Audi Workshop Service and Repair Manuals > A3 Mk1 > Power unit | 4-cyl. Diesel Direct Injection Engine (TDI), Mech. Components | Exhaust system | Exhaust gas recirculation system | Exhaust gas recirculation connection diagram

4-cyl. Diesel Direct Injection Engine (TDI), Mech. Components

Exhaust gas recirculation system

Exhaust gas recirculation connection diagram - engine codes ALH, AHF, ASV



Mechanical EGR valve To the vacuum unit for boost pressure control ◆ At turbocharger To vacuum unit for intake manifold flap Intake manifold flap changeover valve -N239 Vacuum line ◆ From T-piece -Item 7- EGR valve -N18



T-piece Boost pressure control solenoid valve -N75 Non-return valve From brake servo Air cleaner Non-return valve Exhauster ◆ For brake servo Vacuum reservoir

Audi Workshop Service and Repair Manuals