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.
- MEMBER
- 1 POST
Advertisement
ASEMASTER6371
- ✓ASE Certified Mechanic
- 52,796 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.
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.
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)
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Click here to log in and view diagram.
Jan 20, 2019 at 1:59 PM
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.