Removing and Installing Check Valve - Engine Installed

Removing and installing check valve - engine installed
View of the check valve














Removal
1. Raise the vehicle at the jacking points.

Caution: Danger of material damage if the vehicle is raised incorrectly or if the vehicle is driven incorrectly onto the lifting platform!
^ Lift the vehicle only at the take-up points shown in the figure!
^ When driving onto a platform lift, make sure that there is sufficient distance between the platform lift and the vehicle!

2. Remove oil filler cap.





3. Undo the oil drain plug (a/f 19) on the oil container. Make sure to counter with a wrench (a/f 27) when doing this. Unscrew the loosened plug and drain the oil.

Caution: Danger of scalding from draining oil!
^ Take suitable protective measures to avoid scalding by hot oil





4. Equip oil drain plug with new sealing ring and tighten. Make sure to counter with a wrench when tightening. Tightening torque 60 Nm (44 ft. lbs.).





5. Undo oil drain plug on the crankcase. Unscrew the oil drain plug (a/f 15) and drain the oil. Then equip the plug with a new sealing ring and tighten.
Tightening torque 70 Nm (52 ft. lbs.).

Caution: Danger of scalding from draining oil!
^ Take suitable protective measures to avoid scalding by hot oil





6. Undo the lower right-hand fastening point of the oil tank.





7. Loosen and remove two hexagon-head bolts (M6 x 16) on the flexible flange of the oil tank.
8. Carefully press the flexible flange off the check valve with a plastic spatula; a second person should press the oil tank to the right at the same time. Insert a suitable piece of wood between the crankcase and oil container.

Danger: Risk of damage!
^ Do not twist the flange.

9. Undo the fastening screw (M8 x 30) and pull the check valve off the crankcase. Push the oil container aside at the same time.

Installation
1. Coat the new sealing rings of the check valve with Vaseline and fit them. Push the oil container aside at the same time.
2. Equip the flexible flange with a new sealing ring, put the flange on the check valve without using excessive force and fasten it in place.





3. Screw down the oil tank fastening point on the lower right side.
4. Fill in engine oil.

Note:
^ The oil change quantity (without oil filter change) is approximately. 7.8 liters after a dripping time of 20 minutes!

5. Warm the engine up to operating temperature and carry out a leak test.
6. Check the oil level.





7. Check engine oil level. Check engine oil level on the instrument cluster. Top up engine oil until the 7th segment of the on-board computer display lights up. The following conditions must be maintained for the measurement.
^ Vehicle horizontal
^ Engine at operating temperature
^ Engine idling
^ Vehicle stationary