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> Front Brake Rotor Bearing Caps 1973, Factory/Aftermarket Seal?
Costa05
post Nov 29 2017, 05:38 PM
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Q. Do the front bearing caps (domes) have a rubber seal gasket that goes on first? If so what is the part number and where to find. seal only that is. Checked various suppliers with no luck.
Thanks in advance for any reply.
Rich
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Mikey914
post Nov 29 2017, 05:47 PM
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Found it no real information other than it exists. I do recall it now. It was basically an o ring.
Should be an ace hardware part
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914Sixer
post Nov 29 2017, 07:46 PM
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Yep, go to your local hardware store.
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Mikey914
post Nov 29 2017, 07:57 PM
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If anyone knows the size I'll bring in a crapton and make them available cheap..I can check tomorrow if no one knows.
Mark
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mepstein
post Nov 29 2017, 08:23 PM
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I wouldn’t mind an O ring for the 911 front hub. Paying $2.50 for them gets old.
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mgphoto
post Nov 29 2017, 08:24 PM
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only /4 use this 421.839.455, but the parts book has it part of the /6 assembly.
Absorbent foam rubber, used to pick up the grease slung passed the cap.
NLA years ago.
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jim_hoyland
post Nov 29 2017, 09:02 PM
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Get that VIN ?
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How does that O-ring sit; in a groove, or ??
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Mikey914
post Nov 29 2017, 09:06 PM
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My recollection is that it was a standard rubber O ring. If it is other I can still do, just might as well make it the same or better. If I recall it just sat on the base of the cap to deter crap from getting in.
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mepstein
post Nov 29 2017, 09:20 PM
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QUOTE(Mikey914 @ Nov 29 2017, 10:06 PM) *

My recollection is that it was a standard rubber O ring. If it is other I can still do, just might as well make it the same or better. If I recall it just sat on the base of the cap to deter crap from getting in.

Yep
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rgalla9146
post Nov 29 2017, 09:46 PM
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dubl
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rgalla9146
post Nov 29 2017, 09:49 PM
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It was not hard rubber.
I was softer .....and it had a seam.
Haven't seen one in years.
I fit behind the rim of the grease cap.
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mgphoto
post Nov 29 2017, 09:59 PM
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QUOTE(jim_hoyland @ Nov 29 2017, 07:02 PM) *

How does that O-ring sit; in a groove, or ??

Squashed between cap and drum section of the brake disk.
Very soft material, I may have old used examples I kept for posterity.
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Mikey914
post Nov 29 2017, 11:47 PM
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Well I know a guy that makes rubber stuff.
Just curious if the new reproduction caps have the same ridge. I'm doubting it. But please post up some pics.
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Costa05
post Nov 30 2017, 12:50 AM
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QUOTE(mgphoto @ Nov 29 2017, 10:59 PM) *

QUOTE(jim_hoyland @ Nov 29 2017, 07:02 PM) *

How does that O-ring sit; in a groove, or ??

Squashed between cap and drum section of the brake disk.
Very soft material, I may have old used examples I kept for posterity.


Yep squashed like the ones I removed in question. Attached ImageSee pic. I was just curious if they were available. Moving on without them.

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Mikey914
post Nov 30 2017, 12:19 PM
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Can you measure the thickest part? I think these could be easily made.
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Costa05
post Nov 30 2017, 02:06 PM
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QUOTE(Mikey914 @ Nov 30 2017, 01:19 PM) *

Can you measure the thickest part? I think these could be easily made.


I will tonight when I get home. They are pretty ragged but I should be able to get it for you.
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Mikey914
post Nov 30 2017, 02:31 PM
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Thanks,
Just trying to determine the original thickness as best as possible.
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11tenths
post Nov 30 2017, 04:14 PM
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Ve get too soon old, und too late schmart
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Wow, never knew these existed. Maybe it'll help make removal of
those caps a little easier.
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Costa05
post Nov 30 2017, 09:48 PM
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QUOTE(Costa05 @ Nov 30 2017, 03:06 PM) *

QUOTE(Mikey914 @ Nov 30 2017, 01:19 PM) *

Can you measure the thickest part? I think these could be easily made.


I will tonight when I get home. They are pretty ragged but I should be able to get it for you.


3 mm would be a good guess. It is kind of a foamy rubber material if that matters. I would be more than happy to send them to you for your archival R & D division. (IMG:style_emoticons/default/biggrin.gif). Headed to the trash otherwise. (IMG:style_emoticons/default/beerchug.gif)

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mgphoto
post Dec 11 2017, 05:07 PM
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Ok found mine, 3 old ones and a new one that broke while trying to fit it, old stock adhesive gave up.

4 mm cross section 153 mm long, it is made of foam rubber with a smooth surface, older ones have grease residue. New is smooth and clean.



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