Lower Oil Pan
Lower Oil Pan
Special tools, testers and auxiliary items required
• Hand drill with plastic brush attachment
• Protective goggles
• Sealant, refer to the Parts Catalog
Removing
- Drain the engine oil.
Vehicles without the After-Run Coolant Pump (V51) :
- Remove the bolt - 1 - and nut - 3 - and the lock carrier left brace - 2 -.
• To collect escaping motor oil, lay a cloth under the oil cooler.
- Remove the bolts - arrows - and move the oil cooler to the side with the coolant hoses - 1 and 2 - still connected.
Vehicles with the After-Run Coolant Pump (V51) :
- Remove the after-run coolant pump. Refer to => [ After-Run Coolant Pump (V51) ] After-Run Coolant Pump (V51) and the oil cooler, refer to => [ Engine Oil Cooler ] Engine Oil Cooler.
- Remove the nuts - arrows - and the stabilizer bar.
Vehicles with S-Tronic Transmission 0B5
- Remove the bolt - arrow - from the ATF pipes.
• Ignore - 1 and 2 -.
All Vehicles
- Disconnect the electrical connector - 2 - on the oil level thermal sensor (G266) and free up the electrical wire.
- Remove the bolts - 1 - for the lower section of the oil pan.
- Carefully loosen the lower section of the oil pan from the bond without bending it.
Installing
• Tightening specifications, refer to => [ Lower Oil Pan, Tightening Specifications and Sequence ] Service and Repair.
• Replace sealing rings.
• Replace the lower oil pan if the coating on it is damaged or if it is bent.
Risk of contaminating lubricating system and bearing.
• Cover open parts of engine.
Danger of eye injury.
• Wear protective goggles.
- Remove the sealant residue on the lower and upper sections of the oil pan, for example using a rotating plastic brush.
• Make sure the coating on the lower oil pan is not damaged.
- Clean any oil or grease off the sealing surfaces.
• Note the expiration date of the sealing compound.
- Cut the tube nozzle at the front marking (nozzle diameter approximately 1 mm).
The lubrication system could be plugged with excess sealant.
• Do not apply sealant bead thicker than indicated.
- Apply the sealant bead - arrow - to the clean sealing surfaces of the lower oil pan as shown in the illustration.
• Thickness of sealant bead: approximately 1.5 mm
• Install the lower oil pan within five minutes of applying the sealant.
- Position the lower section of the oil pan and tighten the bolts. Refer to => [ Lower Oil Pan, Tightening Specifications and Sequence ] Service and Repair.
Install in reverse order of removal paying attention to the following:
Vehicles with S-Tronic Transmission
- Install ATF lines.
All Vehicles
- Install stabilizer bar.
- Install the oil cooler. Refer to => [ Engine Oil Cooler ] Engine Oil Cooler.
- Fill the engine oil and check the level.