C 1500 Truck 2WD V6-4.3L VIN W (2001)
18. Install the power brake booster vacuum hose to the intake manifold.
19. Install the EVAP canister purge solenoid valve hose.
20. Install the fuel supply and return pipes to the rear of the intake manifold.
Important: In order to install the distributor for the correct engine timing, position the engine to number one cylinder top dead center.
21. Remove the spark plug for number one cylinder.
22. Rotate the crankshaft until number one cylinder is in the compression stroke.
23. Align the two reference marks on the crankshaft balancer (1,4) with the two alignment marks (2,3) on the front cover.
24. Install the spark plug.
25. Install the distributor.
26. Install the water pump inlet hose to the intake manifold.
27. Install the heater hoses to the engine.
