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Old 04-07-2011, 05:14 PM   #1
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Wheel bearings- use Permatex??

I'm getting ready to repack my wheel bearings and I decided to read the Dexter manual that came with my Safari to confirm the grease specs. It mentions using Permatex sealant when installing the grease seals (on the metal outside where it sits in the hub).

I've never heard of that and think that nobody probably does it - but do you???
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Old 04-07-2011, 05:17 PM   #2
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Never heard of any recommendation for any hub I've ever packed. I suppose it could reduce the traces of grease that tends weep out between the seal and hub, but I don't think it is worth the effort.
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Old 04-07-2011, 05:28 PM   #3
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probably makes it difficult to remove next time.
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Old 04-07-2011, 05:48 PM   #4
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i've never used Permetex, but maybe if exposed to a lot of water, like boat trailer, it would be beneficial.
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Old 04-07-2011, 06:51 PM   #5
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Contact Dexter

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Originally Posted by Wayne&Sam View Post
I'm getting ready to repack my wheel bearings and I decided to read the Dexter manual that came with my Safari to confirm the grease specs. It mentions using Permatex sealant when installing the grease seals (on the metal outside where it sits in the hub).

I've never heard of that and think that nobody probably does it - but do you???
Why not send Dexter an email and ask for the reason behind the recommendation?

Dexter has been very good about answering my inquires.
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Old 04-07-2011, 07:08 PM   #6
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Thanks for the replies.
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Old 04-07-2011, 11:49 PM   #7
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Quote:
Originally Posted by Wayne&Sam View Post
I'm getting ready to repack my wheel bearings and I decided to read the Dexter manual that came with my Safari to confirm the grease specs. It mentions using Permatex sealant when installing the grease seals (on the metal outside where it sits in the hub).

I've never heard of that and think that nobody probably does it - but do you???
Hi, several decades ago, the use of glues on seals was eliminated because they started making seals with a type of paint that did the job for you. If your wheel bearing seals are bare metal, then use some type of sealant on them. The seals in this picture do not need any glue or sealer on them.
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Old 04-08-2011, 05:05 AM   #8
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Ah, hence the blue color of the bearing case. I guess they put that in the manual incase you buy cheapo bearings. Thanks.
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Old 04-08-2011, 05:46 AM   #9
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I started doing that after finding a seal that had either worked out of the hub or popped loose as I pulled the drum.. Certainly no harm in doing it. There would not be any relation between the quality of the bearings and retaining the seal
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Old 04-08-2011, 06:00 AM   #10
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There would not be any relation between the quality of the bearings and retaining the seal
I meant that a cheaper seal may not have the sealant already on it.
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