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yannick

53 Pontiac Hydra-Matic

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Hi there

I'm owning a 53 Pontiac Catalina with an Inline 8 which I actually rebuild. I had also an issue with the hydra-matic so I decided to check the transmission. Always when pushed in Neutral or when towed I had a rattling noise coming from the tranny that stoped when the car reached a certain velocity. I opend it and located the source of that noise. There is a Parking Brake Gear and sort of blocker lever. And this lever causes the rattling noise.

 

Now. I am no sure, if this is a Problem. Usually I don't move the car in Neutral. Perhaps there is a problem with a valve that doesn't keep the blocker off the parking brake gear in Neutral.

 

9al6-bg-f064.jpg

 

The parking brake blocker lever

 

9al6-bf-8804.jpg

 

the parking brake gear with slight signs of wear. the lever is removed

 

9al6-be-228e.jpg

 

Blocker lever and gear disassembled.

 

Hope my english isn't too bad, it's not my mother tongue.

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hello, the parking lever may have a worn out torsional spring, allowing the pawl to come in contact with the internal reverse gear.

 

charles l. coker

1953 pontiac tech advisor

tech advisor coordinator

pontiac oakland club int'l.

 

 

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Thank you Charles for your answer.

I guess you mean that torsional spring in the following pictures? Any Idee where I get such replacement parts?

Yannick

 

9al6-bh-5508.jpg

 

9al6-bi-5dc1.jpg

Edited by yannick (see edit history)

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excellent source of parts, information, and rebuilding service, 

gene berck transmission

salinas, calif.

831-320-2726

website is restorationhydramatics.com

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