Oil Pan: Service and Repair

Oil pan, removing and installing

Special tools, testers and auxiliary items required





^ T Bar and Socket 10 mm 3185





^ Multi-point socket 3249
^ Torque wrench V.A.G 1331
^ Silicone sealant D 176 404 A2
^ Hand drill with plastic brush attachment
- Protective glasses
^ Flat scraper

Removing
- Remove sound insulation tray.
- Drain engine oil.

Note: Observe disposal regulations!

- Remove turbocharger oil return pipe from oil pan.
- Loosen oil pan bolts with T Bar and Socket 10 mm 3185. (Remove with Socket 3249.)
- Remove oil pan. Loosen oil pan with light blows using a rubber headed hammer if necessary.
- Remove sealant residue from cylinder block with a flat scraper.





- Remove remaining sealant at oil pan using a rotating brush, e.g. a drill with plastic brush attachment (wear protective glasses).
- Clean sealing surfaces. They must be free of oil and grease.

Installing

Note:
^ Note the expiration date of the sealing compound.
^ The oil pan must be installed within 5 minutes after application of silicone sealant.





- Cut off nozzle on tube of sealant at front mark (dia. of nozzle approx. 3 mm).
- Apply silicone sealant to clean sealing surfaces of oil pan as shown. Sealing compound bead must be:
^ 2 to 3 mm thick
^ and run on inside of bolt holes - arrows -.

Note: Sealant bead must not be thicker than specified. Otherwise, excess sealant could get into oil pan and clog strainer in intake line of oil pump.





- Apply silicon sealant D 176 404 A2 to clean sealing surface as indicated in illustration. (The fig. shows the location of the sealant bead on the cylinder block).
- Install oil pan immediately and tighten all oil pan bolts lightly.

Note: After installing oil pan, allow sealant to dry for approx. 30 minutes. Only after then may the engine oil be replenished.

- Tighten oil pan bolts to 15 Nm.
- Tighten oil pan/transmission bolts to 45 Nm.

The rest of assembly is in reverse order of disassembling.
- Tighten oil pan/oil return line bolts to 10 Nm.