Two Piece Intake Manifold

Two Piece Intake Manifold

High Pressure Pump

Removing

CAUTION!
• Follow the safety measures for releasing the high side pressure. Refer to => [ High Side Pressure, Releasing ] High Side Pressure, Releasing.

• The fuel pipes are under pressure! Wear protective goggles and protective clothing to prevent injuries and contact with skin. Before disconnecting the fuel pipe, place a cloth around the connection point. Then release pressure by carefully loosening.

- Remove the lifting eye bolts - arrows - and lifting eye.





- Disconnect the connector - arrow - from the fuel pressure sensor (G247).





- Remove the low pressure hose - 1 -.

- Remove the high pressure line - 2 -. When doing this, counter hold the connection on the high pressure pump using a wrench.

• The low pressure hose must always be replaced because it is damaged when it is removed from the ridged connections. Fuel rail with high pressure pump and fuel injectors overview. Refer to => [ Fuel Rail, Injectors and High Pressure Pump Overview ] Two Piece Intake Manifold.

- Disconnect connector - A -, remove the bolts - arrows - and remove the high pressure pump - B - from the engine.





Installing

- Check the high pressure pump plunger for damage; replace it if necessary.

- Insert the lubricated plunger - 1 - with guide - 2 - perpendicularly into the cylinder head.





- Rotate the engine at the vibration damper slowly in engine rotation direction. When doing this, press the plunger in the- direction of the arrow - until it reaches the deepest point in the cylinder head.

- Replace the high pressure pump O-ring.

- Install the high pressure pump and evenly tighten the bolts - arrows -.





Tightening specifications, refer to => [ Fuel Rail, Injectors and High Pressure Pump Overview ] Two Piece Intake Manifold.

• The low pressure hose secured with hose clamps must always be replaced because it is damaged when it is removed from the ridged connection.

• Always replace the O-ring on the high pressure pump.

• Before installing the fuel lines, first tighten the fuel line connection to the high pressure pump.

• High pressure line connection: 40 Nm

• Tighten the union nuts for the fuel lines first by hand and then to specifications.