LEMON Manuals: Even more car manuals for everyone
Home >> Audi >> 2017 >> A7 Quattro Competition >> Repair and Diagnosis >> External Pages >> Different car >> Section 112 (Engine Lubrication System (Service Information - 4.0L - CEUC, CRDB, CTGE, CWUB, CWUC)) >> 17 Lubrication >> Oil Circuit >> Overview - Mechanical Control Valve, Check Valve, Cover In Inner V

Overview - Mechanical Control Valve, Check Valve, Cover In Inner V

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 Audi S7, 2018 Audi RS 7, 2017 Audi S7, 2017 Audi RS 7, and 2016 Audi S7. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Exploded View Of Mechanical Control Valve And Check Valve For Hydraulic Adjusters
GWWA17-10675Courtesy of AUDI OF AMERICA, LLC
  1. O-Ring
    • Always replace
  2. Check Valve
  3. Oil Screen
  4. Seal
    • Always replace
  5. Bolt
    • Tightening specification and sequence. Refer to Fig 2.
    • Always replace
  6. O-Ring
    • Always replace
  7. Bolt
    • Tightening specification, refer to -item  ) Bolt-.
  8. Piston Cooling Nozzle Control Valve -N522-
  9. Oil Pressure Switch, Level 3 -F447-
  10. Seal
    • Always replace
  11. Cover
  12. Plug
    • 30 Nm
  13. Mechanical Switch Valve
  14. O-rings
    • Always replace
Fig 2: Cover Bolts Tightening Sequence
GWWA17-11072Courtesy of AUDI OF AMERICA, LLC
NOTE:

Replace the bolts that were tightened with an additional turn.

-- Tighten the bolts in stages as follows:

Step Bolts Tightening Specification/Additional Turn
1. -1 to 11- Install by hand all the way
2. -1 to 11- 5 Nm diagonally
3. -1 to 11- In a diagonal sequence, turn an additional 90°