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Old 05-15-2022, 03:18 PM   #1
shew01
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Default Car Parts Store Replacement Part for Rear Wheel Grease Seal

I’d like to repack my rear wheel bearings this weekend, but I forgot to order replacement grease seals from my Model A parts vendor. Does anyone know of a replacement part number that I could use at Advance Auto, AutoZone, NAPA, etc. to find a suitable replacement part?


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Old 05-15-2022, 03:43 PM   #2
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Default Re: Car Parts Store Replacement Part for Rear Wheel Grease Seal

If you're just repacking the rear wheel bearings and the seals are not leaking, why not re-use them?

Try: Timken or National #450096
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Old 05-15-2022, 03:53 PM   #3
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Default Re: Car Parts Store Replacement Part for Rear Wheel Grease Seal

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If you're just repacking the rear wheel bearings and the seals are not leaking, why not re-use them?

Try: Timken or National #450096

The last time I repacked the rear wheel bearings, I tore up the grease seals getting them out. So, I replaced them. I wouldn’t be surprised if I tear them up again.

Thanks for the part number. I’ll check it out.


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Old 05-15-2022, 04:15 PM   #4
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Default Re: Car Parts Store Replacement Part for Rear Wheel Grease Seal

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If you're just repacking the rear wheel bearings and the seals are not leaking, why not re-use them?

I’m curious. How do you remove the grease seals without tearing them up?


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Old 05-15-2022, 05:10 PM   #5
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Default Re: Car Parts Store Replacement Part for Rear Wheel Grease Seal

You can grease without removing the drum. Your car has grease fittings on the ends of the axle housings to grease the rear hub bearings, just don't overdo. To remove the seal without damage drop the drum squarely on a piece of plywood and the bearing will push the seal out. remember to remove the snap ring.
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Old 05-15-2022, 06:24 PM   #6
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Default Re: Car Parts Store Replacement Part for Rear Wheel Grease Seal

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You can grease without removing the drum. Your car has grease fittings on the ends of the axle housings to grease the rear hub bearings, just don't overdo. To remove the seal without damage drop the drum squarely on a piece of plywood and the bearing will push the seal out. remember to remove the snap ring.
I would sure like to see a demonstration of dropping the hub on a plywood piece to have the bearing push the seal out. The seals I have taken out are way to tight for a bit of inertia and the weight of a bearing to push out. I have destroyed any rear wheel seal I have had to remove.
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Old 05-15-2022, 06:43 PM   #7
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Default Re: Car Parts Store Replacement Part for Rear Wheel Grease Seal

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You can grease without removing the drum. Your car has grease fittings on the ends of the axle housings to grease the rear hub bearings, just don't overdo. To remove the seal without damage drop the drum squarely on a piece of plywood and the bearing will push the seal out. remember to remove the snap ring.

The last time I removed the grease seals for repacking, I started by dropping the wheel on concrete to let inertia to force the bearing out, and it marked up my garage floor with drop marks. So, I ended up digging seals out, which rendered them non re-usable.

I know there are grease fittings on the back of the plate, but I’ve never noticed fresh grease around the bearings.


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Old 05-15-2022, 06:52 PM   #8
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Default Re: Car Parts Store Replacement Part for Rear Wheel Grease Seal

The last time I removed those seals they looked like figure 8's. They were TIGHT!
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Old 05-15-2022, 07:34 PM   #9
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Default Car Parts Store Replacement Part for Rear Wheel Grease Seal

Yeah, mine were really tight. I was slamming that wheel on the concert with all my might, and they were not coming out.


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Old 05-15-2022, 07:36 PM   #10
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Default Re: Car Parts Store Replacement Part for Rear Wheel Grease Seal

Some parts never budge no matter how much begging and using colorfull words. then you need to destroy to re-new, Electrolosis and rust makes for stubborn parts. While the drums are off try pumping some grease in the rear hub zerks and see what happens.
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Old 05-15-2022, 07:48 PM   #11
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Default Re: Car Parts Store Replacement Part for Rear Wheel Grease Seal

"You can grease without removing the drum. Your car has grease fittings on the ends of the axle housings to grease the rear hub bearings, just don't overdo. "

If the seals in the axle housing are bad the grease will go toward the ring gear instead of the Axle bearing.
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Old 05-15-2022, 11:09 PM   #12
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Default Re: Car Parts Store Replacement Part for Rear Wheel Grease Seal

The grease will take the path of least resistance. A good restoration will have the seals working as they should.
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Old 05-16-2022, 05:04 AM   #13
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Default Re: Car Parts Store Replacement Part for Rear Wheel Grease Seal

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"You can grease without removing the drum. Your car has grease fittings on the ends of the axle housings to grease the rear hub bearings, just don't overdo. "

If the seals in the axle housing are bad the grease will go toward the ring gear instead of the Axle bearing.
The grease fittings at the end of axle housings are so useless, that Ford removed them in 1931.

Last edited by brokenspoke; 05-16-2022 at 05:05 AM. Reason: spell
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Old 05-16-2022, 05:40 AM   #14
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Default Re: Car Parts Store Replacement Part for Rear Wheel Grease Seal

So if you want to grease the hub bearings just remove the hub and drum and pack more grease in you can do that with the seals in. Just take two fingers and pick more grease into the bearings with the hub seals in. There is no need to remove the seals to add grease to them.

Please all… Do NOT drop your drums. That is crazy . Steel drums could bend, cast iron drums break, and the seals unless super loose won’t come out anyway. TRue the rear axle fitting is pretty useless. Just add as describes above. Make sure your retorque axle to 100-150 lb ft pounds. Keys should be good and fit snugly . If not you have an axle fix and replacement job to do.

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Old 05-16-2022, 04:42 PM   #15
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Default Re: Car Parts Store Replacement Part for Rear Wheel Grease Seal

Larry you are right about adding grease, but when I said drop the drum I did state to do it squarely and on a piece of plywood. Doing it that way won't bend or break anything. All the rear hub seals I have removed came out ok this way. Yes some may have rusted or canted seals that won't budge, but it is worth a try.
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Old 05-16-2022, 05:37 PM   #16
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Default Re: Car Parts Store Replacement Part for Rear Wheel Grease Seal

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Originally Posted by shew01 View Post
I’d like to repack my rear wheel bearings this weekend, but I forgot to order replacement grease seals from my Model A parts vendor. Does anyone know of a replacement part number that I could use at Advance Auto, AutoZone, NAPA, etc. to find a suitable replacement part?


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So, no one has come up with an alternative for those seals. Maybe you'll just have to delay doing the job till you can order the correct seals. BTW, I agree with those who say you can't remove them without destroying them. I have a tray on the shelf with all sorts of bits and pieces for different major components. For the rear end tray, I always have a pair of seals and as soon as I use them, I replace them. As soon as they come out of the tray, I write them on a clip board I hang on the wall.
I do not just add grease to the bearing without taking it apart, cleaning and inspecting it. I have yet to see an original hub that I would use again. They wear through the hardening at the axle nut end. Once they are at that point, you are in danger of breaking an axle. Think about it.
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Old 05-16-2022, 07:27 PM   #17
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Default Re: Car Parts Store Replacement Part for Rear Wheel Grease Seal

I would assume that your rear bearings don't have many miles on them since the last time you greased them, they were new. Take Larry's advice and clean the bearings and repack them.
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Old 05-17-2022, 12:23 AM   #18
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Default Re: Car Parts Store Replacement Part for Rear Wheel Grease Seal

I found the local seals quite a bit more then from the dealers.
Kind of strange, as the local throw out bearings were cheaper.
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Old 05-19-2022, 10:42 PM   #19
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Default Re: Car Parts Store Replacement Part for Rear Wheel Grease Seal

Use a seal removal tool.
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Old 05-22-2022, 08:44 AM   #20
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Default Car Parts Store Replacement Part for Rear Wheel Grease Seal

The new rear grease seals came in a few days ago, and I planned to repack the rear wheel bearings yesterday. However, I could not get the grease seal retainers out of either drum. (The last time I repacked the rear wheel bearings, I noticed that the grease seal retainers were weak; so, I replaced them with new ones. Now, I cannot get the “new,” stronger grease seal retainers out of the drums.)

I ran out of time; so, I just added grease this time around. However, I’d like to remove and repack the bearings next time around.

How can I get the stubborn grease seal retainers out of the drums?


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Old 05-22-2022, 10:20 AM   #21
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Default Re: Car Parts Store Replacement Part for Rear Wheel Grease Seal

Usually just pry under one end to get it out of the groove, then another tool to get behind it.
What style of ends are on the retainers? Square? Enlarged w/a small hole? Tapered?
IIRC the originals had tapered ends w/the ends visible so it is easier to get a pointy pry tool behind the ring.
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Old 05-22-2022, 10:38 AM   #22
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Default Re: Car Parts Store Replacement Part for Rear Wheel Grease Seal

This turned into a problem I have never heard of or encountered before. I thought we were discussing seals installed in the 1930's that were stuck from rust and neglect.
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Old 05-22-2022, 12:06 PM   #23
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Default Re: Car Parts Store Replacement Part for Rear Wheel Grease Seal

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Usually just pry under one end to get it out of the groove, then another tool to get behind it.
What style of ends are on the retainers? Square? Enlarged w/a small hole? Tapered?
IIRC the originals had tapered ends w/the ends visible so it is easier to get a pointy pry tool behind the ring.

Tapered, with no hole. By the time I get a screwdriver under the tapered end, the pressure required to do that causes the retainer to skate around the groove. I didn’t see a way to hold the retainer still—needle nose pliers didn’t help at all.


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Old 05-22-2022, 12:07 PM   #24
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Default Re: Car Parts Store Replacement Part for Rear Wheel Grease Seal

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This turned into a problem I have never heard of or encountered before. I thought we were discussing seals installed in the 1930's that were stuck from rust and neglect.

Nope. The “new” retainer is working too well.


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Old 05-22-2022, 10:27 PM   #25
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Default Re: Car Parts Store Replacement Part for Rear Wheel Grease Seal

Ok, Thought you were having trouble with the seal. You could maybe clamp a block on the hub to block the movement of the retainer.
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Old 05-23-2022, 04:25 AM   #26
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Default Re: Car Parts Store Replacement Part for Rear Wheel Grease Seal

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Ok, Thought you were having trouble with the seal. You could maybe clamp a block on the hub to block the movement of the retainer.

Hmmm… That sounds worth a try. The next time I have it apart, I plan to do that.


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