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General Category => General Discussion => Topic started by: amamet on May 22, 2020, 06:32:50 PM

Title: bearing question for transmission gurus
Post by: amamet on May 22, 2020, 06:32:50 PM

so im swapping gearbox covers, eldo cover onto g5 transmission for my 73 eldorado.  my question is, should the main shaft bearing in the cover kinda sounds like a skateboard deck (not really that loud but there's is noise) when I spin the main shaft in it? on the g5 cover, if I spin the main shaft its pretty much silent. both covers I have side by side flat on a surface with the mainshaft installed vertically. Not sure if I should worry or not. I can always swap the bearings I guess
-Allen

https://youtu.be/2chk2HSjHxw

Title: Re: bearing question for transmission gurus
Post by: Mr Revhead on May 22, 2020, 07:18:02 PM

bearings should be quiet. If it's making a noise like a skateboard then it's rooted, replace it.

Title: Re: bearing question for transmission gurus
Post by: John A on May 22, 2020, 08:57:19 PM

Think how it’ll sound at road speed.  Probly drown out the tappet noise!

Title: Re: bearing question for transmission gurus
Post by: moto-uno on May 22, 2020, 11:00:32 PM

 Are they both COMPLETELY clean of any lubricant ?  Peter

Title: Re: bearing question for transmission gurus
Post by: amamet on May 23, 2020, 06:36:08 AM

The noisy one is completely cleaned (Used kerosene as it was filthy) and has fresh gear oil applied to it. The other from the g5 has old gear oil and wasnt cleaned. I’ve used kerosene to clean steel bearings before with no issue.

Title: Re: bearing question for transmission gurus
Post by: amamet on May 23, 2020, 07:03:21 AM

Forgot to mention, the cleaned noisy bearing spin really smoothly