Operation CHARM: Car repair manuals for everyone.

Master Cylinder Replacement



Master Cylinder Replacement

Removal Procedure
Caution: Refer to Brake Fluid Irritant Caution (Brake Fluid Irritant Caution) .

Notice: Refer to Brake Fluid Effects on Paint and Electrical Components Notice (Vehicle Damage Warnings) .


1. Using a suitable tool, remove the brake fluid from the brake master cylinder reservoir.
2. Discard the brake fluid into an approved container.
3. Remove the underhood electrical center. Refer to Underhood Electrical Center or Junction Block Replacement (Underhood Electrical Center or Junction Block Replacement) .




4. Disconnect the master cylinder fluid level sensor electrical connector (1).
5. Disconnect the master cylinder primary brake pipe fitting (2).
Cap the brake pipe fitting and plug the master cylinder outlet port to prevent brake fluid loss and contamination.
6. Disconnect the master cylinder secondary brake pipe fitting (3).
Cap the brake pipe fitting and plug the master cylinder outlet port to prevent brake fluid loss and contamination.




7. Remove the 2 master cylinder nuts (1).
8. Remove the master cylinder (2).



Installation Procedure

1. If installing a new master cylinder, bench bleed the master cylinder. Refer to Master Cylinder Bench Bleeding (Master Cylinder Bench Bleeding) .




2. Install the master cylinder (2).

Notice: Refer to Fastener Notice (Fastener Notice) .

3. Install the 2 master cylinder nuts (1).

Tighten the nuts to 25 N.m (18 lb ft).





4. Connect the master cylinder fluid level sensor electrical connector (1).
5. Connect the master cylinder primary brake pipe fitting (2).

Tighten the fitting to 18 N.m (13 lb ft).

6. Connect the master cylinder secondary brake pipe fitting (3).

Tighten the fitting to 18 N.m (13 lb ft).

7. Install the underhood electrical center. Refer to Underhood Electrical Center or Junction Block Replacement (Underhood Electrical Center or Junction Block Replacement) .
8. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Manual) (Service and Repair)Hydraulic Brake System Bleeding (Pressure) (Service and Repair) .