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Old 11-30-2024, 05:18 AM   #4
Sunnybob
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Join Date: Apr 2023
Location: Milano, Italy
Posts: 75
Default Re: 1953 Mercomatic rebuilding info

Quote:
Originally Posted by Merc Cruzer View Post
You might want to explain what the symptoms are, that your are experiencing, that make you feel, you will need to rebuild the transmission.

Roy, you are right. Here what is doing my trasmission:


When cold (I mean when started after sitting a day at least) and putting in Drive I can feel the trasmissiion engaging but there is low traction. I mean the car does move at low rpm ( and accelerating very, very slowly), but transmission slips if I try to accelerate in a normal way. It goes a little better in low speed, but slips also in first.



As the car does move, the best is to use low as it arrive at about 20 mph and then shift manually in drive. After driving it for few miles in "retired mode" (4/5 miles) the problem disappear and I can drive it almost without problems.


Some others points:


I bought the car less than two years ago, the previous owner never use it and it was parked for last 10 years.



I put new dexron II and filter as first thing.



As it started to slip at cold, I changed from dexron II to Type F fluid. No improvement



Following Roy and manual advices I tryed to set Throttle control rod but problem still there.



I read in some forum that it could be a old seals problem, as they keep only when warm and the solution is the overhaul.
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