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Pilot Bearing going bad?

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Old 08-12-2009, 07:37 AM   #1
ScorpiuS
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Default Pilot Bearing going bad?

Ok, been doing some research but I have this loud squeeking/squeeling noise when my car is at idle, than as soon as I press in on my clutch it goes completely silent and sounds normal, but as soon as I let off starts again. It appears to be Pilot Bearing. Is it bad to drive on a bad pilot bearing? I've already been driving on it for a couple months just seams to get louder now, but I can shift and everything drives normal just really annoying. I'm just strapped for cash right now and can't afford new clutch pluss install cuz I am sure I can't change out a clutch, it is my dd. Also do new clutch's come with new t/o bearing and Pilot bearings?
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Old 08-12-2009, 08:22 AM   #2
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TOB (Throw Out Bearing) its quite common in the Mustang world.
There is plenty of info on the forum about the TOB.
You can just replace the TOB but if your clutch has been in your Stang for a long time it better to replace the clutch with TOB while you have it apart.

Clutch kit usaly come with the TOB, some come with pilot bearing but not to many.
For me when its that time Im going with all Ford OEM parts.
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Old 08-12-2009, 08:26 AM   #3
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I believe you have the pilot bearing and throw out bearing mixed up. The pilot bearing is pressed into the crankshaft, and the throw out bearing slides on the input shaft of the trans, and that is what your noise is most likely coming from. It goes away when you apply tension on the clutch cable, which in turn puts pressure on the shift fork and then the t/o bearing. You can replace just the throw out bearing, but the trans has to come off the motor. Make sure you buy a Ford t/o bearing, and not aftermarket
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Old 08-12-2009, 08:32 AM   #4
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Ok ya I think I do have it mixed up, because initially I thought it was TOB but I some other people listen to it in person and some thought that TOB would be noisy when my clutch is engaged, but the noise goes silence when I push on or engage the clutch?? Well if if it's a bad T/O bearing is it ok to drive on it for a while as well, either way looks like I'm probably going to need to be buying a new clutch...
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Old 08-12-2009, 08:53 AM   #5
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Yea I've seen people drive on noisey TOBs for ever... Hell I've done it for a few months. My buddy is doin it right now. Whenever he idles it sounds like birds chirping
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Old 08-12-2009, 09:10 AM   #6
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Ya thats exactly what mine sounds like real chirping like noise seams like its just got progressively louder its so annoying, I don't even have to barely touch the clutch and it will go silent. Like sometimes when I'm at a drive thru or something I'm embarrassed by it and touch the clutch a lil to silence the damned thing!
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Old 08-12-2009, 09:12 AM   #7
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Sounds like bearings inside the trans and not the TO bearing.

My old T-3650 had the same noise issues and this was the cause. Pressing the clutch to the floor should increase the noise, not reduce it. Afterall, the bearing should not be spinning at all when the clutch is out and cable is adjusted properly.

The TOB in the Mustang was designed to be continually rotating, so it may be spinning even if the clutch is out.

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EDIT: You guys type too fast, now I am not sure

Last edited by Jazzer The Cat; 08-12-2009 at 09:16 AM.
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Old 08-12-2009, 09:40 AM   #8
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Quote:
Originally Posted by Jazzer The Cat View Post
Sounds like bearings inside the trans and not the TO bearing.

My old T-3650 had the same noise issues and this was the cause. Pressing the clutch to the floor should increase the noise, not reduce it. Afterall, the bearing should not be spinning at all when the clutch is out and cable is adjusted properly.

The TOB in the Mustang was designed to be continually rotating, so it may be spinning even if the clutch is out.

Jazzer

EDIT: You guys type too fast, now I am not sure
Ok now I'm afraid...cuz this is what the guys that were listening were saying as a possibility rather than a T/O bearing. :S
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Old 08-12-2009, 10:00 AM   #9
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Its the TOB...

Jazzer, if it were bearings in the trans, why would they be noisey at idle, when the car is stationary? The trans only spins when the tires are spinning
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Old 08-12-2009, 10:18 AM   #10
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Ok well thanks so much for the insight, anyone know what the cost averages on a clutch replacement at most shops. Prob quite a bit is what I'm thinking and not looking forward to it.
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Old 08-12-2009, 10:38 AM   #11
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Well Ford's warranty time is 2.3hrs for R+I trans, and .3hrs for clutch replacement. So customer pay your looking at ~5-6hrs labor. Standard Ford shop rate is about 95-97$ an hour. I cant tell you what an independent shop will charge, but it will be close. So figure 500$ in labor plus parts..
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Old 08-12-2009, 10:53 AM   #12
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Wow thank for all your detailed knowledge WhiteFoxGT! Thats kinda what I figured guess I'm gonna have to ride on the squeeky thing for a while longer
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Old 08-12-2009, 12:46 PM   #13
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Quote:
Originally Posted by WhiteFoxGT View Post
Its the TOB...

Jazzer, if it were bearings in the trans, why would they be noisey at idle, when the car is stationary? The trans only spins when the tires are spinning
Actually, some of the internals of trans are spinning while the trans is in neutral because the input shaft is engaged.

I began to second guess myself upon reading the chirping mentioned, but didn't see that post untill after my own. When my bearings were going out, it was a sort of grinding sound and was ultimately diagnosed by my tuner on the dyno. He was able to hear it from under the car under heavy load. I decided to make lemonaid and install a T-56 #1260, as I always hated the HUGE gap between 4th~5th gears and low 1st gear. I have a sticky in this section.

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Old 08-12-2009, 07:59 PM   #14
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Ok well thanks for all the replies. I'm pretty sure this has nothing to do with the issue but for some reason for the first time ever today when I got into my car the needle just stayed buried at 0. When I started to drive it never moved, finally after about 5 minutes it started jumping around. Than I stopped and it literally jumped up too 100mph while I was in neutral!! The car seamed to idle a lil strange but not too out of the normal, anyone have a quick suggestion on what in the world is probably happening now? guhh
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Old 08-12-2009, 08:03 PM   #15
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Sounds like an electrical issue as this is how the speedo is moved. As to why... I have no idea, sorry
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Old 08-12-2009, 08:35 PM   #16
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Well thanks for the quick reply Jazzer, my car has been perfect since I've had her now all this happening at once
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Old 08-13-2009, 10:48 AM   #17
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It's still doing it today, it seams strange cuz I have no other electrical problems with the car and none of the other guages move, and it happened right around same time as this t/o bearing deal escalated it seams. These are linked in any ways or the tranny possibly?
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Old 08-13-2009, 06:06 PM   #18
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The chirping sounds like TOB as stated above since it goes away when you push in the clutch. I have the same problem with my aftermarket one FTL. The speedo being funky and bouncing around looks like a speed sensor issue or maybe the connector/wiring to it.
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Old 08-13-2009, 06:18 PM   #19
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Quote:
Originally Posted by ScorpiuS View Post
Ya thats exactly what mine sounds like real chirping like noise seams like its just got progressively louder its so annoying, I don't even have to barely touch the clutch and it will go silent. Like sometimes when I'm at a drive thru or something I'm embarrassed by it and touch the clutch a lil to silence the damned thing!
HAHAHA I did the same thing when mine TOB was going out. Mine when out right after I bought my car. I drove it for about 6 months before i finally replaced it. I bought the ford racing clutch kit and it came with everything including the pilot and TO bearings. If you can deal with the annoying sound, you should be able to drive it for awhile. I would advise that you get it fixed as soon as you can afford to. It will save some sanity. Good luck though!
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Old 08-14-2009, 12:02 PM   #20
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You're clutch will go out soon. On easter I was cruzzin, heard the noise and smoke came out behind the motor by the transmission and I was like wtf! My clutch went out, literally out of the blue. I heard the noise for a while as well but didn't know what it was and all of a sudden my clutch gave out. Took her home going from 1st-3rd-5th gear..lol
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Old 08-14-2009, 12:02 PM
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