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PUT A NEW MASTER CYLINDER AND BRAKE BOOSTER ON 1990 TOYOTA PICKUP AND BLEED BRAKE AND YOU HAVE TO PUSH ALL THE WAY TO FLOOR TO STOP WHAT COULD BE MY PROBLEM?
i have had several sequoias and tundras in my shop with the same complaint , i think its an issue toyota knows about but doesn't want to admit , i think they dont know how to fix it ,although in one instance we got a code for the master cyl psi switch and the customer states after we changed it the "no brake pedal " went away
- The brake pistons may have leaks that's why when brakes are applied it will floor but won't stop. You will have to have it replaced. - The brake booster is faulty. If the brake booster is faulty same result will happen - Brake fluid is out. Try to fill it to the right level and it can resolve the problem
The following will surely need replacement to resolve the problem.
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Hi,
Check your brake fluid level and if you have to top it up then you will need to bleed the brakes as they will have air in the fluid.
This problem you have is caused from having air in the brakes hydraulic fluid.
Let me know if you need more information.
Thanks
Jason
you need to blead the breaks starting at the rear pass side and work forward who ever installed the master cylinder did not do it bring it back to them and make them do it
Sounds like your master cylinder is shot. Go to a parking lot, stop, and pump the pedal a bunch of times. Then get out and see if there is any fluid leaks by any of the wheels. That would indicate a brake line leak. My first guess, however, is your master cylinder.
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