Master Cylinder Replacement (J92)

Master Cylinder Replacement (J92)

Removal Procedure
Caution: Refer to Brake Fluid Irritant Caution .

Notice: Refer to Brake Fluid Effects on Paint and Electrical Components Notice .


1. Place the ignition switch in the OFF position.
2. Remove the brake fluid from the brake master cylinder reservoir and discard into an approved container.
3. Disconnect the brake fluid level sensor electrical connector.




4. Disconnect the brake master cylinder reservoir return hose quick connect (1) and position the hose aside.
5. Disconnect the brake master cylinder reservoir supply hose quick connect (2) and position the hose aside.




6. Disconnect the brake master cylinder primary brake pipe fitting (1).
Cap the brake pipe fitting and plug the master cylinder outlet port to prevent brake fluid loss and contamination.




7. Disconnect the brake master cylinder left supply brake pipe fitting (1).
Cap the brake pipe fitting and plug the master cylinder outlet port to prevent brake fluid loss and contamination.




8. Disconnect the brake master cylinder right supply brake pipe fitting (1).
Cap the brake pipe fitting and plug the master cylinder outlet port to prevent brake fluid loss and contamination.




9. Disconnect the brake master cylinder right front brake pipe fitting (1).
Cap the brake pipe fitting and plug the master cylinder outlet port to prevent brake fluid loss and contamination.




10. Disconnect the brake master cylinder left front brake pipe fitting (1).
Cap the brake pipe fitting and plug the master cylinder outlet port to prevent brake fluid loss and contamination.




11. Remove the brake master cylinder nuts (1).
Discard the brake master cylinder nuts.




12. Remove the brake master cylinder and the master cylinder seal (1).



Installation Procedure

1. Bench bleed the master cylinder. Refer to Master Cylinder Bench Bleeding (Master Cylinder Bench Bleeding) .




2. Install the brake master cylinder seal (1) and the master cylinder to the adapter.
Ensure the brake master cylinder seal is fully seated in the groove on the master cylinder housing.

Notice: Refer to Fastener Notice .





3. Install 2 new brake master cylinder nuts (1).

Tighten the nuts to 33 N.m (24 lb ft).





4. Connect the brake master cylinder left front brake pipe fitting (1).

Tighten the fitting to 30 N.m (22 lb ft).





5. Connect the brake master cylinder right front brake pipe fitting (1).

Tighten the fitting to 30 N.m (22 lb ft).





6. Connect the brake master cylinder right supply brake pipe fitting (1).

Tighten the fitting to 30 N.m (22 lb ft).





7. Connect the brake master cylinder left supply brake pipe fitting (1).

Tighten the fitting to 30 N.m (22 lb ft).





8. Connect the brake master cylinder primary brake pipe fitting (1).

Tighten the fitting to 30 N.m (22 lb ft).





9. Connect the brake master cylinder reservoir return hose quick connect (1).
10. Connect the brake master cylinder reservoir supply hose quick connect (2).
11. Connect the brake fluid level sensor electrical connector.
12. Fill the brake master cylinder reservoir. Refer to Master Cylinder Reservoir Filling (Master Cylinder Reservoir Filling) .
13. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Pressure) (Service and Repair)Hydraulic Brake System Bleeding (Manual) (Service and Repair) .