volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Checking exhaust gas recirculation valve (mechanical) > < Exhaust gas recirculation system
4-Cyl. injection engine (4-valve, roller rocker arm), Mechanics
Exhaust gas recirculation system
Servicing parts of exhaust gas recirculation system
 
N26-0251

Engine codes: AHW

Engine codes: AUA, AUB, AQQ

  • Exhaust gas recirculation valve (N18)
    • ◆ Checking:

=> Repair group 01; Final control diagnosis; Performing final control diagnosis

  • Throttle valve control part (J338)*
  • 10 Nm
  • Gasket
    • ◆ Renew
  • Intake connecting flange
  • Seal
    • ◆ Renew
 
N26-0251
  • 10 Nm
    • ◆ Note tightening sequence
      Page => 26-20 , Fig. 1
  • Connecting pipe
  • 35 Nm
    • ◆ Note tightening sequence
      Page => 26-20 , Fig. 1
  • Exhaust gas recirculation valve
  • Flange on exhaust manifold
  • Filter
  • Connector
    • ◆ 2-pin
  • To brake servo vacuum pipe
 
N26-0253

→ Fig. 1     Tightening sequence, connecting pipe on exhaust gas recirculation valve.

  • ‒ First screw on screws lightly and then tighten to specified torque in the sequence shown.
  •      1 -     Tighten screw -1-, 10Nm
  •      2 -     Tighten screw -2-, 10Nm
  •      3 -     Tighten union nut -3-, 35Nm
  •      4 -     Tighten screw -4-, 10Nm

Checking exhaust gas recirculation valve (mechanical) > < Exhaust gas recirculation system