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Pistons and conrods > < Measuring radial clearance of crankshaft

A4 Mk1

Removing and installing chain sprocket
Removing and installing chain sprocket
Special tools and workshop equipment required
   
t  Fitting sleeve -30 - 100-
t  Two-arm puller, commercially available
t  Protective gloves
  W00-0359
Removing
–  Remove upper section of sump → Chapter.
–  Remove sealing flange (pulley end) → Chapter.
–  Remove chain tensioner and chain.
–  Detach chain sprocket from crankshaft with puller -2-; use a suitable washer -1- to protect end of crankshaft.
  A13-0058
Installing
  WARNING
Risk of burns.
Wear protective gloves.
–  Heat chain sprocket in oven for approx. 15 minutes to 220°C.
–  Fit chain sprocket on end of crankshaft using pliers, and press onto crankshaft as far as the stop using drift sleeve -30 - 100-.
Remaining installation steps are carried out in reverse sequence; note the following:
–  Install sealing flange (pulley end) → Chapter.
–  Install sump (top section): vehicles with moulded gasket → Chapter, vehicles with liquid gasket → Chapter.
  A13-0059

Pistons and conrods > < Measuring radial clearance of crankshaft