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Which seal to use on A6

mrpate on Sun July 10, 2011 9:18 PM User is offline

Year: 1967
Make: Chevrolet
Model: Corvette
Engine Size: 327
Refrigerant Type: R-12

I have removed the leaking shaft seal from my 67 corvette. The seal I removed incorporated a steel washer that contacted the graphite like cage assembly. I had previously purchased a seal assembly that has a white Teflon like material instead of the steel washer. Is the Teflon seal face a technological upgrade over the OEM steel seal?

What seal assembly should I install?

Thanks for your response-----Mark

iceman2555 on Sun July 10, 2011 9:29 PM User is offlineView users profile

Why not replace the older seal type with a new design double lipped seal from a H6/V5 type compressor. Will greatly aid in loss of refrigerant. It is hidden and will not affect points in a show...if the vehicle is shown.

The strongest reason for the people to retain the right to keep and bear arms is, as a last resort, to protect themselves against tyranny in government.
Thomas Jefferson

chris142 on Sun July 10, 2011 11:15 PM User is offline

There is a large O-Ring behind the rear cover that I would replace while you have the compressor off.

GM Tech on Mon July 11, 2011 8:25 AM User is offline

You can buy the reaseal kit on-line for that large o-ring etc.

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......

mrpate on Mon July 11, 2011 1:34 PM User is offline

mrpate on Mon July 11, 2011 1:48 PM User is offline

I see a GM shaft seal part #21-34659 that is recommended for compressor models HD/HT/HT6/HR6/HR6HE/V5. Is this the seal I should be using in my A6?

I have already replaced the large oring.


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