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Mason Jones Member 
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While replacing the calipers I decided to replace the bearings as well. When I pulled the left hub I saw that the inner grease seal had a couple of layers of metal shaved off of it. Looking at the base of the spindle there is a metal "shroud" or "flange" (not sure what to call it) that was rubbing on the seal. When I reassembled the hub with new bearings and seal, the new seal seemed to bump that "flange" and will not go on all the way.  I'm pretty sure I pressed the races and the seal all the way in. I took the right hub off to compare and it does not have this metal flange.  As a test I put the left hub on the right side and it goes right on no problem. Tightens up and spins smoothly. So my question is, what is this metal thing on the lefthand side and can I just remove it? |
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Jensen Healey Super Moderator 
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Look at the parts you removed and make sure they match what you're replacing them with. If you check the parts diagram on the Delta Motorsports website there is a difference in the pre Jan '74 and post Jan '74 parts list. Look at parts 13, 14, and 15. http://www.deltamotorsports.com/products/pg9a-front-hub-and-disc-brake.html I think you have one of each. Kurt |
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Mason Jones Member
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So, if I understand the diagram correctly the post-74s do not have part 13 (oil seal inner shield) and part 15 is different on post-74s. The new seal I got from Delta is a one-piece metal seal with a rubber ring in the center, pretty standard looking. It matches the diameter of the original but is thicker. But it's hard to be sure since the original seems to be ground down from rubbing on the mystery piece attached to the base of the axle stub on my car. Both the original and replacement are one-piece and not 3 pieces like parts 13-15 that I see in the diagram. I called Delta for clarification and they seemed to agree that I have a mix of parts on my car. So I guess I'll remove the mystery piece from the axle stub and I should be OK. It bugs me that the part isn't even shown on the diagram but as long as it works! |
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Art DeKneef Member
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It's been a year since I rebuilt the front suspension so things may be a little fuzzy. But when I took things apart I saw the same piece of metal you did. When I took everything to Delta to make sure I was getting the correct parts I asked Jim about that piece of metal and he said it wasn't needed any more. Don't remember the reason but I think it was due to the new seal. I got the inner and outer bearing plus the Nilos seal. There were specific instructions for installing the seal. Art |
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Mason Jones Member
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Thanks guys for the info. I removed the metal piece and the hub went on with no interference. As a side note Delta was out of the Nilos and sent me what looks like a fairly standard seal with the rubber ring in the center. Part # on the invoice is JEN-94210. With that metal piece gone the seal works. Mason |
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Jim Picot Member
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I just pulled apart both my front hubs, and found the same flared shield on the left side, along with a small oil seal, but a larger oil seal only on the right side. Like Mason, my car seems to have a mix of both. I'm wondering if this was common, for Jensen to put the two different types on the same car? Mine is 18024, built Aug/Sep 1974. The odd shield could be part 93241 for pre-Jan 1974 cars, although the drawing in the parts catalog looks a bit different. I'm assuming that a new seal, part no 94210 for post-Jan 1974 cars will fit both sides, along with the collar 94213. |
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francisg Member
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Help, I am looking for the Nilos part number usually stamped on the seal outer surface. Thanks FG |
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francisg Member
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Help, I am looking for the Nilos part number usually stamped on the seal outer surface. Thanks FG |
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pearst Member
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francisg wrote:Help, I am looking for the Nilos part number usually stamped on the seal outer surface. Thanks One one side it says "V-ring V-38" On the other side it says "Fo 3958- 9 PAT" Attachment: oil seal 1.JPG (Downloaded 114 times) |
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Brett Gibson JH5 20497 Member
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The oil seal is a standard seal CR (Chigago Rawhide) #14857. Brett |
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