Prepare for the installation of the high pressure pump

Turn the cam of the high-pressure pump drive to the BDC position.
Place the depth gauge (1) flat onto the high pressure pump flange.
Turn the engine at the central bolt in the direction of engine rotation until the camshaft is in the BDC position.
The depth gauge (1) is in the lowest position.

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Check the threads (1) on the flange of the high pressure pump for sealing compound residue.
Clean the threads (1) with a thread cutter M6 where required.
Make sure that no contamination gets into the engine.
Cover opening at the high pressure pump flange with suitable materials.

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Replace the seal (1).
Parts: Gasket

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