Installation Procedure

WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Transfer Tubes & O-ring Seals

Courtesy of GENERAL MOTORS COMPANY

Assemble the 5 transfer tubes (1) to 5 new upper transfer tube O-ring seals (2).
Install the 5 new lower transfer tube O-ring seals (3).
Lubricate the new O-ring seals with Delco Supreme 11®, GM P/N 12377967 (Canadian P/N 992667), or equivalent DOT-3 brake fluid from a clean, sealed brake fluid container.
Install the transfer tube assemblies to the brake modulator valve assembly.

Fig 2: View Of Brake Pipe Manifold

Courtesy of GENERAL MOTORS COMPANY

Install the brake pipe manifold (1).

Fig 3: View Of Brake Pipe Manifold Bolts

Courtesy of GENERAL MOTORS COMPANY

CAUTION:

Refer to Fastener Caution .

Install the brake pipe manifold bolts (1).
Tighten

Tighten the bolts to 11 N.m (97 lb in).

Fig 4: View Of Master Cylinder Return & Supply Hoses & O-ring Seals

Courtesy of GENERAL MOTORS COMPANY

Assemble the master cylinder return hose fitting (1) and the master cylinder supply hose fitting (2) to the new O-ring seals (3).
Lubricate the new O-ring seals with Delco Supreme 11®, GM P/N 12377967 (Canadian P/N 992667), or equivalent DOT-3 brake fluid from a clean, sealed brake fluid container.
Install the return and supply hose fittings to the brake modulator valve assembly.
Tighten

Tighten the fittings to 8 N.m (71 lb in).
Install the brake modulator assembly. Refer to Brake Pressure Modulator Valve Replacement .