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Home >> Audi >> 2012 >> Q7 3.0 TDI >> Repair and Diagnosis >> Engine Mechanical >> Lubrication System >> 3.0L - Lubrication - Engine Code(S): CATA >> 17 Lubrication >> Description And Operation >> Upper Oil Pan Overview

Upper Oil Pan Overview

Fig 1: Identifying Upper Oil Pan Overview
GWWA17-10386Courtesy of AUDI OF AMERICA, LLC
  1. Spring
  2. Support
  3. Oil Pump Input Shaft
  4. Oil Pan (upper section)
  5. Bracket
    • For the electrical wiring harness
  6. Bolt
    • 9 Nm
  7. Oil Pressure Regulation Valve -N428-
  8. Bolt
    • 9 Nm
  9. Sealing Piece
    • Replace
    • 2 pieces
  10. Bolt
    • Tightening specification and sequence, refer to Fig 3
  11. Crankshaft Shaft Seal, Belt Pulley Side
  12. Right Idler Roller for Ribbed Belt
    • Pay attention to the installed position
  13. Idler Roller Cover
  14. Bolt
  15. Sealing Flange (belt pulley side)
  16. O-ring
    • Replace
  17. Oil Pressure Switch -F22-
    • 20 Nm
    • Switching pressure 2.5 to 3.2 bar
    • 2-pin, gray insulation
    • Removing and installing, refer to Oil Pressure Switch -F22- 
  18. Seal
    • Replace
  19. Bolt
    • 9 Nm
  20. Oil Dipstick
  21. O-ring
    • Replace
  22. Guide Tube for oil Dipstick
  23. Bolt
    • 9 Nm
  24. O-ring
    • Replace
  25. O-rings
    • Replace
  26. Gasket
    • Replace
  27. Bolt
    • 9 Nm
  28. Oil Return Pipe
  29. O-ring
    • Replace
  30. Gasket
    • Replace
  31. Alignment Bushing
    • 2 pieces
  32. Bolt
    • Tightening specification and sequence, refer to Fig 2
  33. Bolt
  34. Locking Bolt for the "TDC" Marking.
    • 35 Nm
    • Use a long hex socket wrench with a ball head for removing and tightening
  35. Seal
    • Replace
Fig 2: Identifying Upper Oil Pan, Tightening Specifications and Sequence
GWWA17-10169Courtesy of AUDI OF AMERICA, LLC

-- Tighten bolts in 2 stages as follows:

Step Bolt Tightening Specification
1. -1 through 4- 5 Nm in a diagonal sequence
2. -1 through 4- 15 Nm in a diagonal sequence
Fig 3: Identifying Sealing Flange -Arrow- Bolts -- Tighten Diagonally
GWWA13-10071Courtesy of AUDI OF AMERICA, LLC