11 40 000 Checking engine oil pressure (N52K)

Necessary preliminary tasks:

Disconnect plug connection on oil pressure switch (3) Remove oil pressure switch (3).

Fig 1: Oil Pressure Switch And Removal Directions

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Install special tool 11 4 050 with sealing ring (1) in place of oil pressure switch.

Fig 2: Special Tool (11 4 050) And Sealing Ring

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Checking engine oil pressure with diagnosis tester:

Connect special tool 13 6 054 to special tool 11 4 050.

Connect special tool 13 6 051 with sealing ring (1) to special tool 13 6 054.

Checking engine oil pressure with pressure gauge:

Connect special tool 13 3 063 to special tool 11 4 050.

Connect special tool 13 3 061 to special tool 13 3 063.

Start engine and check engine oil pressure.

Fig 3: Special Tools (13 3 063), (13 3 061), (13 6 054), (13 6 051) And (11 4 050)

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Assemble engine.