Lotus Elan

Knocking noise from gearbox/bellhousing

PostPost by: 1963Turnerjohn » Wed Sep 11, 2019 9:51 pm

Ok found the gearbox to be in tip top shape inside - checked crank runout
It is .0160? !
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PostPost by: 2cams70 » Thu Sep 12, 2019 11:17 am

End float clearance should be 0.003" to 0.008". Pull off the sump and centre main bearing cap and let us know what you find. Quite possibly a thrust washer has been installed the wrong way around.
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PostPost by: Harrisbueler1 » Mon Jul 13, 2020 8:00 pm

Did you discover the issue? I'm running into the same problem! Please help
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PostPost by: Hawksfield » Tue Jul 14, 2020 9:12 am

Hi John
I had a similar sound after fitting a new clutch assembly it was caused by the new clutch taking up the slave cylinder clearance. After adjustment it was ok
I should of mentioned this before you removed the engine but just read your post however you have the crank thrust to sort good luck
Regards

John

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