Assembling the Belt Drive

Belt drive, assembling

Note! The illustrations in this service information are used for different model years and/or models. Therefore there may be some variation. However, the essential information in the illustrations is always correct.

Tightening
For tightening torques not in the text, see Tightening torque Tightening Torque.

Installing the thermostat housing and water pump





Install
- the coolant outlet pipe on the cylinder head.
Use a new gasket. Tighten to 17 Nm.
- the rear timing cover. Screw the cover into place at the three mounting points
- thermostat housing / cable duct. Use a new gasket. Ensure that the coolant temperature sensor cable and cable duct are correctly positioned.
- the thermostat. Use a new gasket
- the thermostat cover. Tighten
- the water pump with new gasket. Apply thread sealant, P/N 11-61 056, to all the screws for the water pump. Tighten alternately.

Installing the oil pump





Use a new gasket and new O-ring around the pump housing.
Screw sliding sleeve 999 5747 Socket 999 5747 Socket into place at the front of the crankshaft journal.
Press in the pump over the sliding sleeve.
Apply thread sealant, P/N 11-61 056 to all the screws for the oil pump.
Install the screws as a guide.
Carefully tap in the oil pump with a rubber mallet.
Tighten the oil pump crosswise.
Remove the sliding sleeve 999 5747.
Install the fuel delivery line.

Installing the crankshaft timing gear pulley





Note! The timing gear pulley can only be installed in one position at the splines on the crankshaft journal (see the illustration).

Carefully tap in the timing gear pulley with a rubber mallet.

Installing the idler pulley and belt tensioner

Install
- idler pulley. Tighten
- the tensioner damping unit.
- the belt tensioner and the center screw. Ensure that the tensioner fork is centered over the cylinder block rib. Do not tighten
- the lower belt guard at the oil pump
- the fuel delivery line.

Checking and adjusting the variable valve timing unit
Check and adjust the variable valve timing unit. See: Variable valve timing unit, checking and adjusting Adjustments.

Installing the vibration damper





Install
- the crankshaft pulley for the auxiliaries belt
- counterhold 999 5433 COUNTERHOLD 999 5433 Counterhold.
- the crankshaft center nut. Tighten to 300 Nm.

Remove counterhold 999 5433.
Install the vibration damper. Use new screws. Tighten to 35 Nm. Angle tighten 50°. Use the crankshaft center nut as a counterhold.