12 42 500 Replacing positive battery cable between starter motor, alternator and positive battery connection point (N55)

Necessary preliminary tasks:

Vehicles up to 07/2014:

Pull off rubber mount (1) and slightly raise service cover (2) until lock of cover (3) is accessible.

Unlock lock and remove cover (3).

Fig 1: Removing Service Cover

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Vehicles up to 07/2014:

Slacken nut (1).

Tightening torque 12 42 3AZ .

Remove positive battery cable from battery positive terminal.

Fig 2: Identifying Positive Battery Cable Nut

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Vehicles from 07/2014:

Loosen positive battery cable (1).

Tightening torque 12 42 3AZ .

Release clamp (2).

Feed out positive battery cable.

Fig 3: Identifying Positive Battery Cable And Clamp

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Release positive battery cable from clamp (1).

Fig 4: Identifying Clamp

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Release rear cable strap (1) on cylinder head cover.

Replace cable straps.

NOTE: Graphic shows engine removed.

Fig 5: Identifying Rear Cable Strap On Cylinder Head Cover

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Slacken nut (1).

Tightening torque 12 42 2AZ .

Disconnect positive battery cable from starter motor.

Release cable strap (2).

Replace cable straps.

Fig 6: Identifying Cable Strap And Nut

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Remove protective cap and release nut underneath.

Tightening torque 12 42 1AZ .

Disconnect positive battery cable (1) from alternator.

Fig 7: Locating Protective Cap And Positive Battery Cable

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Unclip positive battery cable from holder (1) and remove.

Fig 8: Identifying Positive Battery Cable Holder

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NOTE: Check stored fault messages.
Clear diagnostic fault entries from fault memory.