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Extracting and driving in needle bearing for crankshaft > < Crankshaft dimensions

A3 Mk2

Removing and installing drive chain sprocket
Removing and installing drive 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 sump → Chapter.
–  Remove sealing flange (pulley end) → Chapter.
–  Remove oil pump drive chain sprocket → Item, chain tensioner → Item and chain → Item.
–  Pull drive chain sprocket off crankshaft with puller -2-; use a suitable washer -1- to protect end of crankshaft.
Installing
Installation is carried out in the reverse order; note the following:
  WARNING
Wear protective gloves.
–  Heat drive chain sprocket in oven for approx. 15 minutes to 220°C.
  A13-0058
–  Fit drive chain sprocket on end of crankshaft using pliers, and press onto crankshaft as far as the stop using drift sleeve -30 - 100-.
l  Installation position: wider collar on drive chain sprocket faces engine.
  A13-0059

Extracting and driving in needle bearing for crankshaft > < Crankshaft dimensions