Power brakes not working

Tiny
TONY F.
  • MEMBER
  • 2000 LEXUS LS 400
  • V8
  • 140,000 MILES
Lost my power brakes completely. The car stops by a lot of pressure on the brake pedal.
Sunday, January 20th, 2019 AT 1:44 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

The brake booster is responsible for the power assist.

Check and make sure the vacuum line is attached.

I attached a procedure below for replacement.

Roy

Removal

1. Remove master cylinder.
2. Remove number 1 under cover, number 1 safety pad and number 2 heater to register duct.
3. Remove tilt and telescopic ECU with power steering ECU.
4. Remove clip and return spring.
5. Remove clevis pin.

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6. Remove vacuum hose
7. Remove brake booster
a. Remove the four booster installation nuts and clevis.
B. Pull out the brake booster and gasket.
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Sunday, January 20th, 2019 AT 1:59 PM

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