Con-Rod Bearing Play, Check (Determine Con-Rod Bearing Play with Plastigage) Plastigage)
Con-Rod Bearing Play, Check (Determine Con-Rod
Bearing Play with Plastigage)
Piston of cylinder being checked at BDC.
Remove
Remove con-rod bearing caps.
Install
Place plastigage (1) on the oil-free bearing journals of the
crankshaft. Install con-rod bearing caps (with old bolts) at
con-rod – tightening torque 20 Nm / 15 lbf. ft. +
70°.
Note: Plastigage is
available via the catalogue on "Opel/Vauxhall Workshop Equipment"
for different tolerance ranges.
Remove
Do not turn crankshaft. Carefully remove con-rod bearing
caps.
Inspect
Compare width of crushed plastic thread with measuring scale
(1). Permitted con-rod bearing play: 0.020 to 0.055 mm.
Install
Con-rod and con-rod bearing cover are marked with same pairing
number (2). Do not interchange. For con-rod bearing shell selection
– see "Technical Data".
Install con-rod bearing caps with new bolts at con-rod –
tightening torque 20 Nm / 15 lbf. ft. + 70°.
