High Pressure Pump

High Pressure Pump

Removing


There is a risk of injury because the fuel is under very high pressure.

• Before opening high pressure area of the fuel injection system, fuel pressure must be relieved to residual pressure.

- Reduce fuel pressure in high pressure area. Refer to => [ Before Opening High Pressure Fuel Injection System ] Service and Repair.

- Remove the bolts - arrows -, remove the air guides - 1 - and - 2 -.






- Remove the nuts - arrows - and the protective plate - 1 -.






- Disconnect electrical connectors - 1 - and - 6 -.






- Remove the threaded connections - 2 - and - 5 -.

- Remove the bolts - 3 - and - 4 - on the retaining clamps.

- Remove the bolts - arrows - and pry the end cover up carefully.

• Do not bend the high pressure line to a different angle.

- Remove high pressure pump with actuator.

Installing

• Tightening specifications, refer to => [ High Pressure Pump Overview ] High Pressure Pump Overview.

Installation is performed in reverse order of removal, noting the following:

• Replace O-ring.

• High pressure line connections must not show any signs of damage.

- Only lift the high pressure line slightly to insert the high pressure pump.

- Check the plunger - 1 - for damage and replace it if necessary.






- Coat the plunger with oil and insert it with the tab - arrow A - in the guide - arrow B -.

- Rotate the crankshaft in the direction of engine rotation at the vibration damper bolt while pressing the roller tappet into the cylinder head until it reaches the deepest point.

- Insert the high pressure pump in the vacuum pump.

- Tighten the bolts by hand.

- Tighten the bolts in a diagonal sequence to the specification.

• Tightening specification, refer to => [ High Pressure Pump Overview ] High Pressure Pump Overview

- Install the high pressure line, refer to => [ High Pressure Line ] Service and Repair.