
2 minute read
Crankcase seal, rear, change
Engine on stand. Current disconnected. Sea-water system drained.
Special tools: 885823, 9991801, 9995112, 9995676
1. Remove the charge air pipe from the turbo and the cooling hose over the flywheel housing.
2. Undo the connector for the flywheel sensor and remove the flywheel sensor with anchorage.
3. Undo the earth (ground) cable on the starter motor.
Unscrew the starter motor and move it forwards slightly.


4. Undo the screws on the flywheel housing and remove the housing.
5. Undo the screws on the vibration damper and remove it.
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6. Install the locking tool 9995112 for the flywheel.
Undo the clutch (1) and flywheel (2). Use socket no. 885823 to undo the flywheel screws. NOTE! The flywheel is heavy. Be careful when handing it.

3. Remove the crankshaft seal ring (1) with tool no. 9995919. Clean the seal surfaces with a soft rag and denatured alcohol.
IMPORTANT! Be careful not to damage the seal surfaces.
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9997174
4. Install the crankshaft seal ring (1) on tool no. 9997174. Align the seal ring and then press it in until it ends up in the correct position, level with the engine block (2).
IMPORTANT! The seal ring dust lip is easily stretched and does not spring back again. If it has been incorrectly aligned or has been forced in, it must be changed.

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5. Undo locking tool no. 9995112 slightly and put it in its top position.
Carefully clean the crankshaft and flywheel mating faces.
Put the new flywheel in place. Lock the flywheel with the locking tool. Tighten the flywheel with new screws. Use socket no. 885823 and tighten alternately in two stages as specified in “Technical Data”.
Install the new clutch and torque the new flange screws alternately to 25 Nm as specified in “Technical Data”.
Remove the locking tool.
6. Install the flywheel housing (1) and torque the screws alternately to the value specified in “Technical Data”.
Install the starter motor and earth (ground) cable (2).
Install the crankshaft sensor (3). NOTE! Clean the crankshaft sensor before installation.
7. Install the coolant hose over the flywheel housing and the charge air pipe from the turbocharger.