Injection System
FUEL RAIL AND INJECTORSCAUTION!
Seals must always be replaced.
Fuel Rail And Injectors:
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
• Checking
11 Seal
• Always replace
12 Compound intake manifold
INTAKE MANIFOLD ASSEMBLY
CAUTION!
Seals must always be replaced.
Intake Manifold:
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
• Checking
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 valve
18 EGR temperature sensor
• On intake manifold under throttle body
19 10 Nm (7 ft/lb)
20 Gasket
• Always replace
21 10 Nm (7 ft/lb)