Crankshaft, Component Overview
Crankshaft, Component Overview
• Secure the engine to the (VW 540)engine and transmission holder when working on the engine (VAS 6095). Refer to => [ Engine, Securing on Assembly Stand ] Engine, Securing to Assembly Stand.
• If large quantities of metal shavings or abraded material are found in the engine oil while servicing the engine, the oil passages must be carefully cleaned to prevent resulting damage and the oil cooler must be replaced.
1 Bearing shell
• For cylinder block with oil groove
• Do not interchange used bearing shells (mark)
• Insert bearing shells for cylinder block with proper color marking => [ Allocation of crankshaft bearing shells for
cylinder block ] Service and Repair
2 Chain sprocket
• For chain for oil pump
• Replacing, refer to => [ Chain Sprocket ] Service and Repair.
3 Bearing shell
• For bearing cap without oil groove
• Do not interchange used bearing shells (mark)
• The crankshaft bearing shells in the bearing caps are only available as a replacement part with a "yellow" color marking.
4 Thrust washers
• For bearing 3
• Observe locating point
5 65 Nm plus an additional 90° (1/4 turn)
• Replace
• When measuring radial clearance, tighten crankshaft to 65 Nm, but do not turn further
6 Bearing cap
• Bearing cap 1: Belt pulley side
• Bearing cap 3 with notches for thrust washers
• Retaining tabs of bearing shells and cylinder block/bearing caps must lie above one another
7 10 Nm plus an additional 90° (1/4 turn)
• Replace
• Replace sensor wheel every time bolts are loosened, refer to => [ Sensor Wheel ] Service and Repair
8 Needle bearing
• For vehicles with manual transmission
• Pulling out and driving in, refer to => [ Needle Bearing in Crankshaft ] Needle Bearing in Crankshaft
• On vehicles with automatic transmission 01V, a centering bushing for torque converter must be installed here => [ Centering bushing for torque converter ] Service and Repair
9 Sensor wheel
• For engine speed (rpm) sensor (G28)
• Only possible to install in one position - Bores are offset
• Replace sensor wheel every time bolts are loosened
• Removing and installing, refer to => [ Sensor Wheel ] Service and Repair
10 Crankshaft
• Axial play new: 0.07 to 0.23 mm
• Axial play wear limit: 0.30 mm
• Measure radial clearance with Plastigage
• Radial clearance, new: 0.02 to 0.04 mm
• Radial clearance wear limit: 0.15 mm
• Do not turn crankshaft when measuring radial play
• Crankshaft dimensions, refer to => [ Crankshaft Dimensions ] [1][2]Crankshaft, Engine