volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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Checking fuel tank breather > < Adjusting throttle cable

Polo Mk3

4-Cyl. injection engine (4 valve), Mechanics
Removing and installing parts of fuel supply system
Removing and installing parts of the activated charcoal filter system
 
N20-0177
  • Retaining ring
  • Bracket
    • ◆ On body front right
  • Solenoid valve 1 (N80)
    • ◆ Valve closed with ignition switched off
    • ◆ Valve activated (pulsed) by 1AV control unit when the engine is warm
    • ◆ Checking:

=> Repair group 01; Self-diagnosis; Final control diagnosis

  • Connector
  • Breather pipe
    • ◆ From gravity/overflow valve on fuel tank
      , Item 4
 
N20-0177
  • Intake manifold
  • Activated charcoal filter
    • ◆ Location: in front right wheel housing
    • ◆ Connections "MOTOR" to solenoid valve 1 -3 -
    • ◆ Connections "TANK" with vacuum non-return valve
    • ◆ To remove, release securing lug -arrow- and slide container out upwards

Checking fuel tank breather > < Adjusting throttle cable