Diesel Data: Automotive Repair

Removal and Installation









REMOVAL
1. Relieve pressure in the fuel pipe line to prevent fuel outflow.

NOTE: Cover the fuel pipe line with a shop towel after relieving pressure as some pressure may still remain.

2. Drain engine coolant.
3. Refer to the illustration for the removal steps, noting the following:





4. Remove fuel rail with fuel injector and pressure regulator on.

CAUTION: Do not drop fuel injector when removing fuel rail.

INSTALLATION
1. Reverse the removal procedure to install, noting the following:





2. Apply a small amount of new engine oil to the O-ring of the fuel rail, fuel injector and pressure regulator assembly.
3. When connecting the high-pressure fuel hose to the fuel rail, apply a small amount of new engine oil to the hose union, and then insert, being careful not to damage the O-ring.

CAUTION: Do not let engine oil get into the fuel rail.