seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Crankshaft dimensions > < Crankshaft
Removing and installing crankshaft
   
Removing and installing crankshaft
  Note
t  The cylinder block will be assigned with the correct thickness bearing shells at the factory. The thickness is identified by coloured spots
t  For assembly, the engine must be secured to the -AR2204A- assembly stand with the -T20082- engine bracket → Chapter.
t  Before carrying out any assembly work, it is necessary to lubricate points of support and sliding surfaces
1 - Drive element
q   For oil pump drive
q   Coat with oil before installing oil pump
2 - Bearing shells 1, 2, 3, 4 and 5
q   New bearing shells of the correct colour should be used → Fig.
q   For bearing cap without oil groove
q   Cylinder block with oil groove
q   Do not mix up used bearing shells (mark them)
3 - 65 Nm
q   Renew
4 - Bearing caps
q   Bearing cap 1: pulley side
q   Bearing cap 3: with recesses for thrust washers
q   Bearing shell retaining lugs (cylinder block/bearing cap) must be on the same side
5 - Bearing shell 3
q   → Item
q   Do not mix up used bearing shells (mark them)
6 - Crankshaft
q   Axial clearance:
q   New: 0,07 … 0,17 mm
q   Wear limit: 0.25 mm
q   Check radial clearance with Plastigage
q   New: 0,03 … 0,08 mm
q   Wear limit: 0.17 mm
q   Do not rotate the crankshaft when checking the radial clearance
q   Crankshaft dimensions → Chapter
7 - Thrust washers
q   For cylinder block, bearing 3
q   Note fixing arrangement
8 - Cylinder block

   
Assigning the crankshaft bearing shells for the cylinder block
In the factory the correct thickness bearing shells are selected. The thickness is identified by coloured spots on the cylinder block and crankshaft. For ordering the bearing shells, it is necessary to remove the oil sump and read the colour marking.
Upper conrod bearings mark
  R13-0006
A=Marking for bearing 1
B=Marking for bearing 2
C=Marking for bearing 3
D=Marking for bearing 4
E=Marking for bearing 5

   
Lower conrod bearings mark
  R13-0008
A=Marking for bearing 1
B=Marking for bearing 2
C=Marking for bearing 3
D=Marking for bearing 4
E=Marking for bearing 5

Colour markings
   
Letters on the cylinder blockColour of bearing shell
R=red
G=yellow
B=blue

   

Crankshaft dimensions > < Crankshaft