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Replacing pulley (compressor version "2”) > < Preparation for pulley removal

A4 Mk2

Detaching/attaching version “1” pulley
Detaching/attaching version “1” pulley
   
–  Screw out bolt -A- (tightening torque 20 Nm).
  Note
t  Should it not be possible to detach pulley with compressor in position, separate compressor from engine → Chapter.
t  When slackening off and tightening bolt -A-, provide support with commercially available pin wrench -C- (pin diameter 5.0 mm) at drive plate -B-.
t  Bolt -A- is to be replaced (on account of locking fluid).
  A87-0497
–  Carefully and evenly prise off drive plate -A- using 2 screwdrivers -B-.
  Note
t  When prising off drive plate -A-, take care not to damage collar of pulley -C-.
t  There are different types of pulley -C- and drive plate -A-. Attention must therefore be paid to precise assignment. → Parts List
  A87-0498
–  Remove circlip -A-.
–  Detach pulley -B-.
  Note
t  Replace circlip -A-.
t  On fitting circlip -A-, take care not to bend it open more than necessary.
t  Ensure correct insertion of circlip -A-. Bevelled side -C- faces away from compressor (flat side faces compressor).
t  Make sure circlip is properly positioned in groove at compressor flange.
t  Clean compressor flange before fitting pulley. Pulley must be easy to fit (without having to exert force).
  A87-0499

Replacing pulley (compressor version "2”) > < Preparation for pulley removal