Master Cylinder Replacement

WARNING: This page is about a different car, the 2009 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Master Cylinder Replacement

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
WARNING: Refer to Brake Fluid Irritant Warning . CAUTION: Refer to Brake Fluid Effects on Paint and Electrical Components Caution . Preliminary Procedures: Disconnect the brake fluid level indicator switch electrical connector.
1	Brake Pipe Fitting (Qty: 2) CAUTION: Refer to Fastener Caution . Procedure Cap the brake pipe fittings to prevent brake fluid loss and contamination. After the installation is complete, bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Pressure) or Hydraulic Brake System Bleeding (Manual) . Tighten: 29 N.m (21 lb ft)
2	Master Cylinder Nut (Qty: 2) Tighten: JL9: 27 N.m (20 lb ft) J55: 30 N.m (22 lb ft)
3	Brake Master Cylinder Procedure Inspect the master cylinder O-ring seal for damage and replace, if necessary. Remove the master cylinder reservoir, if necessary. Refer to Master Cylinder Reservoir Replacement (JL9) or Master Cylinder Reservoir Replacement (J55) . Before installing the master cylinder, bench bleed the master cylinder. Refer to Master Cylinder Bench Bleeding .