metal fatigue

Daughter's car was making strange noises, brought it down to the shop
twice before I could make it do the noise for me. After some looking
and checking I looked in the inspection port for the trans torque
converter and saw a little peice sticking out. found the problem.
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For even more metalworking content, it seems the engine was missing
one of the dowel pins to align the trans. I had to make one on the
lathe, 18.5mm OD and 14MM ID. Mechanic friend said that most likely
was why the flexplate broke due to the mis-alignment betwwen the two
Thank You,
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--------- Nice photograph. What year, make, model and engine is the car? Did the mechanic seem to think this was a unique problem or endemic to this brand?
Unka' George [George McDuffee] ------------------------------------------- He that will not apply new remedies, must expect new evils: for Time is the greatest innovator: and if Time, of course, alter things to the worse, and wisdom and counsel shall not alter them to the better, what shall be the end?
Francis Bacon (1561-1626), English philosopher, essayist, statesman. Essays, "Of Innovations" (1597-1625).
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F. George McDuffee
I wonder how the rear main bearing and the bushing for the torque converter where it goes into the oil pump looks?
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I would recommend new front seal for the transmission while the transmission is on the floor.Cheap part but a pain to replace if you have to pull the transmission.
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1998 Chevy Cavalier Z24 with 2.4L engine. Unique problem caused by the last guy to work on it and left one of the dowel pins out that align engine to trans.
New seals would have been a good idea, but I'm sick as a dog, coughing shivering, heads feels like it's in a box, can't hear or taste anything, so my cousin actually did most of the work with a little help from me. There were no leaks, so in went the new flexplate, with a newly machined dowel and back together it went.
Never even thought to give the convertor a wiggle to see if the bushing was shot, Just glad my friend was there to catch the missing dowel pin, I don't think I would have caught it.
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Its a fairly common problem with small chevys and large fords. Pain it the butt to fix
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Stupendous Man

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