A6 Sedan V6-2.8L (AHA) (1998)
Connecting Rod Bearing: Testing and Inspection
Connecting Rod Bearing Clearance, Checking
Note:
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Replace the connecting rods only in complete sets.
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Do not interchange the connecting rod bearing shells.
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Mark connecting rods and connecting rod bearing caps with light center punch marks (arrow) before removing.
Checking radial clearance
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Remove connecting rod bearing caps. Clean caps and journals.
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Place Plastigage over entire width of bearing journal or bearing shell.
CAUTION: DO NOT turn the crankshaft or allow it to rotate while measuring with Plastigage in place.
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Install connecting rod bearing cap and tighten to 20 Nm (15 ft. lbs.). Do not tighten further.
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Remove connecting rod bearing cap again.
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Compare width of Plastigage with calibrated scale.
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Always replace connecting rod bolts.