xj wont stop. need help

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Apr 15, 2011 | 11:47 AM

#31

freegdr

CF Veteran

Joined: Mar 2010

Posts: 47,923

Likes: 38

From: Broward County Fl.

Year: 1989 xj sport 2dr

Model: Cherokee

Engine: 12 hole bosch Injectors

when you bleed does fluid squirt out with good pressure at the rear cyls or just dribble out

Apr 15, 2011 | 11:58 AM

#32

freegdr

CF Veteran

Joined: Mar 2010

Posts: 47,923

Likes: 38

From: Broward County Fl.

Year: 1989 xj sport 2dr

Model: Cherokee

Engine: 12 hole bosch Injectors

Quote:

Originally Posted by scstuntman1

so they are all adjusted right, i replaced the wheel cylinders and made sure the proportioning valve was not stuck. the only thing i have not replaced yet is the master cylinder and the brake booster. i have done what the haynes manule said and the booster checks out good. i do plan on doing the dual diaphram upgrade but i still want to make sure that is the problem....this is killing me

can you hear the brake shoes dragging on the drum when you spin the tire???

Apr 15, 2011 | 12:01 PM

#33

freegdr

CF Veteran

Joined: Mar 2010

Posts: 47,923

Likes: 38

From: Broward County Fl.

Year: 1989 xj sport 2dr

Model: Cherokee

Engine: 12 hole bosch Injectors

Apr 15, 2011 | 12:32 PM

#34

scstuntman1

Thread Starter

Newbie

Joined: Mar 2011

Posts: 19

Likes: 0

From: fountain inn, sc

Year: 88

Model: Cherokee

Engine: 4.0

yes it comes out with good pressure and i can hear the brakes scrubbing when i spin them

Apr 15, 2011 | 04:41 PM

#35

freegdr

CF Veteran

Joined: Mar 2010

Posts: 47,923

Likes: 38

From: Broward County Fl.

Year: 1989 xj sport 2dr

Model: Cherokee

Engine: 12 hole bosch Injectors

they should spin less than one turn when you spin them with a easy push do they do this if so the pro valve is not workinq proper or the master is could be bypassing internal.pump up the brake pedal and hold with constant pressure see if the pedal slowly falls if it does master bypassing

Last edited by freegdr; Apr 15, 2011 at 04:45 PM.

Aug 18, 2011 | 01:41 PM

#36

silveradols

Newbie

Joined: Aug 2011

Posts: 16

Likes: 0

Model: Cherokee

brake proportioning valve sensor

I just installed new rotors, new calipers and new pads on the front of my Cherokee Sport. I was having trouble bleeding the brakes. I discovered that brake fluid was leaking from the plastic piece that the proportioning valve sensor plugs in to. Where can I get a new plastic piece for the proportioning valve sensor or a completely new proportioning valve and sensor?