Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. 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 CORP.

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 CORP.

Install the brake pipe manifold (1).

NOTE: Refer to Fastener Notice .

Fig 3: View Of Brake Pipe Manifold Bolts

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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 CORP.

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 .

Fig 5: View Of Brake Modulator Manual Pressure Relief Valve

Courtesy of GENERAL MOTORS CORP.

Tighten the brake modulator manual pressure relief valve (1).
Tighten: Tighten the valve to 40 N.m (30 lb ft).
Perform the Antilock Brake System Automated Bleed Procedure . Follow the procedure completely to ensure the learn procedure for the pressure and travel sensors has occurred.