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> Old Mechanic's Trick???, Packing main seals with grease
BMartin914
post Aug 31 2005, 12:53 PM
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Does anyone pack their main (front, rear, etc.) seals with grease to help with the sealing process?

I have gotten conflicting opinions on whether or not to pack the cavity of seals with a high temperature grease before installing.

Does this help? Is it unnecessary? Just looking for some opinions. TIA.
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phantom914
post Aug 31 2005, 01:19 PM
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QUOTE (BMartin914 @ Aug 31 2005, 11:17 AM)
I ask because I recently installed a front main seal and coated the outside surface (toward impeller hub) and inside surface (that contacts the hub) with grease for help on startup. I have since been told that I should have literally filled the backside cavity with grease. It supposedly expands as the engine heats, thus providing a better seal.

I for one do not think it is necessary, but thought I'd see what others had done in the past.

The grease will just ooze out when it heats, it won't help seal. Just grease the part that contacts the shaft. As the grease wears off, engine oil will provide the lubrication. The grease is for break-in. Trust Sammy. They named a seal after him.


Andrew
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Posts in this topic
BMartin914   Old Mechanic's Trick???   Aug 31 2005, 12:53 PM
Marty Yeoman   A good coat of 140 weight gear oil works good for ...   Aug 31 2005, 12:59 PM
Sammy   Yes. Do it. Not really a pack, but a wipe should b...   Aug 31 2005, 01:01 PM
BMartin914   I ask because I recently installed a front main se...   Aug 31 2005, 01:17 PM
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