volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Checking activated charcoal filter shut-off valve > < Checking fuel pump
4-cyl. fuel injection engine (2-valve), Mechanics
Removing and installing parts of fuel supply system
Removing and installing parts of activated charcoal filter system
 
V20-1133

Engine codes AAM, ABS, ADZ

  • Connector
  • Solenoid valve 1 (N80)
    • ◆ Valve opens approx. 5 seconds after switching off the ignition
    • ◆ When the engine is warm the valve will be activated from the Mono Motronic control unit (pulsed)
    • ◆ Checking:

=> Repair Group 01; Self diagnosis; Final control diagnosis

  • Bracket
    • ◆ On air cleaner lower part
  • Retaining ring
 
V20-1133
  • Injection unit
  • Vent pipe
    • ◆ From gravity valve on fuel tank
      Front wheel drive => Page , Item
      Four wheel drive , Item 29
  • 10 Nm
  • Activated charcoal filter
    • ◆ Location: in front right wheel housing
    • ◆ To remove, remove air filter housing
 
N20-0011

Engine codes 2E, ADY, AGG

Note:

The arrows -A- and -B- shows the vent direction during the following conditions:

Arrow -A-:

Engine stopped and idling

Arrow -A- and -B-:

increased rpm

  • Vent pipe
    • ◆ From gravity valve on fuel tank
      , Item 27
  • Cut-off valve
  • Throttle valve housing
  • 10 Nm
  • Activated charcoal filter
    • ◆ Location: in front right wheel housing
    • ◆ To remove, remove air filter housing

Checking activated charcoal filter shut-off valve > < Checking fuel pump