12 42 500 Replacing positive battery cable from vehicle battery to starter motor (B48)

Necessary preliminary work: 

• Disconnect NEGATIVE BATTERY LEAD .
• Remove FAN COWL .
• Remove front UNDERBODY PROTECTION

Removal: 

Loosen screw (1).

Release expanding rivet (2).

Remove cover (3).

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Loosen screw (1).

Lay the cover (2) of the positive battery connection point to one side.

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Release screws along the arrows and remove tension strut (1).

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Release nuts (2) and (3).

Detach positive battery cables from positive battery terminal.

Slacken nut (1).

Detach positive battery terminals from vehicle battery.

Release positive battery cable (4) from partition wall.

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Release positive battery cable from retainers (1).

Slacken nut (2).

Detach positive battery cable from alternator.

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Release positive battery cable from retainers (1).

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Release nut (1) on starter motor.

Release screw (2) from cable clip.

Feed out positive battery cable and remove.

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Installation: 

Install positive battery cable.

Connect positive battery cable to starter motor.

Tighten nut (1).

Tightening torque 12 52 3AZ .

Install cable clip.

Tighten screw (2).

Tightening torque 12 52 4AZ .

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Secure positive battery cable with clamps (1).

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Connect positive battery cable to alternator.

Tighten nut (2).

Tightening torque 12 52 2AZ .

Secure positive battery cable with clamps (1).

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Install positive battery cable (4) on partition wall.

Ensure rubber grommet is correctly fitted on partition wall.

Connect positive battery cables to positive battery terminal.

Tighten nuts (2) and (3).

Tightening torque 12 52 6AZ .

Connect positive battery terminals to vehicle battery.

Tighten nut (1).

Tightening torque 12 52 5AZ .

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Join tension strut (1) and tighten with screws.

Tightening torque 17 10 8AZ .

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Install the cover (2) of the positive battery connection point.

Tighten screw (1).

Tightening torque 17 10 10AZ

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Install cover (3).

Install expanding rivet (2).

Tighten screw (1).

Tightening torque 17 10 10AZ .

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Required follow-up work: 

• Connect NEGATIVE BATTERY LEAD .
• Install FAN COWL .
• Install front UNDERBODY PROTECTION .