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01-18-2023, 06:07 PM | #1 |
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Location: Gonzales, LA
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Throw out bearing noise
I am getting a noise when I am engaging the clutch. I have taken a video and you'll see its when the throwout bearing is first coming in contact with the PP fingers. Once the bearing is full engaged, it is quiet. It is only when the initial contact is made, prior to any inward movement of the fingers.
Do I have something out of adjustment, or a bigger problem? I have just put in this 59ab and 39 tranny. The old 33 tranny and 35 motor were quiet when engaging the clutch. Here is a video: https://www.youtube.com/shorts/KfJzQBMrVhs
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Brad Williamson |
01-18-2023, 06:28 PM | #2 |
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Re: Throw out bearing noise
Brad, That sounds like a TO bearing in the midst of failure.
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01-18-2023, 06:38 PM | #3 |
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Re: Throw out bearing noise
That would be a bummer since it is a new bearing from Mac VP.
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Brad Williamson |
01-18-2023, 06:47 PM | #4 |
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Re: Throw out bearing noise
I have found many of the new bearings are poop. I won't use one, period.
NOS or NORS are the only bearings I will use.
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01-18-2023, 07:08 PM | #5 |
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Re: Throw out bearing noise
I wonder if it's hitting one finger before the other two. It looks like it shakes the T.O. assembly as it just touches the finger. It doesn't sound like a bearing noise to me. Did you happen to measure the finger heights when installing the clutch? Maybe you can see enough through the inspection hole to check...
Terry
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01-18-2023, 08:29 PM | #6 | |
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Re: Throw out bearing noise
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01-18-2023, 08:29 PM | #7 |
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Re: Throw out bearing noise
The motor is a turn key from H&H so the clutch and pressure plate were installed by them.
In person it does sound like the fingers hitting against the bearing before it fully engages. Once it’s fully engaged it quiet. Sent from my iPhone using Tapatalk
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01-18-2023, 09:37 PM | #8 |
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Re: Throw out bearing noise
After further inspection, it appears that one of the fingers is farther back than the other two. It's hard to be completely sure working through the small inspection hole. Could it be that two of the fingers engage before the 3rd and that may be what is causing the noise?
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01-18-2023, 10:17 PM | #9 | |
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Re: Throw out bearing noise
Quote:
Yes, it could be.The fingers should be very close to the same height. Certainly worth investigating although the process may well involve removing things you'd rather not have to remove . At least the parts are clean. (small consolation). Terry
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"It don't take but country smarts to solve the problem" (Smokey Yunick) '41 Merc Town Sedan / 260" 8CM engine '66 Fairlane four door / "warmed up" 302 |
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01-18-2023, 10:29 PM | #10 |
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Re: Throw out bearing noise
I have been through this. Check this thread out, especially post # 16 : https://www.fordbarn.com/forum/showt...highlight=shim.
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01-18-2023, 10:29 PM | #11 | |
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Re: Throw out bearing noise
Quote:
Remember the Shell answer man with the white lab coat that had an answer for every car problem. I have yet to meet a real mechanic like that guy. I've worked with some brilliant mechanics, and they all had weird problems kick their butts. No matter how long you work on this stuff you will see things. you have never seen before. I almost hate to give advice because I know that there is a good chance, I might be wrong even with 30-years of doing this every day for a living. I don't want to cause somebody unnecessary work and money. The best thing you can do is get as many ideas from as many people as you can and see what makes the most sense to you. |
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01-18-2023, 10:31 PM | #12 |
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Location: Shelton, WA
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Re: Throw out bearing noise
I have posted this before, but I had a brand new named brand T.O. bearing last 7 miles before it sounded like a coffee can full of ball bearings. Like Kube, I now won't install a NEW manufactured one.
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01-18-2023, 10:59 PM | #13 |
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Re: Throw out bearing noise
Thanks Tubman for pointing me to that post. very informative.
I just got this car back on the road after waiting a year for the new motor. Man I really don't want to take this thing apart again. If the noise is just the unevenness of the fingers and by the time there is any movement of the clutch, the fingers are all engaged so that the clutch is disengaging the flywheel evenly, is there any major damage that can be done here? I am asking out of ignorance, and out of genuine disgust at the thought of pulling the engine or dropping the rear end and pulling the transmission.
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01-19-2023, 07:45 AM | #14 |
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Re: Throw out bearing noise
Brad, I can't see any major damage resulting from this situation especially if you monitor it for any increased noise or symptoms. Any real damage that might occur will be to parts that are already defective so running it,at least as long as you're willing to put up with the noise, is likely ok. I'd keep a close ear on it though, and stop if anything gets worse. The fact that the bearing is quiet when the clutch pedal is fully depressed is a good sign. I understand not wanting to take it back apart...not a lot of fun.
Terry
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"It don't take but country smarts to solve the problem" (Smokey Yunick) '41 Merc Town Sedan / 260" 8CM engine '66 Fairlane four door / "warmed up" 302 |
01-19-2023, 04:54 PM | #15 |
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Re: Throw out bearing noise
I’m not sure when you purchased the bearing from us but we’ve been selling mostly the BCA bearings that were made in the USA. we’ve also had a few Timken and other USA made bearings come through our stock. Prior to this, our bearings were the Timken/National versions that were made in their plant in Mexico. I’ve been very happy with the BCA bearings. It’s always possible for a defective bearing to make it out into the field but I rarely see that from the afore mentioned sources. The fact that it’s only making the noise when it first comes into contact with the pressure plate does suggest a problem with the fingers of the plate being out of spec. Certainly, if our bearing is defective we’ll replace it under warranty. Can you advise when you purchased it from us?
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01-19-2023, 06:15 PM | #16 |
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Re: Throw out bearing noise
I've had bearings that made noises but not that noise. I would suspect finger height adjustment rather than faulty bearing. The bearing is silent once seated on the fingers. A bad bearing makes a different noise , and does it all the time the clutch is released. (foot on the pedal).
Coincidentally this is what a bad bearing sounds like: https://youtu.be/PC_1gKwSrZE |
01-19-2023, 07:44 PM | #17 |
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Location: Pahrump, NV
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Re: Throw out bearing noise
Perhaps there is a reason auto manufacturers discontinued using Borg/Beck and Long clutches many years ago. When my old clutch gave up (yes because of the fingers out of adjustment) I went to a diaphragm style. Centerforce has complete assemblies (flywheels, pressure plates and discs) for our old fords. .
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01-19-2023, 08:18 PM | #18 |
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Posts: 548
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Re: Throw out bearing noise
I wonder, instead of a bad throwout bearing, do you have a worn bearing hub, or snout, or both? When the bearing first engages, maybe the catch causes vibration on a worn or poorly fitted hub on the snout. That tolerance should be pretty tight with hardly any play.
JB |
01-19-2023, 11:22 PM | #19 | |
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Re: Throw out bearing noise
Quote:
The bearing was bought within the last year. I do not think it is the culprit. You have been excellent to deal with. We have spoken on the phone several times and you have also helped me through several problems via email. I appreciate all of your help and have no doubt you will stand behind anything you sell. Thanks for your input! Brad
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01-19-2023, 11:28 PM | #20 | |
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Re: Throw out bearing noise
Quote:
I think the bearing is contacting two fingers and the third is just grazing the bearing until it is pushed a little farther in. I don't see any clutch disc movement until well after all three fingers are contacted. Also there is no other noise or vibration past the initial noise that is present in the video. Other than that noise, it behaves like a normal clutch should.
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