Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VIXU
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 -           ]
Title: BRAKE SYSTEM (OTHER): BRAKE MASTER CYLINDER: DISASSEMBLY; 2016 - 2020 MY Sienna [12/2015 -        ]

DISASSEMBLY

PROCEDURE

1. REMOVE BRAKE MASTER CYLINDER TO WAY TUBE

(a) Mount the brake master cylinder sub-assembly in a vise.

NOTICE:

Place aluminum plates on the vise to prevent damage to the brake master cylinder sub-assembly.

(b) Using a union nut wrench (12 mm), remove the brake master cylinder to way tube from the No. 2 brake tube way and brake master cylinder body.

2. REMOVE NO. 2 BRAKE TUBE WAY

(a) Remove the No. 2 brake tube way from the brake master cylinder body.

3. REMOVE BRAKE MASTER CYLINDER RESERVOIR SUB-ASSEMBLY

(a) Mount the brake master cylinder sub-assembly in a vise.

NOTICE:

Place aluminum plates on the vise to prevent damage to the brake master cylinder sub-assembly.

(b) Using a pin punch (5 mm) and a hammer, tap out the straight pin, and remove the brake master cylinder reservoir sub-assembly.

4. REMOVE MASTER CYLINDER RESERVOIR GROMMET

(a) Remove the 2 master cylinder reservoir grommets from the brake master cylinder reservoir assembly.