Crankshaft Radial Play, Checking

Special Tools And Workshop Equipment Required 

• Plastigage

Conditions: 

• Do not rotate the crankshaft when checking the radial clearance.

Test Sequence: 

-- Remove the main bearing cap and clean the bearing cap and bearing journal.

-- Place the Plastigage over the entire width of the bearing journal or onto the bearing shell.

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

-- Install the bearing cap and tighten the bolts to 60 Nm. Do not rotate the crankshaft when doing so.

-- Remove the main bearing cap again.

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

Radial Clearance: 

• New: 0.017 to 0.037 mm
• Wear limit: 0.15 mm