12 31 ... Replacing Alternator Belt Pulley
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Special tools required:
- 12 7 110. See ENGINE ELECTRICAL SYSTEM -- SPECIAL TOOLS -- TWIN TURBO .
Remove and install alternator drive belt.
Depending on alternator type, grip shaft with:
- hexagon socket
- multi-tooth socket or
- Torx socket wrench
Release nut with special tool 12 7 110.
Installation:
Tightening torque, 12 31 2AZ/12 31 3AZ, see ENGINE ELECTRICAL SYSTEM -- TORQUE SPECIFICATIONS -- TWIN TURBO .
Special tools required:
- 12 7 121
- 12 7 122. See ENGINE ELECTRICAL SYSTEM -- SPECIAL TOOLS -- TWIN TURBO .
Illustrations show N42:
If fitted, remove cover cap from belt pulley.
Depending on alternator type, slacken screw with:
- Torx socket wrench
- Slacken multi-tooth socket wrench (special tool 12 7 122).
Grip freewheel with special tool 12 7 121.
Installation:
Tightening torque 12 31 8AZ, see ENGINE ELECTRICAL SYSTEM -- TORQUE SPECIFICATIONS -- TWIN TURBO .
Remove alternator drive belt.
Release screw and if necessary remove freewheel.