gregchrysler Posted October 1, 2018 Share Posted October 1, 2018 anyone know why the rubber in the wheel cylinder piston will go over the rim and not go back into the cylinder--I bought 2 new wheel cylinder and both push out to much trapping the rubber on the rim and leaking please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Link to comment Share on other sites More sharing options...
JACK M Posted October 1, 2018 Share Posted October 1, 2018 Make sure you have the correct length rods that go between the shoe and cylinder. Some cups are deeper than others. You may need to use your old cups. Link to comment Share on other sites More sharing options...
gregchrysler Posted October 1, 2018 Author Share Posted October 1, 2018 thanks again jack -there is no stop for the plunger at the top of the cylinder to stop it is just comes out and the rubber gets trapped thanks again Link to comment Share on other sites More sharing options...
JACK M Posted October 1, 2018 Share Posted October 1, 2018 I presume that your shoes are adjusted correctly. There is a cam affair on the Chryslers that will limit how far the shoes will retract. Link to comment Share on other sites More sharing options...
gregchrysler Posted October 1, 2018 Author Share Posted October 1, 2018 I adjust the brake shoes just enough to get the hub over -- is that correct? Link to comment Share on other sites More sharing options...
plymouthcranbrook Posted October 1, 2018 Share Posted October 1, 2018 Likely very similar to these: http://p15-d24.com/page/p15d24/tech/brakes.html Link to comment Share on other sites More sharing options...
JACK M Posted October 1, 2018 Share Posted October 1, 2018 Slight drag, adjust after the drum is on. Turn the adjuster till the wheel sticks then back off until a slight drag. I always readjust after I drive it a few miles. Link to comment Share on other sites More sharing options...
gregchrysler Posted October 1, 2018 Author Share Posted October 1, 2018 no wheel adjuster on this car 2 wheel cylinders per hub Link to comment Share on other sites More sharing options...
JACK M Posted October 1, 2018 Share Posted October 1, 2018 You better look in your manual. There has to be a way to adjust shoe travel. If my memory serves it looks like a bolt head on the back side of the backing plate that turns an eccentric that pushes the shoes towards the drum. Someone may correct me on this but I have done a few and am pretty sure I am recalling correctly. Link to comment Share on other sites More sharing options...
keiser31 Posted October 1, 2018 Share Posted October 1, 2018 (edited) They probably look like this in which case there are two adjusting bolts on the inboard side of the backing plate....you can see them on the inside next to the wheel cylinders.... Edited October 1, 2018 by keiser31 (see edit history) Link to comment Share on other sites More sharing options...
keiser31 Posted October 1, 2018 Share Posted October 1, 2018 Chrysler would not have built a car without adjustable brakes in those days. Link to comment Share on other sites More sharing options...
Spinneyhill Posted October 1, 2018 Share Posted October 1, 2018 Really dumb questions 1st. Do the new cylinders look like the old? Do the new cylinders have the aluminium pistons in them? i.e. the aluminium piston pushes on the brake rod? Are you using the same shoes? If not, are they the same as the old ones? Link to comment Share on other sites More sharing options...
Rusty_OToole Posted October 1, 2018 Share Posted October 1, 2018 (edited) Unlike the loose leaf brakes used on some rival makes, Chrysler brakes are precision and must be adjusted properly so the shoes align with the drums having an even clearance all around. This is the major adjustment done after relining or replacing brakes. It only needs to be done once, after that you do a minor adjustment to take up wear as required. Consult your manual and set them up right and they will work great, also there are different length rods as others have pointed out. It sounds like yours are too short allowing the pistons to pop out of the cylinder. Edited October 1, 2018 by Rusty_OToole (see edit history) Link to comment Share on other sites More sharing options...
gregchrysler Posted October 2, 2018 Author Share Posted October 2, 2018 solved the problem the lower wheel cylinder piston was stuck in the outward position pushing the right brake out at the bottom --after I pushed it in (and it released brake fluid in my eye) hub and brake linings were ok - and new top wheel cylinder was closer to the brake shoe and didn t leak (so far) thanks rusty and keiser u r a lifesaver Link to comment Share on other sites More sharing options...
c49er Posted October 2, 2018 Share Posted October 2, 2018 ????????????? 2 Link to comment Share on other sites More sharing options...
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