Ford Navigator 2000 Workshop Manual
9.
Disconnect the vapor management valve hose.
SECTION 303-01A: Engine — 4.6L and 5.4L 2000 Expedition/Navigator Workshop Manual
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IN-VEHICLE REPAIR
Procedure revision date: 06/17/1999
Intake Manifold — 5.4L
Removal
WARNING: Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel-related components. Highly
flammable mixtures are always present and can be ignited. Failure to follow these instructions may result in personal injury.
1. Disconnect the battery ground cable (14301). For additional information, refer to Section 414-01.
2. Relieve the fuel system pressure. For additional information, refer to Section 310-00.
3. Drain the engine cooling system. For additional information, refer to Section 303-03.
4. Remove the engine air cleaner (ACL)(9600) and the air cleaner outlet tube (9B659). For additional information, refer to Section 303-12.
5. Compress and slide the hose clamp and disconnect the upper radiator hose.
6. Remove the accelerator cable snow shield.
1. Remove the bolts.
2. Remove the accelerator cable snow shield.
7. Disconnect the throttle body cam.
1. Disconnect the accelerator cable (9A758).
2. Disconnect the speed control actuator cable.
3. Remove the accelerator return spring.
8. Remove the accelerator cable bracket bolts and position the bracket and cables aside.
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10. Remove the crankcase ventilation tube and the idle air control (IAC) valve fresh air tube.
11. Disconnect the exhaust gas recirculation (EGR) valve vacuum line and the main vacuum harness.
12. Disconnect the throttle position sensor electrical connector and the engine vacuum regulator connector.
13. Disconnect the fuel pressure regulator vacuum line.
14. Disconnect the vapor management valve vacuum line.
15. Disconnect the differential pressure feedback EGR.
20.
Remove the four bolts and remove the throttle body adapter.
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16. Remove the nut and disconnect the brake booster vacuum line and bracket.
17. Disconnect the fuel lines. For additional information, refer to Section 310-01 .
18. Disconnect the idle air control motor electrical connector.
19. Position the EGR valve to exhaust manifold tube aside.
Disconnect the upper fitting.
Loosen the lower fitting.
Disconnect the two vacuum lines.
Position the tube aside.
26.
Disconnect the heater hose.
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21. Disconnect and remove the positive crankcase ventilation (PCV) hose.
22. Position the power steering reservoir aside.
Remove the upper bolt.
Remove the lower bolts.
Position the reservoir aside.
23. Disconnect the eight fuel injectors.
24. Disconnect and remove the eight ignition coils. For additional information refer to Section 303-07B.
25. Remove the generator. For additional information, refer to Section 414-02.
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