C 230K (202.024) L4-2.3L SC (111.975) (2001)
Connecting Rod: Service and Repair
Repairing Connecting Rod
Remove, Install
1
Remove pistons
Inspect
2
Check conrods for blue discoloration, cross scores and notches
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Connecting rods with blue discoloration (caused by bearing damage), with cross scores and notches must no longer be used, Replace conrod
and balance out different conrod weights.
NOTE: See illustration information.
3
Screw conrod bearing cap to conrod
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Conrod and conrod bearing caps are marked together and located with two dowel sleeves.
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Tighten conrod bolts to initial tightening torque>
4
Measure conrod bearing basic bore, repair
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If basic bore is conical or if diameter is greater than maximum value, dress conrod bearing cap at its contact surface by max. 0.02 mm.
NOTE: See illustration information.
5
Check conrod bush inside diameter
NOTE: See illustration information.
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In the case of increased wear, Press-fitting new conrod bush
6
Align conrod.