TT Roadster L4-2.0L Turbo (BPY) (2008)
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Crankshaft: Testing and Inspection
Crankshaft, Measuring Radial Play
Crankshaft, Measuring Radial Play
Special tools, testers and auxiliary items required
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Plastigage
Work procedure
Note:
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Do not interchange used bearings
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Bearing shells that are worn down to the nickel layer must be replaced.
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Remove main bearing cap and clean bearing cap and pins.
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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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Position main bearing cap and tighten to 65 Nm, do not rotate crankshaft when doing so.
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Remove main bearing caps again.
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Compare width of Plastigage with measuring scale.
Radial clearance:
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New: 0.017 to 0.037 mm.
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Wear limit: 0.15 mm.
