Question about 1991 Toyota Pickup

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I changed about everything,cylinders calipers,shoes,pads,and new rotors. then after following correct bleeding proceedures still no pedal.oh, and no e- brake either .what the heck am i doing wrong?(1991 toyota 4x4 pick up )

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  • Master
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Hi,
You need to check that your Brake master cylinder is operating properly, with these models if you have run it out of fluid and depressed the brake pedal then the master cylinder piston will have moved right up into the cylinder.
You can rectify this from using a pressure bleeder, or you have to remove the master cylinder and using air to force the piston back out. Refit it, Fill the cylinder with fluid and release the bleed screw on it, keep a close eye on the level then once fluid comes out tighten the bleed screw on the cylinder and then release the bleed screw on one of the calipers: DONT PRESS THE BRAKE PEDAL DURING THE FIRST PART!!!.
Once you have released the bleed screw on the caliper, then you can bleed the brakes as per normal.
Let me know if you need more help.
Thanks
Jason

Posted on Mar 14, 2011

  • mtn_maverick Mar 15, 2011

    what does master cyl have to do with no e- brake

  • Jason Maurirere
    Jason Maurirere Mar 15, 2011

    If you have no pedal then the master cylinder has plenty to do with the brake system. If you have no e brake then thats just the rear brake shoe adjustment is not right.
    But if you have no pedal then this is a separate problem all together.

    E-Brake is mechanical over hydraulic, Brake pedal is Vacuum over hydraulic. 2 total different systems within the one operation.
    Let me know if you need more help.

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  • Master
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If you have no e brake that tells me your problem is something to do w/rear brakes. Pull your re brakes back apart and make sure everything is seated properly. Sounds like you didn't adjust rear shoes out far enough. Double check rear adjustment THEN bleed again - rt rear -> lft rear ->rt frt -> lft frt.

Posted on Mar 14, 2011

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