Procedures
Replacing The Oil Pump And Front Crankshaft Seal
Special Tools: 999 5433, 998 6187, 999 5919, 999 5455, 951 2050
Removing the timing belt
Remove the timing belt.
Removing the vibration damper
- Install counterhold 999 5433
- Counterhold and remove the crankshaft center nut
- Work the vibration damper loose and remove by hand
- Remove the timing belt.
Removing the crankshaft timing gear pulley
- Use universal puller 998 6187 and two of the vibration damper screws
- Tighten both the screws by hand to stop in the pulley
- Install the puller so that the claws engage in the screws, not in the camshaft pulley.
NOTE: Ensure that the tool claws do not damage the pulley teeth.
When only replacing the front crankshaft seal
- Remove the old seal using a groove-cut chisel or: 999 5919
- Clean the mating surface
- Grease and install a new seal.
Use tool 999 5455
- Press in the seal using a drift and the crankshaft center nut as shown in the above figure.
NOTE: Ensure that the crankshaft does not rotate when pressing in the crankshaft seal.
Removing the oil pump
- Remove the four oil pump screws
- Remove the oil pump.
Use a groove-cut chisel and carefully break at the stop lugs
- Clean the gasket face and the mating surfaces.
Installing the oil pump
Install the new oil pump.
- Install a new gasket
- Carefully insert the oil pump over the end of the crankshaft.
NOTE: Do not damage the sealing ring in the oil pump during installation.
- Install 4 new screws as guides
- Pull in the oil pump with drift 999 5455 and the crankshaft center nut.
NOTE: Ensure that the crankshaft does not rotate when drawing in the pump.
- Tighten the screws crosswise. Tighten to 10 Nm
- Install the crankshaft timing gear pulley.
Carefully tap alternately around the pulley until end position is reached.
NOTE: The timing gear pulley can only be in one position on the splines on the end of the crankshaft.
Installing the vibration damper
- Install the vibration damper.
- Tighten the center nut to 180 Nm.
- Use counterhold 999 5433.
- Remove the counterhold. Tighten the screws. Tighten to 25 Nm.
- Angle-tighten 30 degrees. Use bevel protractor 951 2050.
Installing the timing belt
Install the timing belt.