11 24 571Replace all connecting rod bearings (S85)

Special tools required:

Important!
Note grinding stages of crankshaft.

Necessary preliminary tasks:

Use new connecting rod bearing shells.Installation note:

Install one blue (1) and one red (2) bearing shell in each connecting rod.

Install all pistons.


Note:

Check connecting-rod bearing play.


Piston in BDC position.

Fit special tool 00 2 590 (Plastigage type PG 1) to oil-free crankshaft.

Place bearing caps in position, making sure that matching numbers are paired.

Important!

Do not twist connecting rods or crankshaft.


Use the old connecting rod bolts to check connecting-rod bearing play.

Tighten down connecting rod bolts with special tool 00 9 120 .

Tightening torque: 11 24 1AZ.

Remove connecting rod bearing cap and read off radial clearance at width of crushed Plastigage with assistance of measuring scale.

Connecting-rod bearing play: Refer to technical data.

  • Remove plastic thread.
  • Lubricate crankshaft and bearing shells.
  • Insert new connecting rod bolts and tighten.

Tightening torque: 11 24 1AZ.

Assemble engine.
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