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Pistons and conrods > < Crankshaft dimensions

A3 Mk2

Removing and installing chain sprocket
Removing and installing chain sprocket
Special tools and workshop equipment required
   
t  Drift sleeve -30 - 100-
t  Two-arm puller, commercially available
t  Protective gloves
  W00-0359
Removing
–  Remove sealing flange (pulley end) → Chapter.
–  Remove sump → Chapter.
–  Remove oil pump sprocket, chain tensioner and chain → Item.
–  Detach chain sprocket from crankshaft with puller -2-; use a suitable washer -1- to protect end of crankshaft.
  A13-0058
Installing
  WARNING
Wear protective gloves.
–  Heat chain sprocket in oven for approx. 15 minutes to 220°C.
–  Using pliers, locate sprocket on end of crankshaft.
l  Installation position: wider collar on sprocket faces engine.
–  Push sprocket onto crankshaft as far as the stop using drift sleeve -30 - 100-.
Perform further installation in reverse order, paying attention to the following:
–  Install oil pump sprocket, chain tensioner and chain → Item.
–  Install sump → Chapter.
–  Install sealing flange (pulley end) → Chapter.
  A13-0059

Pistons and conrods > < Crankshaft dimensions