LEMON Manuals: Even more car manuals for everyone
Home >> Audi >> 2004 >> A6 Base >> Repair and Diagnosis >> Engine Performance >> System >> Exhaust System - 3.0L V6 AVK >> Exhaust system, Emission controls >> Secondary air system >> Function >> Notes

Secondary air system: Function: Notes

The following list pertains to Fig 1.

  1. From air filter housing 
  2. Secondary Air Injection (AIR) Pump Motor -V101- 
  3. Secondary Air Injection (AIR) Pump Relay -J299- 
  4. Motronic Engine Control Module (ECM) -J220- 
  5. Combination valve for secondary air injection (right) 
  6. Secondary Air Injection (AIR) Solenoid Valve -N112- 
  7. Check-valve 
    • Installed position (light/dark side): Arrow points in direction of flow, as shown in figure.
  8. to Intake manifold 
  9. Combination valve for secondary air injection (left) 
  10. Vacuum reservoir 
    • Installation location: Under wheel housing liner in front left wheel housing
  11. Fig 1: Identifying Secondary Air System Components
    G02724750Courtesy of AUDI OF AMERICA, INC.