Installing High-Pressure Pump

Information 

• Replace O-ring. 

1. Insert roller tappet into the cylinder head.
2. Turn the crankshaft until the roller tappet is set to the lowest point.
3. Insert high-pressure pump -8-  and screw in screws -7-  by hand.

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   Screwing in screws

4. Coat thread on union nuts with Microgleit DF 977S. Observe drying time of at least 5 minutes before fitting.
5. Align fuel lines -6-  without tension and screw in union nuts -5-  hand-tight.

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   Aligning fuel high-pressure lines

6. Screw in and tighten screws -7-  .

   > Initial tightening 20 Nm (14.8 ftlb.) 

   > Final tightening + 45° 

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   Screwing in screws

7. Tighten union nuts -5-  .

   Low-pressure side:

   > Tightening torque 8 Nm (5.9 ftlb.) 

   > Tightening torque 60° 

   High-pressure side:

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   Tightening union nuts

8. Connect and lock electric plug connection -4-  .

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   Connecting electric plug connection

9. Clip electric line -2-  into holder -3-  .

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   Clipping in lines

10. Fit sound absorber -1-  on high-pressure pump.

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    Installing sound absorber

11. Position cover -2-  and clip in line support -1-  .

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    Clip in line support

12. Move heat shield -1-  together with crash support -2-  into installation position.

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    Heat shield with crash support

    1. 12.1 Tighten screws -3-  .

       > Tightening torque 8 Nm (5.9 ftlb.) 

    2. 12.2 Tighten screw -4-  .

       > Tightening torque 8 Nm (5.9 ftlb.)