A6 V6-3.0L (AVK) (2004)
Required equipment
Plastigage
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Main bearing cap, removing. Clean bearing caps and journals.
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Place Plastigage over entire width of bearing journal or into bearing shells.
Plastigage must rest in center of bearing shell
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Install main bearing cap and tighten to 30 Nm. DO NOT turn the crankshaft.
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Remove main bearing caps again.
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Compare width of Plastigage with calibrated scale.
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Read clearance.