Use Tooling (B) to clean the sleeve of the unit injector.
Illustration 1 g01233010
Install new O-ring seal (3) on unit injector (2) .
Lubricate O-ring seal (3) with clean engine oil.
Position unit injector (2) in the cylinder head.
Use Tooling (C) to properly seat unit injector (2) . Refer to the Tool Operating Manual, NEHS0738, “Using the 173-1530 Injector Seating Tool on 3114, 3116, and 3126 MUI or 3116 3126 HEUI 2-Valve Engines” for the proper procedure.
Illustration 2 g00644454
Install a new weather pack connector on harness assembly (1) . Connect harness assembly (1) to the unit injector.
End By: Install the rocker arms and the pushrods. Refer to Disassembly and Assembly, “Rocker Shaft and Pushrod – Install”.