Volkswagen Workshop Service and Repair Manuals

Engine codes AHU, ALE, 1Z

• Exhaust gas recirculation valve (N18)
• Exhaust gas recirculation valve (mechanical)
• Brake servo
• Non-return valve
• Air cleaner

Engine codes AFN, AVG

• Air cleaner
• Solenoid valve for charge pressure control (N75)
• Exhaust gas recirculation valve (N18)
• To Diesel direct injection system control unit (J248)
• Pressure unit
• ◆ For charge pressure control
• Exhaust gas recirculation valve (mechanical)
• Brake servo
• Non-return valve

• To vacuum reservoir
• ◆ In wheel housing
• Non-return valve
• ◆ White connection to charge pressure control solenoid valve -item 2 - and to vacuum reservoir