A4 Quattro Sedan V6-3.0L (AVK) (2002)
Crankshaft: Service and Repair
Axial and Radial Play, Measuring
Axial and radial play, measuring
Special Tools and Equipment
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VW387 dial gauge holder
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Dial gauge
Axial clearance
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Attach dial indicator together with VW387 dial gauge holder to cylinder block and set indicator against crankshaft counterweight.
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Press crankshaft against dial indicator by hand set indicator to 0.
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Press crankshaft away from dial indicator.
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Read clearance.
Radial clearance
Note:
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Never interchange used bearing shells.
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Bearing shells that are worn through the nickel coating must be replaced
Required equipment
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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.
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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.