Persistent aggravating engine noise

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Model T Ford Forum: Forum 2014: Persistent aggravating engine noise
Top of pagePrevious messageNext messageBottom of page Link to this message  By Arthur Dewey Asher Washington IL on Wednesday, August 27, 2014 - 03:47 pm:

I have a 1925 model T touring/pickup. The engine was professionally rebuilt several years ago and probably has 10 -12,000 miles accumulated to date. It has a persistent noise--kind of a cross between a knock and a clack that appears to come from the transmission area. It comes in at around 15mph and stays throughout the speed range. Changing the timing does not alter the noise. Heavy lug does not change it. High speed does not affect it--no better, no worse. I have removed the engine once and checked the rods, mains, timing gears etc but the noise remained healthy. The recent threads on triple gear pin fitting got me to wondering if that could be a possibility. How do triple gears fail?? Do they get noisy before failure?? My understanding is that the triple gears and pins rotate as a "unit" with the flywheel when in high gear so that got eliminated from my thinking. Any suggestions or ideas?? Thanks for the help. Dewey


Top of pagePrevious messageNext messageBottom of page Link to this message  By Larry Bohlen, Severn MD on Wednesday, August 27, 2014 - 03:58 pm:

Arthur,

Have you checked the U-joint?

Just saying....

Larry


Top of pagePrevious messageNext messageBottom of page Link to this message  By Norman T. Kling on Wednesday, August 27, 2014 - 04:04 pm:

Does the noise change when you are in low or high?

A noise you might be hearing that sounds like a clacking is loose wood spokes in the wheels. So you might check the spokes.
Norm


Top of pagePrevious messageNext messageBottom of page Link to this message  By Warren W. Mortensen on Wednesday, August 27, 2014 - 06:49 pm:

I'm with Larry on this one. Lots of noises that the engine gets blamed for actually come from the rear drive train. I have a '26 that I changed the u-joint on a couple years ago and my knock went away. My '26 engine was used by a friend for the '09 Ocean-to-Ocean Tour and ran like a Swiss watch all the way. I was a bit dubious about lending it to him because I wasn't sure it was in shape for that run but I was wrong.


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