11 25 530 Removing And Installing/Replacing All Pistons (N62): Removal

Removal of pistons is described separately from installation. Assembly sequence for removal and installation is different.

Mount engine on assembly stand.

Remove both cylinder heads. Refer to 11 12 105 REMOVING AND INSTALLING LEFT CYLINDER HEAD (N62 FROM 9/03 AND N62TU)  and 11 12 106 REMOVING AND INSTALLING RIGHT CYLINDER HEAD (N62 FROM 9/03 AND N62TU) .

Unscrew oil sump.

Remove oil pump. Refer to 11 41 000 REMOVING AND INSTALLING/REPLACING OIL PUMP (N62) .

In event of heavy oil carbon residue:

Carefully remove oil carbon residue from cylinder wall.

Fig 1: Identifying Oil Carbon Residue On Cylinder Wall

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Fig 2: Locating Piston Cooling Spray Nozzles

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Remove connecting-rod cover.

Set down conrod bearing caps in order.

Fig 3: Removing Connecting-Rod Cover

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Insert special tools 11 8 151 and 11 8 152 in conrod.

Fig 4: Inserting Special Tools 11 8 151 And 11 8 152 In Conrod

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Remove connecting rod with piston from cylinder-head side.

Lift out retaining ring and press out piston pin.

Fig 5: Removing Piston Pin Retaining Ring

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