seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Extracting and driving in needle bearing for crankshaft > < Crankshaft
Crankshaft - exploded view
Crankshaft - exploded view
  Note
If large quantities of metal shavings or abrasion are found when performing engine repairs, this may be an indication of damage to the crankshaft or conrod bearings. To prevent subsequent damage, carry out the following operations following the initial repairs: the oil galleries must be carefully cleaned and renew the oil spray jets, oil cooler and oil filter.
   
1 - Bearing cap
q   For cylinder block (with oil groove)
q   Mark used bearing shells for re-installation but not on bearing surface
2 - Cylindrical pinion
q   Replace → Chapter
3 - Bearing cap
q   For bearing cap (without oil groove)
q   Mark used bearing shells for re-installation but not on bearing surface
4 - Thrust washer
q   For bearing cap 3.
q   Various versions for cylinder block and bearing cap.
q   Note attachment
5 - 65 Nm + 90° (1/4 turn)
q   Replace
q   To measure radial play, tighten to 65 Nm, without retightening
6 - Bearing cap
q   Bearing cap 1: belt pulley end.
q   Bearing cap 3 with recesses for thrust washers
q   Bearing shell retaining lugs in cylinder block and bearing caps must align.
7 - Needle bearing
q   For vehicles with manual gearbox
q   extract and drive in
8 - Crankshaft
q   New axial play: 0.07...00.17 mm Wear limit: 0.37 mm
q   Check radial play with plastigage again, new: 0.03 to 0.08 mm; Wear limit: 0.17 mm
q   Do not rotate crankshaft when checking radial clearance.
q   Crankshaft dimensions → Chapter

   

Extracting and driving in needle bearing for crankshaft > < Crankshaft