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Brake problem
hello guys i have 1992 toyota pickup i recently bought it and i changed the master cylinder due to soft brake pedal i bled the entire system and its still the same some times their there and some times not there pretty soft i even bled the lspv any tips? Keep bleeding the system new booter? |
How did you determine the MC was bad? I suspect you still have air in the system. How much fluid did you go through bleeding the system.
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Possible Rubber hoses ballooning under pressure
Rear Brakes not adjusted correct Parking Brake in good working condition ?? Sucking Air in one of the Master Cylinder connections |
Originally Posted by thefishguy77
(Post 52404530)
How did you determine the MC was bad? I suspect you still have air in the system. How much fluid did you go through bleeding the system.
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Throwing parts at a problem is a poor way of fixing it. Relies on total luck and money.
So I ask again. How much brake fluid did you use to bleed the system. A small bottle, a large bottle, 2 large bottles. |
Originally Posted by 85basemodel
(Post 52404491)
hello guys i have 1992 toyota pickup i recently bought it and i changed the master cylinder due to soft brake pedal i bled the entire system and its still the same some times their there and some times not there pretty soft i even bled the lspv any tips? Keep bleeding the system new booter? |
Originally Posted by thefishguy77
(Post 52404550)
Throwing parts at a problem is a poor way of fixing it. Relies on total luck and money.
So I ask again. How much brake fluid did you use to bleed the system. A small bottle, a large bottle, 2 large bottles. |
That the 32 OZ bottle or 64OZ bottle ??
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The more detail you give us the better we can help. But if you don't help us by answering the questions then how are we supposed to help you?
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Originally Posted by thefishguy77
(Post 52404621)
The more detail you give us the better we can help. But if you don't help us by answering the questions then how are we supposed to help you?
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Originally Posted by wyoming9
(Post 52404606)
That the 32 OZ bottle or 64OZ bottle ??
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You probably still have air in your lines.
Did you bench bleed the MC first? |
Originally Posted by thefishguy77
(Post 52404683)
You probably still have air in your lines.
Did you bench bleed the MC first? |
Originally Posted by thefishguy77
(Post 52404621)
The more detail you give us the better we can help. But if you don't help us by answering the questions then how are we supposed to help you?
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Originally Posted by 85basemodel
(Post 52404720)
when the veichle is off the brakes seem solid but once i turn it on the go soft try tapping on the side of the master cylinder during the bleeding process, you will likely see air bubbles come up into the reservoir when you do. If you start the bleeding process this way (getting all of the air out of the master cylinder that you can) it will make the whole process go faster and you will have better results. |
Originally Posted by akwheeler
(Post 52404750)
That is because the brake booster is helping you push the pedal when the engine is running.
try tapping on the side of the master cylinder during the bleeding process, you will likely see air bubbles come up into the reservoir when you do. If you start the bleeding process this way (getting all of the air out of the master cylinder that you can) it will make the whole process go faster and you will have better results. |
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