- Install the injector clamp on the valve spring seat.
- Assemble the fuel injector (4) and injector clamp (7) as a complete assembly first, then temporarily install the injector assembly together with
the clamp into the injector sleeve hole.
Notice: Refer to Fastener Notice in the Preface section.
- Temporarily tighten the injection pipe (8) to the injector.
- Apply molybdenum disulfide grease to the clamp bolt.
Tighten
Tighten the injector clamp bolt to 31 N·m (22 lb ft).
- Tighten the injection pipe.
Tighten
Tighten the injection pipe to 44 N·m (33 lb ft).
Important: Ensure that the injection pipe and return pipe eye bolt are tightened. This will prevent the dilution of the engine oil. Ensure that the gasket for the return pipe does not ride on the injector body when tightening the
eye bolt.
- Install the fuel return pipe on the two-way valve (1).
Tighten
Tighten the fuel return pipe eye bolt to 14 N·m (10 lb ft).
- Install the 2-way valve (TWV) harness assembly.
Tighten
Tighten the fixing bolt to 22 N·m (16 lb ft).
- Install the TWV harness to TWV terminals (1). Tighten the fixing nut by hand until the nut reaches the harness terminals.
Tighten
Tighten the fixing nut to 2 N·m (17.7 lb in).
- Connect the TWV harness to lower case joint connector.
- Install the valve rocker arm cover. Refer to
Valve Rocker Arm Cover Replacement
in Engine Mechanical - 7.8L.
- Reconnect the 2 TWV harness connectors at the outside of the lower case.
- Connect the negative battery cable. Refer to
Battery Negative Cable Disconnection and Connection
in Engine Electrical.