Pilot Bearing
08-18-04, 09:19 PM
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Pilot Bearing
i am putting my engine in my car this weekend, i have a 86 n/a that i just rebuilt. my question is there is a spacer seal that goes into the e-shaft after the pilot bearing do i need it and if i do how do i get that thing in there. The pilot bearing is already in i pounded it in with a deep well socket but when i try to do the same with the spacer seal it doesnt stay. also i was wondering if or how i should align my clutch.
08-18-04, 09:36 PM
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You must align your clutch disk with an alignment tool before torquing down the pressure plate, otherwise getting the tranny shaft back in there might be REAL fun...
Put the pilot bearing seal in with an appropriately-sized socket, rubber side out. It should stay put...
Put the pilot bearing seal in with an appropriately-sized socket, rubber side out. It should stay put...
08-19-04, 01:17 AM
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That's what I said, Ted- rubber out, metal in...I actually can't prove it one way or the other, but with all the garlock seals and such I've done on aircraft, and all the oil and shaft seals I've played with, it just makes more sense to go rubber out (metal in) 
08-19-04, 06:59 AM
#7
I have my transmission out for a clutch change. My pilot bearing was in little tiny pieces, except for the outershell which I had to grind out.
In all of the clutch kits I've seen, none of them offer a pilot bearing seal. I assume this seal keeps the pilot grease out of the clutch and is needed. Where is the best place to find one or is this one of those dealer only items? Thanks.
In all of the clutch kits I've seen, none of them offer a pilot bearing seal. I assume this seal keeps the pilot grease out of the clutch and is needed. Where is the best place to find one or is this one of those dealer only items? Thanks.
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08-19-04, 10:55 AM
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Stupid thing is that my engine didn't seem to ever have a pilot bearing. Either some "helpful" mechanic removed it in the past, or it didn't come from Mazda. Since I had the original clutch in the car, I would venture to say that Mazda just screwed up...No wonder I always had tranny input shaft problems....
BTW, anyone removing the bearing should do themselves a favour and rent an inner bearing puller. It will literally turn a 3 hour pain in the *** into a 3 second job.
BTW, anyone removing the bearing should do themselves a favour and rent an inner bearing puller. It will literally turn a 3 hour pain in the *** into a 3 second job.
08-19-04, 10:57 AM
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Originally Posted by trochoid
In all of the clutch kits I've seen, none of them offer a pilot bearing seal. I assume this seal keeps the pilot grease out of the clutch and is needed. Where is the best place to find one or is this one of those dealer only items? Thanks.
08-19-04, 01:23 PM
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Yes, pilot bearing is the same for all 12A, 13B.
Any auto parts store should be able to sell/loan you an alignment tool. Or you can make your own with an old transmission input shaft like I did.
Any auto parts store should be able to sell/loan you an alignment tool. Or you can make your own with an old transmission input shaft like I did.
08-19-04, 03:17 PM
#18
Banned. I got OWNED!!!
Originally Posted by demonRX-7
I need to know if there is a way to get a clutch alignment tool from like a auto parts store.
08-19-04, 04:50 PM
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Originally Posted by WAYNE88N/A
Put the pilot bearing seal in with an appropriately-sized socket, rubber side out. It should stay put...
Would it matter if it was put in metal side out?
08-19-04, 06:10 PM
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Would it matter if it was put in metal side out?
Probably not...But who knows? Think of it as installing one of our oil seals backwards (if you could)- the contact areas surrounding the e-shaft are now reversed, but would it still perform its intended function? Probably...
Probably not...But who knows? Think of it as installing one of our oil seals backwards (if you could)- the contact areas surrounding the e-shaft are now reversed, but would it still perform its intended function? Probably...
08-19-04, 08:29 PM
#23
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Heres a question, how far in does everyone's pilot bearing sit into the e-shaft. Cause I put in my new pilot bearing and the end sit flush with the e-shaft. That dont seem right to me. I'm thinking the outer race from the old pilot bearing is still in there and I'm gonna have to grind that sucker out.
08-19-04, 08:31 PM
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You want to insert it far enough to get the seal on there, but not so far that you can't get the removal tool on it in the future- so it's a "happy medium" type thing....