Master Cylinder Reservoir Replacement

Fig 1: Master Cylinder Reservoir

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
WARNING: Refer to Brake Fluid Irritant Warning . CAUTION: Refer to Brake Fluid Effects on Paint and Electrical Components Caution . Preliminary Procedure Remove and discard the brake fluid from the master cylinder reservoir.
1	Brake Fluid Level Indicator Switch Procedure Disconnect electrical connector. Rotate level indicator clockwise and remove upwards.
2	Master Cylinder Reservoir Bolt CAUTION: Refer to Fastener Caution . Tighten 2.5 N.m (22 lb in)
3	Master Cylinder Reservoir Procedure Inspect the master cylinder for damage and replace, if necessary. Clean the reservoir with denatured alcohol. Dry the reservoir with filtered, non-lubricated compressed air.
4	Master Cylinder Reservoir Seal (Qty: 2) CAUTION: Only use products that comply with GM specifications and check manufacturer information respectively. We recommend the use of GM genuine products. Instructions must be followed at all times. The use of any type of fluid other than the recommended type of brake fluid, may cause contamination which could result in damage to the internal rubber seals and/or rubber linings of hydraulic brake system components. Procedure Lubricate the seals and the reservoir caps with brake fluid. Refer to Brake Fluid and Brake Fluid Handling for the recommended brake fluid. Lubricate the seals and the reservoir bayonets with brake fluid. Refer to Adhesives, Fluids, Lubricants and Sealers .