sinkrun Posted April 27, 2010 Share Posted April 27, 2010 The last several times I drove the MJ I had to stand on the brakes to get them to work. However this goes away after few miles of starts and stops. The master cyl is pretty wet damp all over but dosen`t seem to be loosing much if any. I was thinking maybe a bad rubber line as all the steels were replaced in the past couple years. I have been doing ALOT of searching on upgrades however I am more confused know than before. Link to comment Share on other sites More sharing options...
-600JeepMJ Posted April 28, 2010 Share Posted April 28, 2010 :???: how old is the Brake master cylinder? I am guessing that it is going bad. Link to comment Share on other sites More sharing options...
sinkrun Posted April 28, 2010 Author Share Posted April 28, 2010 I have had the truck 2 years and it sat all winter. I quess thats the cheapest thing to start with. Link to comment Share on other sites More sharing options...
Wildman Posted April 28, 2010 Share Posted April 28, 2010 If the truck has been sitting.........it could just be some surface rust on the rotors and drums. And the more you drive, the warmer the rotors/pads get, and start "cutting" into the rust. It might not be a bad idea to pull the wheels and check them out, and even hit them with a wire brush. Would also give you a chance to check the soft lines for cracks and bulges. Plus........whens the last time you checked the "self-adjusters" on the drums???? They really don't "self-adjust" :roll: Link to comment Share on other sites More sharing options...
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