12 31... Replacing Alternator Belt Pulley (With Overrunning Clutch)

2013 Mini Cooper Countryman, Standard TransSECTION 12 31... Replacing Alternator Belt Pulley (With Overrunning Clutch)
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Remove and install alternator drive belt. Grip alternator shaft with: - internal serration

Release nut with special tools 12 7 120. Installation: Tightening torque, see 12 31 3AZ in 11 31 CAMSHAFT .

Fig 1: Release Nut With Special Tools 12 7 120
G00497520Courtesy of BMW OF NORTH AMERICA, INC.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.