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Crankshaft dimensions > < Removing and installing drive plate

Golf Mk4

Removing and installing crankshaft
Removing and installing crankshaft
  Note
t  Before removing crankshaft, ensure that a suitable surface for storing crankshaft is prepared to ensure that sender wheel → Item is not damaged and is not touching any other item.
t  To carry out repairs, secure engine using engine and gearbox support -VW 540- and engine and gearbox support supplement -VW 540/1 B- to the assembly stand.
t  Balancer shaft gear assembly must be adjusted → Chapter.
   
1 - Sprocket
2 - Bearing shells 1, 2, 3, 4 and 5
q   Classification for ordering spare parts → Fig..
q   For bearing cap without oil groove.
q   For cylinder block with oil groove.
q   Do not interchange used bearing shells (mark).
3 - 65 Nm +90 ° (1/4 turn) further
q   Renew.
q   Threaded along complete length.
q   To measure radial clearance of crankshaft, tighten to 65 Nm.
4 - Bearing cap
q   Bearing cap 1: pulley end.
q   Bearing cap 3 with recesses for thrust washers
q   Bearing shell retaining lugs in cylinder block and bearing caps must be above one another.
5 - Bearing shell 3
q   → Item
q   Do not interchange used bearing shells (mark).
6 - Sender wheel
q   Renew.
q   For engine speed sender -G28-
q   Can only be installed in one position. Holes are offset.
7 - 10 Nm + 1/4 turn (90°) further
q   Renew.
8 - Thrust washer
q   For bearing cap, bearing 3.
q   Note securing position.
q   Lettering points towards bearing block.
9 - Crankshaft
q   Axial clearance new: 0.07...0.23 mm, wear limit: 0.30 mm.
q   Check radial clearance with Plastigage new: 0.01...0.04 mm, wear limit: 0.07 mm.
q   Do not rotate crankshaft when checking radial clearance.
q   Crankshaft dimensions → Chapter.
10 - Thrust washer
q   For cylinder block, bearing 3.
q   Lettering points towards bearing block.

   
Marking of upper crankshaft bearing (sliding application)
Upper main bearing shells of the correct thickness are allocated to the cylinder block at the factory. Coloured spots serve to identify the thickness of the bearing shells.
Which bearing thickness is to be used at each position is marked by letters on the lower sealing surface of the cylinder block.
Coloured marks
  N13-0714
Letter on cylinder blockBearing colour
S=Black
R=Red
G=Yellow

  Note
t  Arrow points in direction of travel.
t  If coloured marks have not been stamped or are no longer legible, use middle (red) bearing shell.
t  Lower crankshaft bearing shells with colour code “yellow” are always supplied as spare parts.
   

Crankshaft dimensions > < Removing and installing drive plate