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Exhaust System, Removing and Installing (engine Code Abz) Audi A8 D2

Exhaust ~291 words

Note. Align exhaust system free of stress. See EXHAUST SYSTEM, ALIGNING FREE OF STRESS . Checking exhaust system for leaks. See EXHAUST SYSTEM, CHECKING FOR LEAKS . Separation point between center silencer and rear silencer, SEPARATION POINT BETWEEN CENTER SILENCER AND REAR SILENCER Seals and nuts should always be replaced. Tightening torque, crossmember to floor assembly: 25 Nm (18 ft lb).

The following list pertains to (Схема №1).

  1. Exhaust manifold, left
  2. Exhaust manifold gaskets Metal side of gasket must face toward cylinder head
  3. Exhaust manifold, right
  4. Heated Oxygen Sensors (HO2S) Bank 1: HO2S Bank 2: HO2S 2 50 Nm (37 ft lb) Checking: See «OXYGEN SENSOR (O2S) CONTROL, CHECKING»(/audi/a8/d2-1994-1999/remont/fuel-system/#multiport-fuel-injection-mfi-37l-42l-v8-4v-aew-abz__oxygen-sensor-o2s-control-checking) . Coat threads with G5 grease G5 must not get into slots in HO2S probe
  5. Right-front exhaust pipe
  6. Seal
  7. Nut 25 Nm (18 ft lb)
  8. Three Way Catalytic Converter (TWC), right
  9. Double clamp Tighten evenly, 40 Nm (30 ft lb) Installation position, see «ALIGNING FRONT SILENCER»(ref-196864-S26712221882005100900000) Replace each time after loosening connection
  10. Front silencer Installation position, see «ALIGNING FRONT SILENCER»(ref-196864-S26712221882005100900000)
  11. Retaining loop Bolts to fasten bracket to floor assembly: 25 Nm (18 ft lb)
  12. Center silencer
  13. Rear silencer Checking exhaust system pre-load, see «EXHAUST SYSTEM, ALIGNING FREE OF STRESS»(ref-196864-S15234250202005100900000) Aligning tailpipes, see «ALIGNING TAILPIPES»(ref-196864-S30507278662005100900000)
  14. Retaining loop Nuts to fasten bracket to floor assembly: 25 Nm (18 ft lb)
  15. Three Way Catalytic Converter (TWC), left
  16. Hangers Location of parts, see «TWC HANGER COMPONENTS, LEFT SIDE»(ref-196864-S10941753792006060600000) and «TWC HANGER COMPONENTS, RIGHT SIDE»(ref-196864-S23899007632006060600000)
  17. Left-front exhaust pipe
  18. Flange connection of exhaust manifold/front exhaust pipe Tighten nuts evenly in several steps: 25 Nm (18 ft lb) Location of parts, see «TWC TO FRONT EXHAUST PIPE»(ref-196864-S17726296122006060600000)
  19. Nut 25 Nm (18 ft lb)

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