Oil pan, removing and installing
WARNING: This page is about a different variant/trim than selected.
Special tools, testers and auxiliary items required
- Hand drill with plastic brush attachment
- Flat scraper
- Silicone sealant D 176 404 A2
Removing
- Install center noise insulation pan, along with left and right sides: Refer to 50 BODY, FRONT
- Drain engine oil.
- Remove oil pan.
- Loosen oil pan with light blows from a rubber headed hammer if necessary.
- Remove sealant residue from cylinder block with a flat scraper.
- Remove sealant residue from pan with a rotating brush, e.g. a hand drill with a plastic brush attachment (wear eye protection).
- Clean sealing surfaces. Sealing surfaces must be free of oil and grease.
Installing
NOTE:
- Note the expiration date of the sealing compound.
- Oil pan must be installed within 5 minutes after applying silicone sealing compound.
- Cut off nozzle on sealant tube at front mark (nozzle approx. 3 mm diameter).
- Apply silicone sealant D 176 404 A2 , as shown, to clean oil pan sealing surface. Sealing compound bead must be:
- 2 to 3 mm thick
- and run on inside of bolt holes - arrows -
NOTE:
- The sealing compound bead must not be thicker, otherwise excess sealing compound will enter the oil pan and may block the oil suction line strainer.
- Apply silicon sealant D 176 404 A2 to clean sealing surface as indicated in illustration. (The fig. shows location of sealant bead on cylinder block.)
- Install oil pan immediately and tighten all oil pan bolts lightly.
NOTE:
- The oil pan must seat flush with the cylinder block.
- Tighten oil pan bolts to 15 Nm.
- Tighten oil pan/transmission bolts to 45 Nm.
NOTE:
- After installing the oil pan the sealant must be allowed to dry for approx. 30 minutes. Only after then may the engine oil be replenished.
The rest of assembly is in reverse order of disassembling sequence.