Sierra 1500 4WD V8-4.8L VIN V (2004)
12. Remove the transfer case harness from the clip bracket.
IMPORTANT: The area around the electro-hydraulic control unit (EHCU) MUST be free from loose dirt to prevent contamination of disassembled
anti-lock brake (ABS) components.
13. Thoroughly wash all contaminants from around the EHCU.
14. Disconnect the chassis electrical harness connectors from the electronic brake control module (EBCM).
15. Disconnect the brake lines from the brake pressure modulator valve (BPMV).
16. Remove the bolts (4) attaching the EHCU bracket to the frame (5).
17. Remove the EHCU (1).
18. Remove the torsion bar bracket, if equipped with 4WD.
19. Remove the EVAP canister.
20. Disconnect the fuel line at the tank.
21. Cap the fuel and EVAP lines in order to avoid possible system contamination.
