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Crankshaft dimensions > < Removing and installing balancer shaft

Polo Mk3

Removing and installing crankshaft
Removing and installing crankshaft
  Note
t  Before removing crankshaft, ensure that a suitable surface for storing crankshaft is prepared so that sender wheel ( → Item) does not contact anything and cannot be damaged.
t  All bearing and running surfaces must be oiled before assembly.
   
1 - Bearing shells 1, 2 and 4
q   For bearing cap without oil groove.
q   For cylinder block with oil groove
q   Do not interchange used bearing shells (mark).
2 - 65 Nm + 1/4 turn (90°) further
q   Renew
q   To measure radial clearance, tighten to 65 Nm but not further.
3 - Bearing cap
q   Bearing cap 1: belt pulley end.
q   Bearing shell retaining lugs in cylinder block and bearing caps must align.
4 - Bearing shell 3
q   For bearing cap without oil groove.
q   For cylinder block with oil groove
5 - Sender wheel
q   For speed sender
q   Renew if damaged.
6 - 10 Nm + 1/4 turn (90°) further
q   Renew
7 - Dowel pin
q   Check projection from crankshaft → Fig.
8 - Crankshaft
q   Before removing, see note → Chapter
q   Axial clearance.
q   New: 0.07…0.17 mm
q   Wear limit: 0.37 mm
q   Check radial clearance with Plastigage.
q   New: 0.03…0.08 mm
q   Wear limit: 0.17 mm
q   Do not rotate crankshaft when checking radial clearance.
q   Crankshaft dimensions → Chapter.
9 - Thrust washer
q   For cylinder block, bearing 3

   
Checking dowel pin projection out of crankshaft
Special tools and workshop equipment required
t  Depth gauge
Test procedure
–  Use depth gauge to check fitted pin projection -a- with sender wheel -1- removed.
1 - Sender wheel
2 - Securing bolt
3 - Projection of fitted pin -3- out of crankshaft a = 2.5...3.0 mm
  V13-1201

Crankshaft dimensions > < Removing and installing balancer shaft