I'd say the reason it stays put in 4WD is because in order to roll it has to overcome the load on the transfer case and transmission, which in turn has to overcome the load of the engine.
You want to adjust the drums through the starwheel adjuster, which you can get to through the backing plate without actually removing the drum.
Jack up the jeep,. Useing a drum brake spoon, turn the starwheel a few clicks at a time. Your breaks will be adjusted when you just barely feel resistance when turning the wheel (brakes not applied).
Hope this made sense.
Originally Posted by YJXtreme
Ok I just bought my YJ a week ago and one thing that I have just began to notice is my parking break is not doing its job at all. It will work for flat ground but my driceway is a pretty steep one and I found my Jeep in the middle of the street this morning.!!!
So then I started to put it in 4x4 and then it would stay. but tonight it seemed to not want to stay still again. every once in awhile it would jerk a lil and it would move?? this just isn't right.
So anyway I was wondering if this is a envios YJ thing? And what are the ways to trouble shoot this break problem? I have worked with drum breaks once before but never wanted to touch them again. I love my Disks too much on my car.
so please help a Jeeper in need. I'm afraid to park on a hill. Thank God I don't live in SF.