Question about 1993 Toyota Corolla

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Toyota ae 100

I am changing the rubbers on my ae100 master cylinder an I mixed up the alignment. Can you help me?

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Hi trini steve,
What I'm going to do is tell you how to work it out for your self....If I'm right you're someone who wants to do a lot of work on your own and maybe other folks cars too....We'll go at this from this direction and it'll be a lot more fulfilling for you...I think....
....First thing is to see things as they are and not just as things....The rubbers you're talking about are seals....the brake system in your car works like this....
....You fill up the container that feeds brake fluid to the master cylinder....It's the brake fluid that does all the work....When you press on the brake pedal, you push a rod that's joined onto the upper end of the brake pedal lever....The rod is in two halves in most modern cars...,One part operates the servo unit....
....which we wont go into, in this answer....
....and then it continues as if it's just one rod, and pushes on the pistons in the master cylinder....The pistons are fitted with the seals (the rubbers) and you'll notice that they are smaller one surface than the other....The seals will have the larger surface faced towards the direction of travel....
....On top and going all the way through from the reviour on top of the master cylinder housing, there are holes where the brake fluid feeds into the cylinder....As you push on the pedal, what you're doing is pushing the brake fluid along the pipes and forcing it into the wheel cylinders....As it goes there it fills up the chamber and forces the pistons outwards....The disc brake pistons are set in such a way as to squeeze the disc...'and the drums brakes push the pistons out against the drums....
....Study the master cylinder and lay the pistons alongside the cylinder....The one that has the conical spring at it's base is the one that fits into the cylinder first....The other spring assembles onto the primary unit....The seals fit on so that they press the fluid forward out of the outlet at the end of the cylinder and on the second cylinder, through the hole half way along....The remaining seal fits in the reverse direction onto the piston, being the seal controlling the return of fluid when you release the pedal....This is to allow the pressure to release from the wheel cylinders, otherwise the brakes would lock up....Lets see how you get on with this and let me know...

Best wishes Johngee10

Posted on Aug 19, 2008

  • Nigel Sooklal Feb 14, 2011

    Thanks a lot... worked fine when I followed your advice. Sorry for being late on saying thank you...



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