Oil Pan: Service and Repair
Removal1. Drain the engine oil.
2. Remove the RH front wheel and the front section of the wing liner.
3. Remove the nut from the front engine mounting.
4. Remove the nut from the rear engine mounting.
5. Remove the Lambda sensor and the front section of the exhaust pipe.
6. Remove the bolt securing the torque arm to the top engine mounting.
7. Fit engine lifting beam 8393977 and raise the engine off its mountings.
8. Undo the bottom bolt and the stud securing the sump to the transmission case. To remove the stud, fit a second nut to lock the existing one and unscrew the stud by means of the inner nut.
9. Remove the bracket for the rear engine mounting and steady bar.
10. Remove the dipstick tube and unplug the connector from the oil-level sensor on the sump. Remove the sensor.
11. Fold down the edge of the splash plate and remove the two rubber plugs in the back of the transmission case. Undo the two bolts securing the sump to the block.
12. Remove the outer infill panel on the RH side.
13. Slacken the securing bolt for the RH wheel arch steady bar.
14. Remove the two bolts in the subframe front mounting.
15. Lever the subframe away from its front mounting and insert a block of wood (about 3 cm/1.2 in thick) in between.
16. Undo the bolts securing the sump to the block.
17. Remove the sump.
Installation
1. Thoroughly clean the flanges on the sump and block, using industrial petrol (benzine) to remove all traces of sealant.
2. Apply Permatex Ultra Blue (45-3020856) along the groove in the edge of the sump flange.
3. Offer up the sump and, starting in the middle, refit and tighten all the bolts.
Tightening torque: 20 Nm (15 lbs ft)
Fit the two rubber plugs in the transmission case and return the edge of the splash plate to its original position.
4. Remove the block of wood and fit the bolts securing the subframe to its front mounting.
5. Tighten the securing bolt for the wheel arch steady bar.
6. Fit the dipstick tube complete with seal. Make sure that the tube is secured properly in the bracket at the top. Refit the oil-level sensor and plug on the connector.
7. Bolt the bracket and steady bar for the rear engine mounting into position.
8. Refit the bottom bolt and stud holding together the transmission case and sump. Tighten the stud by using a second nut as before.
9. Lower the engine onto its mountings. Remove the lifting beam.
10. Fit and tighten the bolt securing the torque arm to the top engine mounting.
11. Fit the front section of the exhaust pipe and the Lambda sensor.
12. Fit and tighten the nut on the rear engine mounting.
13. Fit and tighten the nut on the front engine mounting.
14. Refit the infill panel.
15. Refit the wing liner.
16. Refit the road wheel and fill up the engine oil. Run the engine up to normal temperature and check for leaks along the sump flange.