Crankshaft – assembly overview and fastening

For assembly work, secure engine in engine and gearbox bracket - VAS 6095-.

• 1 50 Nm + ¹/4 turn (90°) further
  • Only tighten to 50 Nm when measuring crankshaft radial clearance. Do not turn further.
• 2 Bearing cap
  • Do not interchange bearing caps (mark positions).
  • Bearing cap 3 with recesses for thrust washers
  • Bearing shell retaining lugs in cylinder block and bearing caps must align.
• 3 Crankshaft
  • Axial play, new: 0.07… 0.24 mm
  • Wear limit: 0.26 mm

Check radial clearance with Plastigage

• New: 0.03 … 0.05 mm
• Wear limit: 0.13 mm
• Do not rotate crankshaft when checking radial clearance
• Pulling needle bearing out of and driving into crankshaft ⇒ 3.2 Pulling needle bearing out of and driving into crankshaft.
• Crankshaft dimensions ⇒ 3.3 Crankshaft dimensions.

• 4 Sealing flange with sender wheel and oil seal
  • With engine speed sender - G28- (not illustrated).
  • Specified torque for engine speed sender - G28- : 5 Nm.
  • Renew sealing flange complete with oil seal and sender wheel only.
  • Renewing crankshaft sealing flange - flywheel end ⇒ 2.2 Removing and installing sealing flange on gearbox side.
• 5 12 Nm
  • Renew
• 6 Thrust washers
  • For bearing cap 3
  • Note fixing arrangement
• 7 Bearing shell
  • In cylinder block
• 8 Sprocket
  • Removing and installing ⇒ 4.4 Removing and installing timing chain and chain drive for oil pump
  • For oil pump drive and timing chain.
  • Contact surfaces must be free of oil and grease.
• 9 Bearing shell
  • In bearing cap.
  • Do not interchange used bearing shells (mark).