Crankshaft, Check; Crankshaft Bearing Play, Check (Determine Bearing Play with Plastigage)
Crankshaft Bearing Play, Check (Determine Bearing Play with Plastigage)
Remove, Disconnect
Remove crankshaft bearing cap from cylinder block - mark installation position.
Measure
With Plastigage (Plastigage is available via the "Opel/Vauxhall Workshop Equipment" catalogue).
"Plastigage" is available for various measuring ranges.
Important!
To prevent the thread from tearing when removing the crankshaft bearing cap, remove grease from crankshaft bearing journal and lightly coat crankshaft bearing shell with clean engine oil. Do not turn crankshaft.
Measure
Cut Plastigage to width of bearing and lay axially between con-rod journal and bearing shell (arrow).
Install, Connect
Attach crankshaft bearing cap to cylinder block - tightening torque 50 Nm / 37 lbf. ft. + 45 ° + 15 ° .
Notice:
To check crankshaft bearing play, the fastening bolts can be used again.
Measure
Remove crankshaft bearing cap again. Compare width of flattened plastic thread with measuring scale (on plastigage packing).
Permissible crankshaft bearing clearance: - see Technical Data.
Notice:
When reading the value, do not confuse millimetres and inches on the measuring scale.
Clean
Clean crankshaft bearing journal and crankshaft bearing shell and lightly coat with clean engine oil.
Install, Connect
Attach crankshaft bearing cap with new fastening bolts to con-rod - note installation position. Tightening torque 50 Nm / 37 lbf. ft. + 45 ° + 15 ° .
Remove, Disconnect 
Measure 
Important! 
Install, Connect 
Clean