Injection System

Multiport Fuel Injection System

Fuel Injector Assembly





1 Fuel supply line
• 25 Nm (18 ft lb)

2 Fuel return line
• 25 Nm (18 ft lb)

3 10 Nm (7 ft lb)

4 Clamp for fuel pressure regulator

5 Seals
• Always replace

6 Fuel pressure regulator
• Checking system and residual pressure

7 Fuel rail
• Also serves as retainer for fuel injectors

8 Safety clamp for fuel injector

9 Seal
• Always replace

10 Injectors

11 Seal
• Always replace

12 Compound intake manifold

Intake Manifold Assembly





1 Intake manifold upper section

2 10 Nm (7 ft lb)

3 20 Nm (15 ft lb)

4 Seal
• Always replace

5 Idle Air Control (IAC) valve -N71-
• 6 - 10 Nm (7 ft lb)

7 6 Nm (53 in lb)

8 Flange

9 Intake manifold, lower section

10 Gasket
• Always replace 11 - 10 Nm (7 ft lb)

12 Vacuum unit

13 20 Nm (15 ft lb)

14 Throttle Body (TB)

15 Gasket
• Always replace

16 20 Nm (15 ft lb)

17 EGR vacuum regulator solenoid valve

18 EGR temperature sensor -G98-
• On EGR vacuum regulator solenoid valve

19 10 Nm (7 ft lb)

20 Gasket
• Always replace

21 10 Nm (7 ft lb)