ConcoursMustang Forums
Restoring - General discussions that span across many different groups of years and models => Drivetrain => Topic started by: ruppstang on August 26, 2011, 11:19:26 PM
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We discovered a leaking rear Axel seal on my sons 67 289 GTA before the Des Moines MCA national. I pulled it apart and discovered a poorly installed seal. I installed a new one thinking that is the end of that problem. I looked at it tonight and it is still leaking. Do I need to use some silicone around the outside of the seal? Marty
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i have seen seals wear a groove into the axle. i usually put a light smear of sealer on the outer portion of the seal before installation. were the axle bearings checked too??
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The seal should come with a coating that works as a sealant against the housing - agree with the previous poster, look towards axle wear. Not sure if they make one for your specific application but they use to sell a sleeve that you could place over the axle to make up for the wear or groove.
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Somtimes the garter spring on the seal can pop off when driving in the seal. It will cause a leak. We always pack some heavy grease on the spring before installation to keep it in place.