- Remove the glow plugs.
- Remove the fuel injection lines.
Note: Refer to Specification UENR0995 "Engine Design" for non-specified engine Torque Values.
- Disconnect hose assemblies (2) and (5) .
- Remove bolts (4) .
- Remove valve mechanism cover (3) .
- If necessary, remove O-ring seal in valve mechanism cover (3) and replace with new.
- Install valve mechanism cover (3) in the reverse order of removal.
- Tighten bolts (4) to a torque of 10 to 11 N·m (87 to 100 lb in).