Diesel Data: Automotive Repair

Master Cylinder Reservoir Replacement



Master Cylinder Reservoir Replacement

Removal Procedure




1. Clean the outside of the brake master cylinder reservoir and the reservoir cap (4).
2. Disconnect the brake fluid level switch connector (5).
3. Remove the reservoir cap.
4. Remove the reservoir diaphragm.

Caution: Refer to Brake Fluid Irritant Caution.

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

5. Remove the brake fluid with the syringe.
6. If the vehicle has a manual transmission, loosen the hose clamp (7) and remove the clutch hose (8) from the reservoir.




7. Remove the screw that retains the reservoir to the master cylinder (5).
8. Remove the reservoir and the grommets from the master cylinder (4, 7).

Installation Procedure




Caution: Refer to Brake Fluid Caution.

Notice: Refer to Filling the Master Cylinder Notice.

1. Lubricate the grommets (4, 7) with new brake fluid.
2. Install the grommets to the master cylinder.
3. Install the reservoir to the master cylinder.
4. Install the screw (5).
5. Install the reservoir diaphragm (2).
6. Fill the reservoir and install the cap.
7. Inspect the master cylinder for fluid leakage.
8. Connect the brake fluid level switch connector.