Check con-rod bearing clearance (with
plastigage)
Note: Con-rod bearing
cap removed
Measure
Important: To prevent thread from
breaking when removing con-rod bearing cap, remove grease from
con-rod journal and lightly oil con-rod bearing shell. Do not
rotate crankshaft.
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1. |
Lay 4x Plastigage (flexible plastic thread) over the entire
width of the con-rod bearing journal
Note: Plastigage is
available via the "Opel/Vauxhall Workshop Equipment" catalogue
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2. |
Attach 4x con-rod bearing cap (2) with con-rod bearing
shell
Note: Note
identification on con-rod bearing cap and con-rod.
• |
Tighten 8x bolt (1) 25 Nm +
60°
Note: The old screw
connection can be used again to check the con-rod bearing
clearance
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3. |
Detach 4x con-rod bearing cap (2) with con-rod bearing
shell
• |
Unscrew 8x bolts (1)
Note: Note
identification on con-rod bearing cap and con-rod
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4. |
Measure 4x con-rod bearing clearance
• |
Compare width of flattened plastic thread (arrow) to measuring
scale
Note: When reading the
value, do not confuse millimetres and inches on the measuring
scale
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• |
Permissible con-rod bearing clearance
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5. |
Clean 4x con-rod bearing journal and con-rod bearing shell
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