Removing Oil Pan
WM 175021 Removing oil pan
Preliminary work
Preliminary work
1. Remove engine guard.
Engine guard
2. Drain coolant circuit.
Draining coolant
Information:
If the oil does not yet have to be replaced, collect it in a clean container and use again.
3. Drain oil. To do this, loosen and unscrew the two oil drain plugs.
Oil drain plugs
4. Clean oil drain plugs and screw in with a new sealing ring. - Tightening torque: 37 ftlb.
Information:
If the transmission is still connected, the 2 lower transmission screws must be removed first.
Transmission screws
5. Support the engine on the body.
Supporting the engine on the body
6. Remove the front-axle carrier.
7. Remove engine carrier.
8. Loosen lock carrier (service position).
9. Remove oil dipstick.
V8 engines
10. Disconnect oil level sensor. To do this, pull off the connector and take the cable out of the fixing clip on the oil pan.
Oil level sensor
11. Remove pulley from the crankshaft. The central screw must not be reused.
Pulley on crankshaft
12. Remove oil-filter console. To do this, unscrew the 4 fastening screws (3 x M8 x 70 and 1 x M8 x 45). Pull oil-filter console off forwards.
Fastening screws for oil-filter console
Tools and materials
Special tools
Tools
Information
Component overview
Oil pan - overview
1 - Oil pan; plastic feeder must not be removed.
2 - Sealant application; remove silicone residues; no more than 5 minutes should pass between the time application begins and screwing. Do not smear the sealing bead when putting on the oil pan.
3 - Fastening screw M6 x 25
4 - Sealing ring 18 x 24; replace
5 - Drain plug; clean
6 - Oil level sensor (TOC); replace seal
7 - Fastening screw M6 x 25
8 - O-ring, 11.2 x 2.65, replace
9 - Oil dipstick
10 - Fastening screw with coned half dog M6 x 16
11 - O-ring, 23 x 3, replace, grease before assembly
12 - Socket; disassembly with spacer ring 9597/1 and internal puller; assembly with assembly driver 9691
13 - O-ring, 25; replace, grease before assembly
14 - Molded seal; replace
Removing oil pan
Removing the oil pan
Information:
The description only applies when installed.
If the oil pan is removed when the transmission is disconnected, the oil pan must be aligned with the aid of a dial gauge (see chapter Aligning oil pan with a dial gauge).
To remove the oil pan, it is not necessary to remove the timing case cover. If the timing case cover is removed while carrying out work later, the oil pan must be removed with it.
Oil pan in V8 - engine
Information:
In the case of the Cayenne Turbo, the oil suction pump of the turbocharger must also be removed. To do this, release screws -1 to 6- one after the other.
Turbocharger oil suction pump fastening screws
1. Remove oil transfer sleeve. To do this, insert internal puller into the opening and tighten. While doing this, counter the puller with an open-ended wrench.
Oil transfer sleeve
2. Subsequently, tighten the nut on the puller until the sleeve can be pulled out.
Nut on puller
3. Release foot of timing-case cover. Unscrew the 5 lower fastening screws M 6 x 25 with an E10 wrench.
4. Release oil pan. To do this, unscrew the 24 fastening screws M 6 x 20 with an E10 key.
Information:
If the oil pan is stuck, loosen it by gently tapping with a plastic hammer.
5. Remove oil pan. Remove the oil pan from the crankshaft. At the same time, swing downwards and forwards.
6. Clean sealing faces. Brush off rest of the sealant with a plastic brush and then degrease the sealing face.
Information:
The black plastic feeder must not be taken out of the oil pan.
If this component has been damaged or removed, the entire oil pan must be removed.