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Hydramatic bushing clearance

Started by Roman_cadillac, March 11, 2023, 07:24:33 PM

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Roman_cadillac

March 11, 2023, 07:24:33 PM
Hi all! I rebuilding hydramatic on my 59 caddy.  This is my first automatic transmmission. Never rebuild it. i have some questions.
 
What is correct clearance for bell housing bushing?  Install new bell housing bushing from "ftasco". Clearance 0,008".   
 
What is correct clearance for other bushings?

Sorry for my english



Roger Zimmermann

#1
March 12, 2023, 04:02:06 AM
As far as I know, there is no specification about the play. I'm replacing bushings only if they are scored or damaged. When the surface is smooth, I don't touch them.
1956 Sedan de Ville (sold)
1956 Eldorado Biarritz
1957 Eldorado Brougham (sold)
1972 Coupe de Ville
2011 DTS
CLCMRC benefactor #101

Roman_cadillac

#2
March 12, 2023, 04:34:32 AM
Quote from: Roger Zimmermann on March 12, 2023, 04:02:06 AMAs far as I know, there is no specification about the play. I'm replacing bushings only if they are scored or damaged. When the surface is smooth, I don't touch them.

I agree!   

oem bushing have damage

 

Roger Zimmermann

#3
March 12, 2023, 07:27:59 AM
Yep! This one is to be replaced. You have also to evaluate why it was damaged that way. You'll have to play Sherlock Holmes!
1956 Sedan de Ville (sold)
1956 Eldorado Biarritz
1957 Eldorado Brougham (sold)
1972 Coupe de Ville
2011 DTS
CLCMRC benefactor #101

Chopper1942

#4
March 13, 2023, 07:38:07 AM
Check the hub on the converter. If badly scored it needs an new converter. If just light scoring, use some fine crocus cloth to polish the hub. Scoring was probably caused by piece of metal left in the trans when built, unless you had a major failure of the trans.
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