Silverado 1500 4WD V8-6.0L Hybrid (2009)
5. Assemble 4 new O-ring seals to the supply and return transfer tubes (1).
6. Lubricate the new O-ring seals with GM approved brake fluid from a clean, sealed brake fluid container.
7. Install the supply and return transfer tube assemblies to the brake modulator valve assembly.
8. Install the brake pipe manifold (1).