TTS Quattro Roadster L4-2.0L Turbo (CDMA) (2009)
Connecting Rod: Testing and Inspection
Connecting Rod, Measuring Radial Clearance
Connecting Rod, Measuring Radial Clearance
Special tools, testers and auxiliary items required
‹› Plastigage (R)
Procedure
Proceed as follows:
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Remove connecting rod bearing cap. Clean the bearing cap and journal.
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Place the Plastigage (R) over the entire width of the bearing journal or into the bearing shells.
‹› Plastigage (R) must rest in center of bearing shell.
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Install connector rod bearing cover and tighten bolts to 45 Nm, do not rotate crankshaft when doing so.
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Reinstall connecting rod cover.
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Compare width of Plastigage (R) with calibrated scale.
Radial clearance:
‹› New: 0.02 to 0.06 mm.
‹› Wear limit: 0.09 mm.
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Replace connecting rod bolts.