Master Cylinder Replacement

WARNING: This page is about a different car, the 2011 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Master Cylinder, Nuts & Brake Pipe Nuts

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 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 (Manual) , Hydraulic Brake System Bleeding (Pressure) . 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 (J55) , Master Cylinder Reservoir Replacement (JL9) . Before installing the master cylinder, bench bleed the master cylinder. Refer to Master Cylinder Bench Bleeding .