Mustang GT V8-4.6L SOHC VIN X (1998)
Intake Manifold: Service and Repair
REMOVAL
1. Disconnect battery ground cable.
2. Drain engine cooling system.
3. Relieve fuel system pressure and disconnect fuel lines.
4. Remove air cleaner outlet tube.
5. Release drive belt tensioner and remove drive belt.
6. Disconnect all ignition wires from spark plugs.
CAUTION: Do not pull on ignition wire as wire may separate from the connector in the ignition wire boot.
7. Disconnect ignition wires and ignition wire separators from valve cover stud bolts.
8. Disconnect engine control sensor extension wire from both ignition coils and Camshaft Position Sensor (CMP sensor).
9. Remove four bolts retaining ignition coil to ignition coil brackets.
10. Disconnect generator wiring harness from junction block at front fender apron and from Generator (GEN).
11. Remove four bolts retaining generator mounting bracket to intake manifold
12. Remove bolts retaining generator to cylinder block and remove generator.
13. Raise vehicle on a hoist.
14. Disconnect engine control sensor extension wire from the oil pressure sensor and electronic variable orifice sensor and position fuel charging
wiring out of the way.
15. Disconnect EGR valve to exhaust manifold tube from RH exhaust manifold.
16. Lower vehicle.
17. Disconnect accelerator cable and speed control actuator cable from throttle body.
18. Remove accelerator cable bracket from intake manifold and position out of the way.
19. Disconnect vacuum hose from throttle body adapter vacuum port.
20. Disconnect heater water hose from heater water tube.
21. Remove two bolts retaining water hose connection to intake manifold and position upper radiator hose and water hose connection out of the way.
NOTE: Two water outlet connection retaining bolts also retain intake manifold.
22. Remove the remaining nine bolts retaining intake manifold to cylinder heads and remove intake manifold.
23. Remove intake manifold gaskets.
INSTALLATION
1. Clean sealing surfaces of intake manifold and cylinder heads.
NOTE: If a new intake manifold is being installed, transfer all necessary components onto new intake manifold.
2. Position new intake manifold gaskets on cylinder heads.
3. Position intake manifold on cylinder heads.
4. Install and tighten intake manifold retaining bolts one through nine in sequence shown to 20-30 Nm (15-22 ft. lbs.).
NOTE: Make sure alignment tabs on intake manifold gasket are aligned with holes in cylinder heads.
