Been a while... need help ASAP, Brake issue.
#1
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Join Date: Oct 2012
Location: Detroit, MI
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Year: 2000
Model: Cherokee
Engine: 4.0 i6
Been a while... need help ASAP, Brake issue.
Hey guys, been a while.
Got a problem. 2000 cherokee sport.
Got in the truck to drive home from work, hopped on the freeway... Brake light goes on.
Pulled off into a gas station, checked brake fluid. Bone dry in reservoir.
Checked around all wheels for leaks, didn't immediately notice any.
Brake pressure is pretty normal far as i can tell though.
It's stopping just fine, pedal does not go to the floor.
I know you're not supposed to, but i added brake fluid to the full line, and tried pumping the brakes in reverse. Did nothing. Light still on.
Towed it home. Checked further around reservoir, master cyl, and booster. Has a bit of moisture (tiny bit) from between the master cyl and booster.
What gives?
Where did all my fluid go, and what caused the light to trigger?
Got a problem. 2000 cherokee sport.
Got in the truck to drive home from work, hopped on the freeway... Brake light goes on.
Pulled off into a gas station, checked brake fluid. Bone dry in reservoir.
Checked around all wheels for leaks, didn't immediately notice any.
Brake pressure is pretty normal far as i can tell though.
It's stopping just fine, pedal does not go to the floor.
I know you're not supposed to, but i added brake fluid to the full line, and tried pumping the brakes in reverse. Did nothing. Light still on.
Towed it home. Checked further around reservoir, master cyl, and booster. Has a bit of moisture (tiny bit) from between the master cyl and booster.
What gives?
Where did all my fluid go, and what caused the light to trigger?
#3
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Year: 2000
Model: Cherokee
Engine: 4.0 i6
Mmm Kay. That's what i thought. Light will go out after the master cylinder is replaced and the lines are bled right? Anything else i should know?
#7
CF Veteran
Had the same problem on my '78 Power Wagon yrs back. Problem was caused by water getting in between the m/c and booster causing the rod to pit and eat the seal. Found a new seal but before I put it back together I smoothed the rod and made a gasket to go between the two units. Never had another problem. It's not a common problem by a long shot but it does happen.
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#8
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Year: 2000
Model: Cherokee
Engine: 4.0 i6
The proportioning valve was stuck open from the fluid running out, and looks like the mc is def leaking from between the reservoir and mc. There is a small amount where the mc and booster meet up, but seems like not where all the fluid went.
Replacing the mc right now. Got the light to go out already though by bleeding the system and stomping the pedal and holding it until it clicked .
Replacing the mc right now. Got the light to go out already though by bleeding the system and stomping the pedal and holding it until it clicked .
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