Lost my power brakes completely. The car stops by a lot of pressure on the brake pedal.
Jan 20, 2019 at 1:44 PM
Power brakes not working
2000 LEXUS LS 400
TONY F.
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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.
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.
imageOpen In New TabZoom/Print
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.
Image (Click to enlarge)
Jan 20, 2019 at 1:59 PM