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Changing the alternator freewheel clutch - the procedure

Data sheet
Spare partAlternator freewheel clutch
Part numbers9XU 358 038-xxx
9XU 358 039-xxx
Mounting instructionsRecommended procedure for replacing an alternator freewheel clutch

Important safety note

Technical information and practical tips have been compiled by HELLA in order to provide professional support to vehicle workshops in their day-to-day work. The information provided on this website is intended for use by suitably qualified personnel only.

Procedure for replacing the alternator freewheel clutch

We recommend the following procedure - overrunning alternator pulleys on the alternator

  • Switch off engine
  • Remove ignition key
  • Remove the V-ribbed belts
  • Remove the cover cap on the alternator freewheel clutch
  • Fix the overrunning alternator pulley in place
  • Insert installation tool
  • Rotate installation tool
  • Loosen and remove the alternator freewheel clutch
  • Mount and tighten the new alternator freewheel clutch (tightening torque 80 +/- 5 Nm)
  • Fit cover cap and V-ribbed belts
  • Perform functional check

Installation instructions!

Please observe the removal and installation instructions issued by each individual vehicle manufacturer.

  • Installation may only be carried out by a qualified specialist
  • Note tightening torque
  • Do not use pneumatic tools

Reprinting, distribution, reproduction, exploitation in any form or disclosure of the contents of this document, even in part, is prohibited without our express, written approval; indication of the document source is also required. The schematic illustrations, pictures and descriptions are provided for explanatory purposes and are only intended as a visual supplement to the document text, so they cannot be used as the basis for installation or assembly work. All rights reserved.

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