Installing oil pump
Note. In order to make it easier to install the oil suction pumps in the Cayenne Turbo (M48/50), it should be ensured that the driving slits on the chain sprocket are as horizontal as possible.
1. Position the oil pump slanting forwards on the lower section of the crankcase. At the same time, put the drive chain over the chain sprocket.
2. Tighten the 3 fastening screws. --> Tightening torque: 17 ftlb.
| CAUTION | Risk of damage! The tensioning rail can become wedged in! |
> Ensure that the drive chain is tense!
3. Check that the tensioning rail is in the correct position. To do this, use a finger to push the tensioning rail away slightly from the chain. When doing this, the tensioning rail must be under pressure and holding the chain under tension.
4. Mount the plastic cover of the chain sprocket. Tighten the two fastening screws. --> Tightening torque: 4.2 ftlb.
5. Secure the oil return line. Tighten fastening screw. --> Tightening torque: 7.5 ftlb.
6. Attach the four fastening screws for the oil suction tube to the lower part of the crankshaft housing. --> Tightening torque: 9.5 ftlb.
7. Fit tensioner for the timing chain. For tightening torque, refer to 15 36 19 Removing and installing chain tensioner - as of MY 2003 (Cayenne S TIP, Cayenne S MAN, Cayenne Turbo, Cayenne Turbo S, Cayenne S TIO Titan) .
1. Check that the timing chain has not jumped over. To do this, turn the engine by two turns at the crankshaft. Make sure you can turn the engine without any mechanical resistance. Otherwise, set the timing. Refer to 15 05 16 Adjusting the timings for the camshafts - as of MY 2003 (Cayenne S TIP, Cayenne S MAN, Cayenne Turbo, Cayenne Turbo S, Cayenne S TIO Titan) .
2. Reinsert the cleaned oil pan. > 175023 Installing oil pan (includes sealing) - chapter on "Installing" .
Scheme 47
1- - Drive shaft for oil pump drive; component is symmetrical, thus it is not possible to install incorrectly. (Scheme 47)
2- - Oil pump. (Scheme 47)
3- - --> Tightening torque: 17 ftlb. (Scheme 47)
4- - Gear wheels; tooth flank play: 0.20 mm; axial flank play: 0.10 mm. (Scheme 47)
5- - --> Opening pressure: 5.5 bar +/-0.2 bar; clean intake strainer. (Scheme 47)
6- - --> Tightening torque: 6 ftlb.; with screw locking agent medium-tight. (Scheme 47)
7- - Oil pressure pipe; insert with sealant. (Scheme 47)
8- - --> Tightening torque: 6 ftlb. (Scheme 47)
9- - Sealing ring; replace if damaged. (Scheme 47)
Remove oil pan. > 175019 Removing and installing oil pan - chapter on "Removing"