Sump/oil pump – assembly overview and fastening

• 1 Nut
  • 9 Nm
• 2 Oil level and oil temperature sender - G266-
  • Removing and installing ⇒ 1.6 Removing and installing oil level and oil temperature sender G266
• 3 Seal
  • Renew after removal
• 4 Oil drain plug
  • Renew

• 5 Seal
  • Renew after removal
• 6 Lower part of sump
  • Removing and installing ⇒ 1.3 Removing and installing lower part of sump
• 7 Bolt
  • Renew after removal
  • 5 Nm + 90°
• 8 Dowel sleeve
  • Qty. 2
• 9 Cover
  • For oil pump chain sprocket
• 10 Drive chain
  • For oil pump.
  • Before removing, mark running direction with paint
• 11 Bolt
  • Renew after removal
  • Specified torque and tightening sequence ⇒ 1.1 Assembly overview - sump/oil pump
• 12 Upper part of sump
  • Removing and installing ⇒ 1.4 Removing and installing upper part of sump
• 13 Baffle plate
• 14 Sprocket
  • For oil pump drive.
• 15 Dowel pin
• 16 Oil filters
  • Remove and install with oil filter tool - 3417-
  • Before installing, lightly coat seal with clean engine oil.

• If threaded connection for oil filter in top section of sump is loosened ⇒ Fig. ““Tightening connecting union for oil filter”“, page 195
• 20 Nm

• 17 Seal
  • With oil strainer
• 18 Oil pump
  • Removing and installing ⇒ 1.5 Removing and installing oil pump
• 19 Bolt
  • 10 Nm
• 20 O-ring
  • Renew after removal
• 21 Oil intake tube
  • Clean strainer if soiled
• 22 Bolt
  • Renew after removal
  • Tightening sequence ⇒ 1.1 Assembly overview - sump/oil pump

Tightening connecting union for oil filter

• If the connecting union -2- in the top section of sump -1- is loose, retighten it as described below.

Use only the two nuts -3 and 4- for this procedure.

• Hexagon nuts - 068 115 723-, qty. 2 ⇒ Electronic Parts Catalogue

• Screw nuts -3- and -4- onto connecting union -2-, and counterlock them.
• Tighten connecting union -2- using nut -3-.
• Loosen the two nuts and remove them, taking care not to loosen the connecting union.

Torque setting

Lower part of sump - specified torque and tightening sequence

• Tighten bolts in stages in the sequence shown.

Upper part of sump - specified torque and tightening sequence

• Tighten bolts in stages in the sequence shown.