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.
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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.
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Tighten 2x bolt 13 Nm + 60° +
15°
Note: The old bolts may
be used to check the con-rod bearing clearance.
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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
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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
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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 bolts of size
M6.5.
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Use new bolts
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