11 24 571 Replacing all connecting rod bearings (S63T 0)

Special tools required: 

• 00 2 590
• 00 9 120

Necessary preliminary tasks: 

• Removing all PISTONS 

Install new connecting rod bearing shells.

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

Fig 1: Identifying Connecting Rod Bearing Shells

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Installation note: 

The bearing shells on the connecting rod are coded.

Connecting rod bearing cap (1): the red bearing shell is engaged and the fastening notches are on the left and right sides of the bearing shell (see arrows in illustration).

Connecting rod (2): the blue bearing shell is fitted and the fastening notches are one side of the bearing shell (see arrows in illustration).

Fig 2: Identifying Notches In Bearing Shells

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Use a commercially available vacuum cleaner (2) to vacuum clean cracked areas (1).

Fig 3: Cleaning Cracked Areas Using Vacuum Cleaner

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Check connecting-rod bearing play. 

Piston in BDC position.

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

Fit bearing caps so that matching numbers match up.

Fig 4: Matching Connecting Rod Cap With Connecting Rod

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

Connecting rod bolts with special tool 00 9 120 .

Tightening torque 11 24 1AZ .

Fig 5: Identifying Crankshaft, Connecting Rod Bolts, And Pairing Letters

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

Fig 6: Reading Connecting Rod Bearing Radial Clearance Using Plastigage

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CONNECTING-ROD BEARING PLAY .

• Remove Plastigage.
• Lubricate crankshaft and bearing shells.
• Install new connecting rod bolts.

Secure connecting rod bolts with special tool 00 9 120 .

Tightening torque 11 24 1AZ .

Fig 7: Tightening Connecting Rod Bolts Using Special Tool (00 9 120)

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Assemble engine.