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Con-rod Bearing Play, Check (with Plastigage)
 Remove
| 1. |
Mark installation position (1) of con-rod bearing cap
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| 2. |
Detach con-rod bearing shell with con-rod bearing cap
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| 3. |
Measure con-rod bearing play with Plastigage (deformable
plastic thread)
Note: "Plastigage" is
available for various tolerance ranges
| • |
Cut thread to match the width of the con-rod bearing
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| • |
Place thread axially between con-rod bearing journal and
con-rod bearing shell
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| • |
Install con-rod bearing cap
Note: 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 twist
crankshaft.
| – |
Tighten 2x bolt 13 Nm + 60° +
15°
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| 4. |
Remove con-rod bearing cap
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Important: Do not mix up
millimetre and inch data on the measuring scale
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| 5. |
Measure width of the flattened Plastigage thread with the
measuring scale
| • |
Permissible con-rod bearing play: 0.013 mm to 0.061 mm
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Install
| 6. |
Attach con-rod bearing cap with con-rod bearing shell
| • |
Clean con-rod bearing journal and con-rod bearing shell
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| • |
Oil con-rod bearing shells lightly
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| • |
Tighten 2x bolt 13 Nm + 60° +
15°
Important: Only use screws of
size M6.5
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| – |
Use new bolts
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