Removal Procedure
- Remove the upper left valve rocker arm cover. Refer to 
Valve Rocker Arm Cover Replacement - Upper Left Side
.
 
- Remove the glow plug nuts.
 
- Remove the engine wire harness at glow plugs.
 
- Remove the fuel injectors. Refer to 
Fuel Injector Replacement
.
 
- Remove the fuel injectors return hose clamp at the left rear of engine (1).
 
- Remove the fuel feed and return line clamp bolt.
 
- Remove the lower valve rocker arm cover bolts.
 
- Remove the lower valve rocker arm cover.
 
- Remove the gasket from the lower valve rocker arm cover.
 
- Inspect the lower valve rocker arm cover gasket for damage, replace if necessary. Otherwise reuse the old gasket.
 
Installation Procedure
- Install the lower valve rocker arm cover gasket.
 
- Install the lower valve rocker arm cover.
 
- Install the lower valve rocker arm cover bolts.
 
Notice: Refer to Fastener Notice in the Preface section.
- Tighten the lower valve rocker arm cover bolts.
 
Tighten
Tighten the bolts in the sequence shown to 10 N·m (89 lb in).
- Install the fuel injectors return hose clamp at the left rear of engine (1).
 
- Install the fuel feed and return line clamp bolt.
 
Tighten
Tighten the bolt to 25 N·m (18 lb ft).
- Install the fuel injectors. Refer to 
Fuel Injector Replacement
.
 
- Install the engine wire harness to glow plugs.
 
- Install wires and nuts to glow plugs.
 
Tighten
Tighten the nuts to 2 N·m (18 lb in).
- Install the upper left valve rocker arm cover. Refer to 
Valve Rocker Arm Cover Replacement - Upper Left Side
.