Master Cylinder Replacement (JD9)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Master Cylinder & Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
CAUTION: Refer to Brake Fluid Irritant Caution . NOTE: Refer to Brake Fluid Effects on Paint and Electrical Components Notice .
1	Brake Pipe Fitting (Qty: 2) NOTE: Refer to Fastener Notice . Tip: Using a suitable tool, remove the brake fluid from the master cylinder reservoir. Cap or plug the brake pipes to prevent brake fluid loss and the contamination of the brake system. Tighten: 25 N.m (18 lb ft)
2	Master Cylinder Nut (Qty: 2) Tighten: 33 N.m (24 lb ft)
3	Brake Master Cylinder Tip: Disconnect/connect the brake fluid level sensor electrical connector. Bleed the brake system. Refer to Hydraulic Brake System Bleeding (Manual) or Hydraulic Brake System Bleeding (Pressure) .