Connecting Rods, Checking Radial Clearance
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Special tools and workshop equipment required
- Plastigage
Procedure
- Use the old bolts for radial clearance measurement.
-- Remove the connecting rod bearing cap.
-- Clean the bearing cap and pin.
-- Place the Plastigage over the entire width of the bearing journal or into the bearing shells.
-- Position the connecting rod bearing cap and tighten it with an additional turn; do not turn the crankshaft. Refer to OVERVIEW - PISTONS AND CONNECTING ROD.
-- Remove the connecting rod bearing cap again.
-- Compare the width of the Plastigage with the measuring scale.
Radial clearance:
- New: 0.027 to 0.072 mm
- Wear limit: 0.120 mm
-- Replace the bolts for the final assembly.