| Front inner seal poor fit [message #84224] |
Wed, 12 May 2010 13:43 |
Larry
Messages: 2875
Registered: January 2004
Location: Menomonie, WI
Karma: 10
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When I did re-greasing of the front bearings, I replaced the seals with the correct seal. (National #5123) During the install I found that while the inner lip on the 5123 was correct, the seal itself was not a friction fit into the knuckle. The seals were about .002 to small for the knuckle, so they actually spun in the knuckle. It was a Saturday afternoon and I did not want to wait until sometime on Monday to get new (exchange) seals that likely would have the same fit problem. After talking with Dave Lensi some, I decided to try using a muffler expansion tool to make the seal slightly larger for a friction fit. I expanded them approx. .004 for a -002 fit.
FWIW, here are some pics of that process.
HTH someone.
http://www.gmcmhphotos.com/photos/showgallery.php?cat=5446
Larry 
78 Royale w/500 Caddy
Menomonie, WI.
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