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Can't remove double lipped rubber seal from A6

mhfd112 on Sat April 05, 2008 1:39 PM User is offline

Year: 1977
Make: Chevy
Model: truck

I'm making my second attempt with a double lipped seal. The first one leaked. Not sure where I went wrong, but anyway I'm trying to get the first one I put in removed. The removal tool won't grab on good enough for me to remove it. Any suggestions?

Another question. When you switch to the rubber seal and do away with the ceramic what keeps the shaft from pulling to the side and leaking when belt tension is applied? The reason I ask is when I grabbed the front and rear of the compressor to swing it to the side freon started escaping from the shaft seal area. This compressor was not a profuse leaker at the shaft seal from the start. The clutch did get hot while I was doing a cam break in so I thought it would be good insurance to replace the old style seal with the new style.

TRB on Sat April 05, 2008 2:33 PM User is offlineView users profile



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mhfd112 on Sat April 05, 2008 4:34 PM User is offline

Thanks Tim! That is a great exploded view.

I got the old seal out, but not with the tool. Had to use a couple of long screws. It is all back together. Getting ready to vacuum and charge it. Hope it works this time. I'm going to try running minimal belt tension this time too.

mhfd112 on Sat April 05, 2008 6:09 PM User is offline

I struck out again.

It is still slinging oil.

TRB on Sat April 05, 2008 6:18 PM User is offlineView users profile

Seals can be tough at times. It's hard to tell online what may be the issue via the forum. Maybe some images if you break it down again. I have had mechanics in the past that could never get a seal changed correctly. Are you covering the seals with oil before installation? If you touch the seal surface at all it with not seal!

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CorvairGeek on Sat April 05, 2008 8:32 PM User is offline

" The reason I ask is when I grabbed the front and rear of the compressor to swing it to the side freon started escaping from the shaft seal area. This compressor was not a profuse leaker at the shaft seal from the start."

I've seen leaky hoses act this way, but the front seal makes me wonder about front bearing wear in the compressor allowing excessive shaft movement. Maybe the pros have seen this either way?

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Jerry

mhfd112 on Sat April 05, 2008 9:53 PM User is offline

This time I left the seal in the plastic bag that it came in. I poured some mineral oil in the bag and got the seal wet with oil. I never touched the seal surface. I covered the seal protector in mineral oil. I used brake cleaner and shop air to clean out and debris before the seal went in. I almost took pictures while doing all this so I could show how clean everything is.

mhfd112 on Sun April 06, 2008 8:38 PM User is offline

I have two options. Order the old style seal and put it in this compressor or I can try a double lip seal in another A6 I have that is a profuse leaker. I guessing it has the old style seal.

TRB on Sun April 06, 2008 8:57 PM User is offlineView users profile

Hard to tell what to do at this point. personally I have yet to try the double lip seal in anything other than what it was designed for.

-------------------------

When considering your next auto A/C purchase, please consider the site that supports you: ACkits.com
Contact: ACKits.com

mhfd112 on Mon April 07, 2008 1:16 PM User is offline

I'm wondering if the ceramic piece of the two part old style seal is what prevents the shaft from moving around. Without the ceramic it looks like it would be easier for the shaft to move and let oil and freon escape.

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