11 28 020 Replace Alternator Drive Belt Tensioner (N54)
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Special tools required:
- 11 3 340
Necessary preliminary tasks:
- Remove drive belt.
Remove special tool 11 3 340. See 11 3 340 LOCKING PIN (2)
Release screw on belt tensioner.
Tightening torque, see 11 28 1AZ in ENGINE -- TORQUE SPECIFICATIONS -- TWIN TURBO
Assemble engine.