Savana 4500 V8-6.6L DSL Turbo (2009)
Hydraulic Brake Booster: Service and Repair
Power Brake Booster Replacement
Warning: Refer to Brake Fluid Irritant Warning (See: Service Precautions/Technician Safety Information/Brake Fluid Irritant Warning).
Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution (See: Service Precautions/Vehicle Damage Warnings/Brake Fluid
Effects on Paint and Electrical Components Caution).
Caution: Hydraulic brake systems use two distinct and incompatible fluids. Power steering fluid is used in the hydraulic brake booster system. Brake
fluid is used in the master cylinder and brake pipes. Use extreme care when selecting brake system fluids, or seal damage can result. Refer to General
Information to select the correct fluid.
Checking and Adding Fluid
For information on checking and adding fluid to the power brake booster system, refer to Checking and Adding Power Steering Fluid (See: Steering
and Suspension/Steering/Service and Repair/Checking and Adding Power Steering Fluid).
Bleeding the Power Brake Booster System
For information on bleeding the power brake booster system, refer to Power Steering System Bleeding (See: Steering and Suspension/Steering/Power
Steering/Power Steering Bleeding/Service and Repair).
Flushing the Power Brake Booster System
For information on flushing the power brake booster system, refer to Power Steering System Flushing (See: Steering and Suspension/Steering/Service
and Repair/Power Steering System Flushing).
Removal Procedure
1. Apply the park brake and block the wheels.
2. Without disconnecting the brake pipes, remove the master cylinder and support with heavy mechanics wire or equivalent. Refer to Master Cylinder
Replacement (See: Hydraulic System/Brake Master Cylinder/Service and Repair/Removal and Replacement/Master Cylinder Replacement).
3. Disconnect the power brake booster inlet hose fitting (1).
Inspect the O-ring seal for damage and replace, if necessary.
