volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Colour identification > < Piston and cylinder dimensions
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  When working on engine, secure to repair stand using engine and gearbox support -VW 540- and supplementary kit -VW 540/1B-.
1 - Oil pump
q   With 12 bar pressure relief valve
q   Before installing, check that both dowel sleeves for centring oil pump on cylinder block are fitted
q   Removing and installing → Chapter
2 - Bolt
q   15 Nm
3 - Sprocket
q   For oil pump drive
4 - 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)
5 - Bolts
q   65 Nm +90 ° (1/4turn) further
q   Renew
q   Threaded along complete length
q   Tighten crankshaft to 65 Nm when measuring radial clearance
6 - 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 on the same side
7 - Bearing shell 3
q   → Item
q   Do not interchange used bearing shells (mark)
8 - Sender wheel
q   Renew
q   Engine speed sender -G28-
q   Can only be installed in one position, holes are offset
9 - Bolt
q   10 Nm + 1/4 turn (90 °) further
q   Renew
10 - Thrust washer
q   For bearing cap, bearing 3
q   Note fixing arrangement
q   Lettering faces bearing pedestal
11 - 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: 0.15 mm
q   Do not rotate crankshaft when checking radial clearance
q   Crankshaft dimensions → Chapter
12 - Thrust washer
q   For cylinder block, bearing 3
q   Lettering faces bearing pedestal

   
Identification for upper main bearing shell (gradual introduction)
Upper main bearing shells of the proper thickness are allocated to the cylinder block in the factory. Coloured spots serve to identify the thickness of the bearing shells.
Which bearing thickness is to be used at each place is marked by letters on the lower sealing surface of the cylinder block.
  N13-0714

Colour identification > < Piston and cylinder dimensions