Thunderbird V8-4.6L VIN W (1997)
Intake Manifold: Service and Repair
Removal
1. Disconnect battery ground cable (14301).
2. Drain engine cooling system.
3. Relieve fuel system pressure and disconnect fuel lines. Refer to Powertrain Management.
4. Remove air cleaner outlet tube (9B659).
5. Release drive belt tensioner (6B209) and remove accessory drive belt (8620).
6. Disconnect all ignition wires from spark plugs (12405).
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 (12297) from valve cover stud bolts.
8. Disconnect engine control sensor extension wire (12A522) from both ignition coils (12029) and camshaft position sensor (CMP sensor)(6B288).
9. Remove four bolts retaining ignition coil to ignition coil brackets.
10. Disconnect generator wiring harness from junction block at front fender apron (16054) and from generator (GEN)(10300).
11. Remove four bolts retaining generator mounting bracket (10153) to intake manifold (9424).
12. Remove bolts retaining generator to cylinder block (6010) and remove generator.
13. Raise and support vehicle.
14. Disconnect engine control sensor extension wire from the oil pressure sensor (9278) and electronic variable orifice sensor and position fuel
charging wiring (9D930) out of the way.
15. Disconnect EGR valve to exhaust manifold tube (9D477) from RH exhaust manifold (9430).
16. Lower vehicle.
17. Disconnect accelerator cable (9A758) and speed control actuator cable (9A825) from throttle body (9E926).
18. Remove accelerator cable bracket (9723) from intake manifold and position out of the way.
19. Disconnect vacuum hose from throttle body adapter vacuum port.
20. Disconnect heater water hose (18472).
