11 24 571 Replacing all connecting rod bearing shells (W20)

Special tools required:

Necessary preliminary tasks:

Release connecting rod bolts (2 and 3).

Remove connecting rod bearing cap (1).

Release connecting rod bolts (5 and 6).

Remove connecting rod bearing cap (4).

Fig 1: Identifying Connecting Rod Bearing Cap And Connecting Rod Bolts

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IMPORTANT: Risk of damage to cylinder wall and to crankshaft.
Gently release connecting rod from crankshaft.
Lift out crankshaft (1).

Fig 2: Locating Connecting Rods

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Installation note:

Pay attention to guide lugs during installation.

Insert conrod bearing shells (1 and 2).

Connecting rod (1) bearing shell color brown .

Connecting rod bearing cap (2) bearing shell color blue .

Fig 3: Identifying Connecting Rod And Bearing Cap

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

Tightening torque 11 24 1AZ .

Fig 4: Identifying Connecting Rod Bearing Cap And Connecting Rod Bolts

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Assemble engine.