Pilot Bearing or Throw-out bearing...
#1
Senior Member
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Pilot Bearing or Throw-out bearing...
Which bearing is likely to be faulty if you hear a slight rattle-noise in the bell-housing when idling in neutral and the clutch pedal is out. (It goes away when I press the clutch pedal.) From doing a search on the forum, I don't think it is the pilot bearing, but can't find a specific forum thread, nor FAQ, that addresses the throw out bearing.
Mazdatrix mentions that "Throw-out bearing is bad if noise stops soon after clutch pedal is let up. Bearings are worn out if noise gets worse when pedal is let up."
- Don't those two sentences contradict each other? I'm confused, now. Anyway, when I let out the clutch, I hear the rattle. It just started doing this last night when I cranked it up for an evening drive after it has sat for about 2 weeks or so.
Thanks!
Mazdatrix mentions that "Throw-out bearing is bad if noise stops soon after clutch pedal is let up. Bearings are worn out if noise gets worse when pedal is let up."
- Don't those two sentences contradict each other? I'm confused, now. Anyway, when I let out the clutch, I hear the rattle. It just started doing this last night when I cranked it up for an evening drive after it has sat for about 2 weeks or so.
Thanks!
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#9
FB+FC=F-ME
Yea,neither the T/O or Pilot will be "working" when the clutch pedal is released.The T/O isnt in contact with anything,and the pilot is spinning as a solid unit.
Sounds like the tranny input bearings since the input spins anytime the clutch is released,in gear or in neutral.Could also be the clutch fork rattling on a dry pivot....
Sounds like the tranny input bearings since the input spins anytime the clutch is released,in gear or in neutral.Could also be the clutch fork rattling on a dry pivot....
#10
Hunting Skylines
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Originally Posted by steve84GS TII
Yea,neither the T/O or Pilot will be "working" when the clutch pedal is released.The T/O isnt in contact with anything,and the pilot is spinning as a solid unit.
#12
Lapping = Fapping
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I'd have to agree with Steve as well. I just completed an R&R on a white '83 GSL with over 200k on it. The tranny makes a wonderful noise in neutral. Probably bearings.
With the clutch pedal depressed, the sound goes away so I'm sure it's not the throwout bearing or pilot bearing. Another clue is all the noise in each gear up through 4th. It sounds like the funky REPU 4 speed which used to be in my rotary MG. Kind of a yahyuhyahyuh.
With the clutch pedal depressed, the sound goes away so I'm sure it's not the throwout bearing or pilot bearing. Another clue is all the noise in each gear up through 4th. It sounds like the funky REPU 4 speed which used to be in my rotary MG. Kind of a yahyuhyahyuh.
#13
Senior Member
Thread Starter
No noise when I drive it and moving through the gears; only at idle when I first started it. Once it warmed up I didnt notice it; however, it did the same thing yesterday afternoon after it had sat overnight.
Personally, I think it's the fork, too. We'll find out soon enough.
Personally, I think it's the fork, too. We'll find out soon enough.
#15
Smoov-e "Dick Like Mine"
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i have the same problem.. i have this grinding noise when the clutch is depressed.. n it goes away when the clutch is pressed.. im thinking its one of the bearings.. jsut thinking its not the clutch/ pressure plate
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