The Ford Barn

mkmskm · 10-31-2010, 04:31 PM

Part way through a tour this weekend my car starting to make a scraping noise from the transmission area when at a stop with the clutch in and the car in gear. If the clutch is out and you are driving, its fine. If the clutch is in and the car is in neutral, its fine - BUT if the clutch is in and the car is in any gear then there is a scrape, pause, scrape, pause that will increase with engine RPM. Ideas?

JoeWay · 10-31-2010, 04:58 PM

Some problem with the clutch disc, I'd say. When the clutch is in and the trans is in neutral, the disc is free to follow the flywheel/pressure plate. When the trans is in gear, the disc is held stationary and the flywheel/pressure plate revolve around it. Maybe a spring has come loose on one end, or the rivets have come out of the facing at one point.

You might be able to see the problem through the inspection plate.

Joe

J Franklin · 10-31-2010, 05:03 PM

maybe front transmission bearing? Or if the pilot bearing is dragging it could turn the input shaft a bit.

RichPA · 10-31-2010, 05:16 PM

If it only happens when in gear and the car is stopped, the input shaft is not turning.The pilot bushing or bearing is at this point spinning around the stub of the input. So its either the pilot or as mentioned the disc is comming apart and scraping the flywheel or PP.

Tom Endy · 10-31-2010, 06:13 PM

I would suspect a worn out or dry throw-out bearing.

Tom Endy

tuneman · 10-31-2010, 07:03 PM

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May be a throw-out bearing? But i had a clutch disc that did just about the same thing. It was starting to come apart and the springs were rubbing and making noise! I would open the inspection cover and check with the engine running. But be safe , maybe put the rear on stands and check it in gear

RichPA · 10-31-2010, 07:49 PM

I would think a throwout bearing would make noise whenever the pedal is applied, he said its only noisy in gear.

gbaker · 11-01-2010, 06:57 AM

Mine idid something similar. Turned out to be the ring gear had worked itself part of the way off.

mkmskm · 11-01-2010, 08:14 AM

Well I had planned to pull the steering out this fall and have it rebuilt since it has more slop that I like so I guess I'll just pull the transmission too and peak inside to see what it up.

bogdonj · 11-01-2010, 09:14 AM

Our tranny makes the same noise, It's the front shaft bearing! does the noise somewhat go away when you let off the gas?

mkmskm · 11-01-2010, 10:37 AM

Nope. It slows down but sounds like my cat scratching on the door. Its engine rpm dependent and goes away if the car is out of gear or the clutch is engaged in gear but it the clutch is depressed and its in gear (any gear) you hear the noise.

Tom Wesenberg · 11-01-2010, 10:44 AM

Sounds like it must be the pilot bearing, or maybe a clutch plate spring.

10-31-2010, 04:31 PM	#1
mkmskm Senior Member Join Date: Aug 2010 Location: Kansas City Posts: 202	Odd Transmission Noise Part way through a tour this weekend my car starting to make a scraping noise from the transmission area when at a stop with the clutch in and the car in gear. If the clutch is out and you are driving, its fine. If the clutch is in and the car is in neutral, its fine - BUT if the clutch is in and the car is in any gear then there is a scrape, pause, scrape, pause that will increase with engine RPM. Ideas?

10-31-2010, 04:58 PM	#2
JoeWay Senior Member Join Date: May 2010 Location: Quincy CA Posts: 752	Re: Odd Transmission Noise Some problem with the clutch disc, I'd say. When the clutch is in and the trans is in neutral, the disc is free to follow the flywheel/pressure plate. When the trans is in gear, the disc is held stationary and the flywheel/pressure plate revolve around it. Maybe a spring has come loose on one end, or the rivets have come out of the facing at one point. You might be able to see the problem through the inspection plate. Joe __________________ 1929 Tudor since 1962 Feather River A's

10-31-2010, 05:03 PM	#3
J Franklin Senior Member Join Date: May 2010 Location: Oregon Posts: 5,963	Re: Odd Transmission Noise maybe front transmission bearing? Or if the pilot bearing is dragging it could turn the input shaft a bit.

10-31-2010, 05:16 PM	#4
RichPA Senior Member Join Date: Sep 2010 Location: rowland PA Posts: 186	Re: Odd Transmission Noise If it only happens when in gear and the car is stopped, the input shaft is not turning.The pilot bushing or bearing is at this point spinning around the stub of the input. So its either the pilot or as mentioned the disc is comming apart and scraping the flywheel or PP.

10-31-2010, 06:13 PM	#5
Tom Endy Senior Member Join Date: May 2010 Location: Southern California Posts: 3,131	Re: Odd Transmission Noise I would suspect a worn out or dry throw-out bearing. Tom Endy

10-31-2010, 07:03 PM	#6
tuneman Senior Member Join Date: May 2010 Posts: 264	Re: Odd Transmission Noise Sponsored Links (Register now to hide all advertisements) May be a throw-out bearing? But i had a clutch disc that did just about the same thing. It was starting to come apart and the springs were rubbing and making noise! I would open the inspection cover and check with the engine running. But be safe , maybe put the rear on stands and check it in gear

10-31-2010, 07:49 PM	#7
RichPA Senior Member Join Date: Sep 2010 Location: rowland PA Posts: 186	Re: Odd Transmission Noise I would think a throwout bearing would make noise whenever the pedal is applied, he said its only noisy in gear.

11-01-2010, 06:57 AM	#8
gbaker Junior Member Join Date: Jun 2010 Location: Lexington Ky Posts: 9	Re: Odd Transmission Noise Mine idid something similar. Turned out to be the ring gear had worked itself part of the way off.

11-01-2010, 08:14 AM	#9
mkmskm Senior Member Join Date: Aug 2010 Location: Kansas City Posts: 202	Re: Odd Transmission Noise Well I had planned to pull the steering out this fall and have it rebuilt since it has more slop that I like so I guess I'll just pull the transmission too and peak inside to see what it up.

11-01-2010, 09:14 AM	#10
bogdonj Senior Member Join Date: Aug 2010 Location: Walkerton, Ont. Canada Posts: 623	Re: Odd Transmission Noise Our tranny makes the same noise, It's the front shaft bearing! does the noise somewhat go away when you let off the gas?

11-01-2010, 10:37 AM	#11
mkmskm Senior Member Join Date: Aug 2010 Location: Kansas City Posts: 202	Re: Odd Transmission Noise Nope. It slows down but sounds like my cat scratching on the door. Its engine rpm dependent and goes away if the car is out of gear or the clutch is engaged in gear but it the clutch is depressed and its in gear (any gear) you hear the noise.

11-01-2010, 10:44 AM	#12
Tom Wesenberg Senior Member Join Date: May 2010 Location: Mpls, MN Posts: 27,582	Re: Odd Transmission Noise Sounds like it must be the pilot bearing, or maybe a clutch plate spring.