Silverado 1500 2WD V6-4.3L (2007)
19. Remove the positive crankcase ventilation (PCV) valve hose from the valve cover and rocker cover.
20. Disconnect the power brake booster vacuum hose from the vacuum fitting.
21. Reposition the radiator inlet hose clamps.
22. Remove the radiator inlet hose from the thermostat housing.
23. Reposition the water pump inlet hose clamps.
24. Remove the water pump inlet hose.
25. In order to remove the front intake manifold bolt, perform the following:
1. Remove the drive belt.
2. Loosen the power steering (P/S) pump rear bracket nut.
3. Remove the P/S pump rear bracket front nut.
