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Testing fuel injection control > < Diagram of hoses for boost pressure control - engine code AFF, 1Z

A4 Mk1

#Diesel direct injection and glow #plug system (4-cyl.)>06.97
Testing boost pressure system
Diagram of hoses for boost pressure control - engine code AFN
 
A23-0020
  • Connecting pipe between intercooler and intake manifold
    • ◆ With pressure connection from intake manifold pressure sender -G71
  • Vacuum supply
    • ◆ For exhaust gas recirculation
  • Control unit with intake manifold pressure sender -G71
    • ◆ In E-box in plenum chamber
  • Vacuum supply
    • ◆ For air conditioner
  • Vacuum supply
    • ◆ For servo unit
  • Vacuum pump
 
A23-0020
  • Vacuum unit for boost pressure control
  • Vacuum connection on vacuum reservoir
    • ◆ To non-return valve - Item 14
  • Vent connection
    • ◆ To air cleaner - Item 15
  • Solenoid valve for boost pressure limitation -N75
  • Vacuum reservoir
  • Control connection
    • ◆ To vacuum unit - Item 7
  • Vacuum connection
    • ◆ To non-return valve - Item 14
 
A23-0020
  • Non-return valve
    • ◆ Position: Grey connection facing solenoid valve
  • Vent connection on air cleaner
  • Vent line
    • ◆ For exhaust gas recirculation

Testing fuel injection control > < Diagram of hoses for boost pressure control - engine code AFF, 1Z