Lower Oil Pan
Lower Oil Pan
Special tools, testers and auxiliary items required
• Torque Wrench (5-50 Nm) (V.A.G 1331)
• Silicone Sealant (D 174 003 A2)
• Flat Scraper
• Hand Drill with Plastic Brush Attachment
• Protective Eyewear
Removing
- Remove the noise insulation.
- Drain the engine oil. Refer to Maintenance Procedures.
• Observe disposal regulations!
- Remove the bolts in sequence - 20 through 1 -.
- Remove the lower oil pan, and if necessary loosen by applying light strikes using a rubber mallet.
Installing
Tightening specifications, refer to => [ Oil Pan and Pump Overview ] Oil Pan and Pump Overview.
• The sealing surfaces must be completely free of oil and grease.
• Note the expiration date of the silicone sealant.
• The lower oil pan must be installed within 5 minutes after applying the silicone sealant.
• Replace the bolts which are being tightened to a torque angle.
• Replace sealing rings, seals and self-locking nuts.
- Remove any sealant residue from the upper oil pan with a flat scraper.
Risk of eye injury.
• Wear protective eyewear.
- Remove any sealant residue from the lower oil pan, for example, with a rotating plastic brush.
- Clean the sealing surfaces, they must be free of oil and grease.
- Cut the sealant tube nozzle at the front mark (nozzle diameter: approximately 0.12 in).
- Apply the silicone sealant to the clean sealing surface of the lower oil pan as shown - arrow -.
• Thickness of sealant bead: 2 to 3 mm.
• The lower oil pan must be installed within 5 minutes after application of the silicone sealant.
• The sealant bead may not be thicker than specified, otherwise the excess sealant could enter the oil pan and clog the oil intake pipe.
• Note the expiration date of the sealant.
- Immediately install the lower oil pan and tighten the new bolts - 1 through 20 - in three passes as follows:
1 - Tighten the bolts by hand
2 - Tighten the bolts to 8 Nm
3 - Tighten the bolts an additional 45° (1/8) turn
• After installing the lower oil pan, the sealant must dry for approximately 30 minutes. Only after then may the engine oil be added.
Install in reverse order of removal. When doing this note the following:
- Fill the engine oil. Refer to Maintenance Procedures.
- Check the oil level. Refer to => [ Oil Level, Checking ] Testing and Inspection.