Connecting Rods, Checking Radial Clearance

Special tools and workshop equipment required 

• Plastigage

Procedure 

-- 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.

• The Plastigage must rest in the center of the bearing shell.

-- Position the connecting rod bearing cap and fasten with the old bolts  ) OVERVIEW - PISTONS AND CONNECTING ROD. Do not turn the crankshaft at the same time.

-- Remove the connecting rod bearing cap again.

-- Compare the width of the Plastigage with the measuring scale.

Radial clearance:

• New: 0.02 to 0.06 mm.
• Wear limit: 0.08 mm.

-- Replace the connecting rod bolts.