Connecting Rod: Testing and Inspection
Connecting Rod, Measuring Radial Clearance
Special tools, testers and auxiliary items required
• Plastigage(R)
Procedure
- Remove connecting rod bearing cap.
- Clean the bearing cap and journal.
- Place the Plastigage(R) over the entire width of the bearing journal or into the bearing shells.
- Position the connecting rod bearing cap and tighten it to 50 Nm without tightening it further; do not turn the crankshaft.
- Reinstall connecting rod cover.
- Compare width of Plastigage(R) with calibrated scale.
Radial clearance:
• New: 0.010 to 0.052 mm.
• Wear limit: 0.120 mm.
- Replace connecting rod bolts.