Assembly Instructions


R e m o v i n g l.Lock oil pump drive wheel with special tool 9157, unscrew retaining nuts and pull off drive wheel.


Use special tool 9157/1 to lock oil pump drive wheels with HTD tooth shape (83 models onward).

Installing Note

Measure axial play before installation. The measurement must be carried out with the pump dry, in other words without oil.

l.Use gauge holder VW 387 and threaded section to measure axial play.

Axial play 0.08 to 0.12 mm

Special Tool Sporsche 9281984 Porsche 911 Gauge Wiring Pictures

2.If necessary, remove inner rotor.

Size 21 mm

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