Silverado 1500 2WD V8-6.0L Hybrid (2009)
13. Remove the 5 transfer tubes (1).
14. Remove and discard the 5 upper transfer tube O-ring seals (2).
15. Remove discard the 5 lower transfer tube O-rings seals (3).
Installation Procedure
1. Assemble the 5 transfer tubes (1) to 5 new upper transfer tube O-ring seals (2).
2. Install the 5 new lower transfer tube O-ring seals (3).
3. Lubricate the new O-ring seals with GM approved brake fluid from a clean, sealed brake fluid container.
4. Install the transfer tube assemblies to the brake modulator valve assembly.