Upper and lower sections of oil pan, removing and installing: Installing:

See Caution for connecting Telematics battery  under LUBRICATION SYSTEM COMPONENTS, REMOVING AND INSTALLING .

Install in the opposite order to removing. When installing, note the following points:

• Clean sealing surfaces; ensure that they are free of oil grease.
  WARNING: Wear protective goggles.
• Remove any residues of sealant on oil pan and engine block using plastic brush attachment, or similar.
  NOTE: The oil pan must be installed within 5 minutes after applying silicone sealant D 454 300 A2.
  Fig 1: Removing Sealant On Oil Pan

  Courtesy of AUDI OF AMERICA, INC.
• Cut off nozzle of tube at front marking (diameter of nozzle approx. 3 mm).
  • Thickness of sealant bead: 2 - 3 mm
  Fig 2: Cutting Off Nozzle Tube

  Courtesy of AUDI OF AMERICA, INC.
  NOTE: The bead of sealant must not be thicker than 3 mm, as otherwise excess sealant may enter the oil pan and block the strainer in the oil intake line.
• Make sure sealing surface is clean and then apply silicone sealant on sealing surface of oil pan, as shown in illustration. (Illustration shows position of sealant on cylinder block.)
  NOTE: Be particularly careful when applying the sealant around the rear sealing flange -arrows in illustration-.
• Locate oil pan in position immediately, and tighten all bolts securing pan to cylinder block to 5 Nm initially.
• Tighten bolts securing oil pan to transmission to 45 Nm.
• Tighten bolts securing oil pan to cylinder block in diagonal sequence in 2 stages; tighten to 10 Nm when tightening second time.
• Tighten M10 bolts securing oil pan to cylinder block to 45 Nm.
  Fig 3: Applying Silicone Sealant

  Courtesy of AUDI OF AMERICA, INC.
• Clean both sealing surfaces for lower section of oil pan; make sure that they are free of oil and grease.
  NOTE: Do not use any adhesive or sealant.
• Install new gasket on lower section of oil pan and install on upper section of pan with two diagonally opposite bolts.
• Tighten all securing bolts hand-tight.
• Tighten bolts to 10 Nm with torque wrench, working from center outward.
• Install new seal on oil drain plug and tighten to 30 Nm.
  NOTE:

  • When installing the upper section of the oil pan with the engine removed from the vehicle, make sure that the pan is positioned flush with the cylinder block at the flywheel end.
  • The sealant must be left to dry for about 30 minutes after installing the oil pan before the engine can be filled with oil.
• Fill with coolant. See COOLING SYSTEM, DRAINING AND FILLING .
• Fill engine with oil.

  Oil capacities, see ENGINE OIL, FILLING

• Install subframe.

  See SUBFRAME & SUBFRAME BUSHINGS .

• Install lock carrier in normal position.

  See LOCK CARRIER, SERVICE POSITION .

• Install bumper.

  See FRONT BUMPER .

• Install noise insulation.