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Con-rod Bearing Play, Check (with Plastigage)
 Remove
| 1. |
Remove con-rod bearing
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| 2. |
Visually check components
| • |
Con-rod bearing journal, con-rod bearing cap, bearing
shells
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Important: Do not rotate
crankshaft
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| 3. |
Lay on Plastigage
| • |
Degrease con-rod bearing journal
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| • |
Place Plastigage (1) (deformable plastic thread) in position
axially over the entire width of the con-rod bearing journal
(2)
Note: Plastigage is
available via the "Opel/Vauxhall Workshop Equipment" catalogue
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Important: Note allocation and
installation position. Marking on con-rod and con-rod cap point
towards intake side. Align con-rod bearing shell centrally in
con-rod bearing cap
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| 4. |
Insert con-rod bearing shell (1) in con-rod bearing cap (2)
Note: Oil con-rod
bearing shell lightly. Insert con-rod bearing shell with oil bore
(3) in con-rod bearing cap.
| • |
Degrease con-rod bearing journal
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| • |
Tighten 2x bolt 20 Nm + 40°
Note: When undertaking
the measurement it is not necessary to replace the bolts.
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| 5. |
Remove con-rod bearing cap
Note: Note marking on
con-rod and con-rod bearing cap on the intake side.
Important: The mating surfaces of
the con-rod and the con-rod bearing cap form a unique fit and must
not be swapped or damaged. Do not lay down on the mating
surfaces!
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| • |
Unscrew 2x bolts
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| 6. |
Measure con-rod bearing play
| • |
Compare width of flattened plastic thread (1) to measuring
scale (2)
Note: Do not confuse
millimetre and inch information on measuring scale when reading off
value.
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| • |
Permissible con-rod bearing clearance: 0.030 - 0.062 mm
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Install
| 7. |
Install con-rod bearing cap 
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