yannick Posted January 3, 2018 Share Posted January 3, 2018 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. The parking brake blocker lever the parking brake gear with slight signs of wear. the lever is removed Blocker lever and gear disassembled. Hope my english isn't too bad, it's not my mother tongue. Link to comment Share on other sites More sharing options...
PONTIAC1953 Posted January 4, 2018 Share Posted January 4, 2018 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. Link to comment Share on other sites More sharing options...
yannick Posted January 4, 2018 Author Share Posted January 4, 2018 (edited) 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 Edited January 4, 2018 by yannick (see edit history) Link to comment Share on other sites More sharing options...
PONTIAC1953 Posted January 5, 2018 Share Posted January 5, 2018 excellent source of parts, information, and rebuilding service, gene berck transmission salinas, calif. 831-320-2726 website is restorationhydramatics.com Link to comment Share on other sites More sharing options...
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