captden29 Posted January 21, 2018 Report Share Posted January 21, 2018 i want to flush the top cylinders of brake fluid to use ATF. i know some kind of alchohol is used but cannot remember which type. also, is that not a good idea for the seals in there? appreciate any advice. thanks, capt den Quote Link to comment Share on other sites More sharing options...
vintage6t Posted January 21, 2018 Report Share Posted January 21, 2018 Don't know for sure but it's probably denatured alcohol which will remove moisture from the system by absorbing it and then evaporating . Seeing that it's not a life critical system like brakes, you could probably just flush with enough ATF to effectively remove/dilute the brake fluid and moisture from the system. BTW - here is link to a film strip on servicing convertible tops from the 1950 Chrysler Master Service Technician Conference. Watched it the other day and there are some good tidbits regarding filling the system and so on: MTSC Convertible Tops 1 Quote Link to comment Share on other sites More sharing options...
captden29 Posted January 21, 2018 Author Report Share Posted January 21, 2018 wow! great film. a lot i did not know, but now i do. thanks much. i will flush with just ATF. capt den Quote Link to comment Share on other sites More sharing options...
junkyardjeff Posted January 22, 2018 Report Share Posted January 22, 2018 My 55 Ford used brake fluid too so all I done was to take it completely apart and blow out the lines and moved the cylinders to remove all the brake fluid and reassemble,I never flushed with anything and its been 10 years and so far no problems. 1 Quote Link to comment Share on other sites More sharing options...
Dodgeb4ya Posted January 22, 2018 Report Share Posted January 22, 2018 I'd dis-assemble to be sure to remove all the DOT 3. Quote Link to comment Share on other sites More sharing options...
captden29 Posted January 22, 2018 Author Report Share Posted January 22, 2018 i do not wish to did-assemble the cylinders, but i can take them out of the car and clean and flush to get all the brake fluid out.the film that vintage sent shows how that can be done. the new pump i bought recommends ATF, but brake fluid is also acceptable. the original pump used brake fluid. the mopar film shows the exact system i have, so it is a tremendous help. i never knew how all the adjustments worked. the top mechanisms were always a mystery. not any more. thanks to all who responded with advice. capt den 1 Quote Link to comment Share on other sites More sharing options...
junkyardjeff Posted January 22, 2018 Report Share Posted January 22, 2018 I did not take the cylinders apart but removed them from the car so I could get all the fluid out and also removed the lines from the car too so not to make a mess in the car. 1 Quote Link to comment Share on other sites More sharing options...
captden29 Posted January 24, 2018 Author Report Share Posted January 24, 2018 i already spilled brake fluid in the car in the past trying to fix what was there. i will be neater this time.i have been nursing the original motor, but finally gave up and bought a new one. hope it is worth the money and time. capt den Quote Link to comment Share on other sites More sharing options...
bluefoxamazone Posted January 24, 2018 Report Share Posted January 24, 2018 super interesting topic.. Would someone know if there are differences between convertible- hydraulic parts from the 50-53 CRANBROOK model versus the '54 model? different pumps or pistons or are these parts interchangeable. At MTC convertible tops they do not know either... has somebody info/documentation/ partnumbers on these items...? thanks! Quote Link to comment Share on other sites More sharing options...
Dodgeb4ya Posted January 24, 2018 Report Share Posted January 24, 2018 They are all different. 1949-50 Motor hydraulic... 51-52 Motor cable driven... 53-54 I believe Motor hydraulic The MoPar parts books will ID Also Hollanders Quote Link to comment Share on other sites More sharing options...
bluefoxamazone Posted January 24, 2018 Report Share Posted January 24, 2018 is there an existing service or repair manual online available somewhere..? grtz, Quote Link to comment Share on other sites More sharing options...
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