REASSEMBLY
PROCEDURE
1. INSTALL MASTER CYLINDER RESERVOIR GROMMET
(a) Apply a light layer of lithium soap base glycol grease to the entire circumference of 2 new master cylinder reservoir grommets.
![]() | Lithium Soap Base Glycol Grease |
(b) Install the 2 master cylinder reservoir grommets to the brake master cylinder body.
2. INSTALL BRAKE MASTER CYLINDER RESERVOIR SUB-ASSEMBLY
(a) Secure the brake master cylinder body in a vise.
NOTICE:
Place aluminum plates on the vise to prevent damage to the brake master cylinder body.
(b) Install the brake master cylinder reservoir sub-assembly to the brake master cylinder body.
NOTICE:
Do not drop the brake master cylinder reservoir sub-assembly.
3. INSTALL BRAKE MASTER CYLINDER RING PIN
(a) Using a 5 mm pin punch and a hammer, tap in the brake master cylinder ring pin to secure the brake master cylinder reservoir sub-assembly. |
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(b) Remove the brake master cylinder sub-assembly from the vise.
4. INSTALL BRAKE MASTER CYLINDER SUB-ASSEMBLY
5. INSTALL NO. 2 BRAKE TUBE WAY
(a) Install the No. 2 brake tube way to the brake master cylinder sub-assembly.
6. INSTALL BRAKE MASTER CYLINDER TO WAY TUBE
(a) Temporarily install the brake master cylinder to way tube to the brake master cylinder sub-assembly and No. 2 brake tube way.
NOTICE:
(b) Secure the No. 2 brake tube way to the brake master cylinder sub-assembly with the 2 bolts, 2 nuts and 4 washers as shown in the illustration. Torque: 12.5 N·m {127 kgf·cm, 9 ft·lbf} |
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(c) Secure the brake master cylinder sub-assembly with way in a vise.
NOTICE:
Place aluminum plates on the vise to prevent damage to the brake master cylinder sub-assembly and No. 2 brake tube way.
(d) Using a union nut wrench, fully tighten the brake master cylinder to way tube. Torque: Specified tightening torque : 19.6 N·m {200 kgf·cm, 14 ft·lbf} HINT:
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(e) Remove the brake master cylinder sub-assembly with way from the vise.
(f) Remove the 2 bolts, 2 nuts and 4 washers.
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Airbag System: Vehicle Control History
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