Highlander 4WD V6-3.0L (1MZ-FE) (2003)
Brake Master Cylinder: Service and Repair
BRAKE MASTER LESS RESERVOIR TANK CYLINDER SUB-ASSY
REPLACEMENT
1. DRAIN BRAKE FLUID
NOTICE: Do not let brake fluid remain on a painted surface. Wash it off immediately.
2. REMOVE AIR CLEANER ASSEMBLY WITH HOSE
3. REMOVE FRONT SUSPENSION BRACE SUB-ASSY UPPER CENTER
a. Disconnect the wire harness clamp from the brace sub-assy (w/o VSC).
b. Disconnect the 2 wire harness clamps and ABS R/B from the brace sub-assy (w/ VSC).
c. Remove the 4 nuts and brace sub-assy.
4. REMOVE BRAKE MASTER LESS RESERVOIR TANK CYLINDER SUB-ASSY
a. Disconnect the brake fluid level warning switch connector.
b. Slide the clip and disconnect the actuator No. 1 hose from the reservoir (w/ VSC).
c. Using SST, remove the 2 brake lines.
SST 09023-00100
d. Remove the 2 nuts and pull out the check valve bracket and master cylinder sub-assy.
5. REMOVE BRAKE MASTER CYLINDER GASKET
6. REMOVE BRAKE MASTER CYLINDER RESERVOIR TANK STOPPER
a. Pull out the master cylinder reservoir tank stopper.
7. REMOVE BRAKE MASTER CYLINDER RESERVOIR SUB-ASSY
a. Pull out the master cylinder reservoir sub-assy.
8. REMOVE MASTER CYLINDER RESERVOIR GROMMET
a. Remove the 2 master cylinder reservoir grommets.
9. INSTALL MASTER CYLINDER RESERVOIR GROMMET
a. Apply the lithium soap base glycol grease on the 2 master cylinder reservoir grommets.
b. Install the 2 master cylinder reservoir grommets to the master cylinder reservoir sub-assy.
10. INSTALL BRAKE MASTER CYLINDER RESERVOIR SUB-ASSY
a. Install the master cylinder reservoir sub-assy to the master cylinder.