booster replacement

1995 TOYOTA 4RUNNER
Avatar
PRROGERS
  • MEMBER
  • 5 POSTS
brake boster replacement
Dec 4, 2010 at 5:33 AM
Advertisement
Avatar
JACOBANDNICKOLAS
  • ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
Here is what I was able to get for you. Let me know if it helps.

Remove the master cylinder.
At the brake pedal, remove the clip and separate the clevis from the pedal.
Remove the pedal return spring.
Disconnect the vacuum hose from the booster.
Loosen the four nuts, then pull out the vacuum booster, bracket and gasket.


To install:

Some models employ a spacer and additional gaskets at the firewall.

Using a new gasket when installing the booster. Tighten the mounting bolts to 9 ft. lbs. (13 Nm).
Install the clevis pin to the clevis through the brake pedal. Secure the pin with the clip.
Install the pedal return spring.
Adjust the length of the booster pushrod as follows:
Install the gasket to the master cylinder.
Set the SST 0973700010 (or equivalent) on the gasket, then lower the pin until its tip slightly touches the piston.
Turn the tool upside down and position it on the booster.
Measure the clearance between the booster pushrod and the pin head. There should be zero clearance.
Adjust the booster pushrod length until the pushrod lightly touches the pin head. While doing this depress the brake pedal enough so that the pushrod sticks out.



Install the master cylinder.
Attach the vacuum hose to the booster.
Fill the reservoir with brake fluid, and then bleed the system.
Check for leakage.
Check and adjust the brake pedal.


Apr 12, 2021 at 10:03 AM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.