Procedure
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intake manifold
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2000 Mercury Grand Marquis V8-4.6L VIN W
Procedures
Vehicle Engine, Cooling and Exhaust Engine Intake Manifold Service and Repair Procedures
PROCEDURES
Removal
1. Disconnect the battery ground cable.
2. Drain the engine cooling system.
3. Remove the air cleaner outlet tube.
4. Disconnect the fuel line.
5. Remove the wiper arm and pivot shaft.
6. Remove the drive belt.
7. Raise the vehicle on a hoist.
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8. Disconnect the electrical connector at the Crankshaft Position (CKP) sensor.
- Disconnect the pin-type retainer from the A/C compressor bracket.
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9. Disconnect the electrical connector from the A/C compressor.
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10. Remove the oil bypass filter.
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11. Disconnect the oil pressure sensor electrical connector and the Power Steering Pressure (PSP) switch electrical connector.
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12. Disconnect the Exhaust Gas Recirculation (EGR) tube from the exhaust manifold.
13. Lower the vehicle.
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14. Disconnect the two differential pressure feedback EGR hoses.
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15. Disconnect the RH heated oxygen sensor electrical connector.
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16. Disconnect the fuel charging wiring electrical connectors from the eight ignition coils.
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17. Disconnect the fuel charging wiring electrical connectors from the eight fuel injectors.
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18. Disconnect the accelerator cable and the speed control actuator cable.
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19. Remove the cables from the EGR tube heat shield and position out of the way.
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20. Remove the bolts and the EGR tube heat shield.
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21. Disconnect the Evaporative Emissions (EVAP) return tube, the main chassis vacuum supply line, and the EGR valve vacuum supply.
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22. Disconnect the Positive Crankcase Ventilation (PCV) tube assembly at two locations and remove.
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23. Disconnect the electrical connector from the EGR vacuum regulator solenoid.
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24. Disconnect the vacuum line from the EVAP canister purge valve.
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25. Disconnect the generator cable and electrical connector.
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26. Remove the bolts and the generator mounting bracket.
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27. Remove the upper radiator hose.
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28. Disconnect the electrical connector from the Idle Air Control (IAC) valve and the Throttle Position (TP) sensor.
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29. Disconnect the heater water hose.
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30. Disconnect the EGR tube from the EGR valve.
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31. Note: The LH heated oxygen sensor and the transmission electrical connectors are attached to the wiring bracket and must be separated from the bracket.
Remove the wiring bracket.
- Disconnect the wiring connectors.
- Separate the transmission harness from the stud.
- Remove the nut and the bolt and remove the bracket.
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32. Remove the bolts and the throttle body.
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33. Separate the fuel charging wiring pin-type retainer from the crash bracket.
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34. Remove the bolt and the stud and remove the crash bracket.
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35. Disconnect the vacuum lines and remove the vacuum harness.
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36. Remove the studs and the fuel injection supply manifold and fuel injectors as an assembly.
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37. Remove the bolts and the ignition coils.
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38. Remove the bolts and the water outlet adapter.
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39. Remove the water thermostat.
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40. Remove the bolts and the intake manifold.
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Monday, March 11th, 2019 AT 5:22 PM