Oil Pan: Service and Repair
WM 175019 Removing and installing oil pan on V6 DFI engines
Technical values
Preliminary work
Information
- Collect oil in a clean container so that it can be re-used.
1. Fit hook for workshop crane and support engine on the body.=> 1001IN Supporting V6 3.6-litre DFI engine on the body
2. Drain engine oil.=> 170117 Engine oil and oil filter change on DFI engines - section on "Draining"
3. Remove oil dipstick together with guide tube.
4. Remove engine guard. => 108019 Removing and installing engine guard (underbody panel) on DFI engines - section on "Removing"
5. Remove the front-axle carrier. => 400619 Removing and installing front axle carrier
6. Remove steering gear.=> 48901900 Removing and installing steering gear - section on "Removing"
7. Remove front-axle final drive.=> 39881900 Removing and installing all-wheel final drive - section on "Removing"
8. Remove engine carrier.=> 103019 Removing and installing engine carrier for DFI engines - section on "Removing"
Removing the oil pan
WARNING
Engine oil is toxic.
- Danger of poisoning.
-> Do not consume food or drink while working (danger of mixing).
-> If swallowed, observe the warning information on the containers, contact a doctor if necessary and show the information on the containers.
WARNING
Danger of scalding with hot engine oil.
-> Allow engine and components to cool down.
-> Avoid contact with the skin and eyes.
-> Wear suitable protective clothing.
WARNING
Oil is combustible.
- Risk of fire due to oil and hot components (exhaust manifold, etc.)
-> Do not pour engine oil over very hot components (e.g. turbocharger).
-> Never place cloths soaked with oil on hot engine components.
-> In case of fire, use CO2 or dry powder fire extinguishers.
1. Disconnect electrical plug -a- on the oil level sensor.
Oil level sensor
2. Unscrew four fastening screws between oil pan and transmission.
3. Unscrew oil pan fastening screws opposite to the order shown - i.e. from 25 to 1 -.
Oil pan threaded joint
4. Remove oil pan.
4.1. Detach adhered oil pan by knocking lightly with a rubber hammer.
4.2. Remove any residual sealant on the crankcase using a plastic wedge.
4.3. Clean sealing surfaces thoroughly.
4.4. Remove any residual silicone using a special plastic brush. => Power drill attachment
Power drill attachment
Installing oil pan
NOTICE
Oil pump suction line blocked
- Risk of engine damage
-> The bead of sealing compound must not be thicker than => Diameter: 3 mm.
NOTICE
Incorrect handling of oil pan
- Risk of damage to transmission housing
-> Oil pan and transmission must be perfectly aligned.
-> Press oil pan firmly against the transmission when fitting it on the crankcase.
1. Apply an all-round bead of sealant to the cleaned and degreased oil pan. Apply the bead to the inside of the screw holes - arrows -.
Bead of sealant
2. Press oil pan simultaneously against the transmission and the crankcase and tighten the fastening screws by hand.
2.1. Then tighten the fastening screws in the sequence shown - i.e. from 1 to 25 -. => Tightening torque: 12 Nm (9 ftlb.)
2.2. Tighten fastening screws between transmission and oil pan. For details of tightening torque, see:=> 343527 Removing and mounting transmission - section on "Installing"
Oil pan threaded joint
Subsequent work
Information
- The sealant must be allowed to dry for approx. 30 min after the oil pan has been assembled. Only then should you fill with engine oil.
1. Install engine carrier. => 103019 Removing and installing engine carrier - section on "Installing"
2. Install front-axle final drive.=> 39881900 Removing and installing all-wheel final drive - section on "Installing"
3. Install steering gear.=> 48901900 Removing and installing steering gear - section on "Installing"
4. Install the front-axle carrier. => 400619 Removing and installing front axle carrier
5. Install engine guard.=> 108019 Removing and installing engine guard (underbody panel) on DFI engines
6. Fit oil dipstick together with guide tube.
7. Fill in engine oil and check oil level.=> 170117 Changing engine oil and oil filter on DFI engines
8. Remove hook for workshop crane.=> 1001IN Supporting V6 3.6-litre DFI engine on the body
Installation position of hook for workshop crane