3116 and 3126 Truck Engines Unit Injector – Remove

Removal Procedure
Start By:

Remove the rocker arms and the pushrods. Refer to Disassembly and Assembly, “Rocker Shaft and Pushrod – Remove”.

Illustration 1 g00644454

Disconnect harness assembly (1) from the unit injector.

Illustration 2 g00644457

Remove unit injector (2) by hand, when possible. If necessary, use Tooling (A) to loosen unit injector (2) .

Remove unit injector (2) from the cylinder head.

Illustration 3 g01233010

Remove O-ring seal (3) from unit injector (2) .

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