Note: The cover is held in place by a circlip. After removing the retaining ring, you can remove the cover from its seat. The cover and retaining ring must be replaced. Never install a new cover with a hammer, do not lubricate or touch the middle seal with your hands!
To carry out work on the cover of the gearbox must be removed.
Remove checkpoint.
Note: The oil is checked and drained through the level plug -arrow-.
Unscrew the screw plug for level control.
Note: Behind this plug is a plastic overflow pipe, which can be tightened with an 8 mm Allen key to a torque of 3 Nm. The length of the overflow tube determines the oil level in the gearbox and the part number must be taken into account when replacing this tube.
Remove the overflow pipe - see arrow-. Runs out approx. 5.0 liters of oil. Leave a pan to collect oil under the gearbox. Screw on the overflow pipe and tighten to the specified torque.
Unscrew oil filter housing -1- from gearbox. Before removing the oil filter housing, tilt it slightly so that the oil flows back into the gearbox. Replace O-ring -2-. Remove filter -3-. Lubricate new O-ring -2- with gear oil.
When changing transmission oil, it is not always necessary to change the transmission oil filter. Therefore, it is necessary to follow the instructions when to change the transmission oil filter and when not. Lubricate the O-ring in the flange on the suction side - see Fig. arrow - a new oil filter with gear oil. Install a new oil filter with the flange on the intake side - see illustration. down arrow and tighten the filter housing to the specified torque.
After repair, fill the filter with oil again, do not replace. Remove retaining ring from cover. The cover can be lifted up and removed with a screwdriver. Install only "new" cover.