Master Cylinder Replacement

Master Cylinder Replacement

Special Tools

CH-47830 - Holding Fixture
Warning: Refer to Brake Fluid Irritant Warning (Brake Fluid Irritant Warning).

Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution (Brake Fluid Effects on Paint and Electrical Components Caution).

Removal Procedure

1. Remove the brake master cylinder with power booster and control module assembly. Refer to Brake Master Cylinder with Power Brake Booster and Chassis Control Module Replacement (LHD) (Brake Master Cylinder with Power Brake Booster and Chassis Control Module Replacement).
2. Install the CH-47830 - Holding Fixture to the master cylinder assembly.
3. Position the CH-47830 - Holding Fixture with the master cylinder assembly in a vise.
4. Clean any dirt and debris from the master cylinder, brake pressure modulator valve (BPMV) assembly, power brake booster pump inlet hose, pump outlet pipe, and master cylinder reservoir mounting areas.
5. Remove the power brake booster pump with accumulator as an assembly. Refer to Power Brake Booster Pump Replacement (Service and Repair).
6. Remove the master cylinder reservoir. Refer to Master Cylinder Reservoir Replacement (Master Cylinder Reservoir Replacement).




7. Carefully remove the brake pressure modulator valve (BPMV) gasket (1) and the electronic brake control module (EBCM) with BPMV assembly (2) from the master cylinder. Refer to Electronic Brake Control Module with Brake Pressure Modulator Valve Replacement (Electronic Brake Control Module with Brake Pressure Modulator Valve Replacement).

Installation Procedure




1. Install the BPMV gasket (1) and the EBCM with BPMV assembly (2) to the master cylinder. Refer to Electronic Brake Control Module with Brake Pressure Modulator Valve Replacement (Electronic Brake Control Module with Brake Pressure Modulator Valve Replacement).
2. Install the master cylinder reservoir. Refer to Master Cylinder Reservoir Replacement (Master Cylinder Reservoir Replacement).
3. Install the power brake booster pump with accumulator as an assembly. Refer to Power Brake Booster Pump Replacement (Service and Repair).
4. Remove the CH-47830 - Holding Fixture from the master cylinder assembly.
5. Install the brake master cylinder with power booster and control module assembly. Refer to Brake Master Cylinder with Power Brake Booster and Chassis Control Module Replacement (LHD) (Brake Master Cylinder with Power Brake Booster and Chassis Control Module Replacement).