available. How can you tell if you need the large or small shaft version without pulling the clutch? The compressor I have is a part #11-35238 and it's in a police RPO car.

GM Tech on Thu September 25, 2008 2:43 PM User is offline

Here is what I use
A/C Delco # 15-30948 or GM# 2724954


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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......

TRB on Thu September 25, 2008 2:43 PM User is offlineView users profile

I suggest measuring the shaft itself.

http://www.autoacforum.com/messageview.cfm?catid=20&threadid=18627

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mektek on Thu September 25, 2008 3:02 PM User is offline

What I was thinking of was the ackits.com part# 21-34659. I'm guessing that I have the smaller shaft since the description of the large shaft seal indicates it's used mostly on late model units. I have a 99 so it's probably small shaft.
I just don't want to start disassembly until I have received all the parts to finish the job.

Chick on Thu September 25, 2008 5:25 PM User is offlineView users profile

AcKits.com part number for the seal is 21-34734 and GM tech numbers are the right ones for your compressor. You don't have the smaller shaft, it's more or less standard, I change a lot of them and always use the seal number above, cheaper than GM... The kit number may be different, but e-mail Tim at [email protected] and he can give you the kit number that contains the seal number I gave you.. The kit is the seal, snap ring and O rings..Hope this helps..

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Chick
Email: Chick

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