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Home >> Cadillac >> 2009 >> Escalade EXT >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brake System >> Repair Instructions >> Master Cylinder Replacement (JH6)

Master Cylinder Replacement (JH6)

Fig 1: Master Cylinder Replacement (JH6)
GM1850419Courtesy 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

  1. Using a suitable tool, remove the brake fluid from the brake master cylinder reservoir.
  2. Discard the brake fluid into an approved container.
  3. Disconnect the brake fluid pressure sensor electrical connector, if equipped.
1 Master Cylinder Fluid Level Sensor Electrical Connector
2 Brake Pipe Fitting (Qty: 2)
CAUTION: Refer to Fastener Caution .

Procedure

  1. Remove any dirt or debris from the brake pipe fitting.
  2. Cap the brake pipe fittings to prevent brake fluid loss and contamination.

Tighten:  32 N.m (24 lb ft)
3 Brake Master Cylinder Nut (Qty: 2)

Tighten:  36 N.m (27 lb ft)
4 Brake Master Cylinder Assembly

Procedure

  1. Remove and discard the push-on nuts on the master cylinder mounting studs, if equipped.
  2. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Manual)  or Hydraulic Brake System Bleeding (Pressure)  or Hydraulic Brake System Bleeding (Two-mode Hybrid) .
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