Silverado 1500 4WD V8-6.0L Hybrid (2009)
Note
To ensure brake modulator and HPA pressure relief has occurred, the manual pressure relief valve must be opened momentarily.
7. Loosen the brake modulator manual pressure relief valve (1) 1/4 turn counterclockwise.
8. Seat, but do not tighten, the manual pressure relief valve.
9. Disconnect the electronic brake control module (EBCM) electrical connector.
10. Disconnect the electronic brake control position sensor electrical connector.
11. Disconnect the BPMV supply hose quick connect (1).
Cap the BPMV inlet port and plug the supply hose to prevent brake fluid loss and contamination.
