1991 Toyota Pickup

Tiny
BARLEDGE01
  • MEMBER
  • 1991 TOYOTA PICKUP
Brakes problem
1991 Toyota Pickup 4 cyl Two Wheel Drive Manual

Is it the master cylinder or brake booster that cause the pedal to go to the floor and not stop, only sometimes? Most of the time it stops fine.
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Monday, September 21st, 2009 AT 11:20 AM

5 Replies

Tiny
RASMATAZ
  • MEMBER
If the master cylinder is gone you'll feel it losing pressure as you step the brakes and gradually sinks to the floor and you have to pump again to make it work that's the symptoms-it has an internal leak-get a rebuild kit or new one.
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Monday, September 21st, 2009 AT 11:30 AM
Tiny
BARLEDGE01
  • MEMBER
Ok. But the pedal does not slowly leak down. It either has pressure and works fine or it goes directly to the floor, causing me to have to gear down to prevent wreck. The pedal is not stiff at all. When it is working properly theres no bleed down of the fluid. It works properly 6 outta 10 times. I never know if its goin to the floor or gonna actually stop the truck. The rear brake shoes have been replaced and no leaks(visually) that I see.
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Monday, September 21st, 2009 AT 11:58 AM
Tiny
RASMATAZ
  • MEMBER
If there's no leak anywhere -remove the master cylinder from the booster and inspect for wetness in the push rod area even if theres no leak behind it -Replace the master cylinder
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Monday, September 21st, 2009 AT 12:02 PM
Tiny
BARLEDGE01
  • MEMBER
So am I correct. You say that my problem is the master cylinder. Even tho it does not bleed down when at a red light with brake depressed, per say. If this is correct I wanna thank you very much for your time.
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Monday, September 21st, 2009 AT 12:05 PM
Tiny
RASMATAZ
  • MEMBER
I've been here before with the MC sometimes it works like nothing is going on then all of sudden there's goes the pedal half way down or all the way down
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Monday, September 21st, 2009 AT 12:08 PM

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