Audi Workshop Service and Repair Manuals > A2 > Power unit | Motronic Direct Injection and Ignition System (4-Cyl.) | Mixture preparation system, electronic inj.,Gas | Servicing Motronic injection system | Dismantling and assembling intake manifold (Part 2)

Fuel rail pipe with high-pressure injectors > < Dismantling and assembling intake manifold (Part 1)

Motronic Direct Injection and Ignition System (4-Cyl.)

Servicing Motronic injection system

Dismantling and assembling intake manifold (Part 2)



Bolt ◆ 20 Nm Intake manifold Bolt ◆ 20 Nm Bolt ◆ 10 Nm Fuel-pressure regulating valve -N276 ◆ Fitting location =>Fig. 24-12 O-ring ◆ Replace if damaged



Gasket ◆ Replace ◆ Pay attention to installation position Fuel-pressure sender -G247 ◆ Fitting location =>Fig. 24-12 Lower part of intake manifold Gasket ◆ Replace ◆ Pay attention to installation position Bolt ◆ 10 Nm Sealing ring ◆ Replace if damaged



O-ring ◆ Replace if damaged Intake manifold flap potentiometer -G336 ◆ Fitting location =>Fig. 24-10 Bolt ◆ 1.5 Nm Plastic wedge ◆ Replace Vacuum actuator Bolt ◆ 20 Nm



O-ring ◆ Replace if damaged Intake manifold pressure sender -G71 ◆ Fitting location =>Fig. 24-10 Bolt ◆ 4.5 Nm Vacuum hose ◆ Between intake manifold flap air flow control valve and intake manifold



Non-return valve ◆ Black side must face downwards Bolt ◆ 3.5 Nm Intake manifold flap air flow control valve -N316 ◆ Fitting location =>Fig. 24-10 Vacuum hose ◆ Between intake manifold flap air flow control valve and vacuum actuator

Power unit
Motronic Direct Injection and Ignition System (4-Cyl.) / Mixture preparation system, electronic inj.,Gas / Servicing Motronic injection system
Dismantling and assembling intake manifold (Part 2)

Fuel rail pipe with high-pressure injectors > < Dismantling and assembling intake manifold (Part 1)