Fuel Injection System Wiring Harness Connectors
The wiring harness connector is indicated by the arrow.
Places of application of sealant on mating surfaces
The places where the sealant should be applied are indicated by arrows.
Removal the fuel line and injection valves from the manifold
The injection valve is indicated by the arrow.
OHC engines
1. Remove the ground wire from the battery.
2. Drain the coolant.
3. Disconnect the vacuum tubes from the manifold. The number of tubes depends on the model and equipment.
4. Remove the fuel injector harness connectors at the end of the line closest to the bulkhead.
5. Disconnect the oil pressure indicator light sensor wire under the manifold.
6. Loosen the clamps and remove the manifold line, air flow meter and pipe from the manifold.
7. Remove the distributor cap and disconnect the high-voltage wires.
8. Unscrew the two nuts and remove the support that runs from the manifold to the right side of the cylinder head.
9. Remove the four bolts and support that connects the manifold base to the left side of the block.
10. Unscrew the accelerator cable clamp and move it to the side.
11. Disconnect the fuel supply line from the fuel bracket and the return line from the fuel pressure regulator.
12. Disconnect the cooling system hose from the manifold.
13. Unscrew the six nuts and bolts securing the manifold (indicated by arrows) and remove it. A ground wire can be connected to one of the studs with an additional nut.
14. Carefully remove the manifold from the cylinder head together with the connecting parts. If the distributor interferes with removal, unscrew the front stud of the manifold or remove the distributor.
15. Remove the gasket from the cylinder head.
16. Installation is performed in the reverse order of removal. Apply a layer of sealant to the mating surfaces.
DOHC engines
1. Remove the ground wire from the battery.
2. Drain the coolant.
3. Disconnect the cooling hoses from the thermostat housing and intake manifold.
4. Disconnect the air intake pipe from the front of the intake manifold.
5. Disconnect the crankcase ventilation hoses and vacuum hoses from the intake manifold.
6. Disconnect the accelerator cable.
7. Remove the high-voltage wires from the spark plugs and move them to the side.
8. Disconnect the wires from the radiator fan switch, engine coolant temperature sensor and temperature sensor.
9. Remove the throttle position sensor connector.
10. Remove the fuel injectors.
11. Unscrew 10 bolts and 2 nuts securing the manifold to the cylinder head and carefully remove the intake manifold. Remove the gasket.
12. Remove 2 plastic spark plug gaskets from their sockets in the cylinder head.
13. Installation is performed in the reverse order of removal. Fill the cooling system with fluid and check the idle speed and CO content.
V6 engines
Coolant system outlet connection on the intake manifold of a V6 engine
Intake Manifold Bolt Tightening Sequence V6 Engines
1. Remove the ground wire from the battery.
2. Drain the coolant.
3. Remove the throttle lever cover.
4. Loosen the clamps and move the air flow meter-manifold line to the side.
5. Remove the crankcase ventilation hose.
6. Remove the upper radiator hose and heater hose from the outlet on the front of the manifold.
7. Disconnect the connectors from the idle speed valve, temperature sensor, coolant temperature sensor and throttle position sensor. Disconnect the fuel injector wiring harness.
8. Disconnect the accelerator cable from the lever. On models with automatic transmission, also disconnect the kick-down cable or connector.
9. Disconnect the fuel supply and return pipes.
10. Remove the high-voltage wires and the ignition distributor.
11. Unscrew the eight bolts and remove the excess pressure chamber.
12. Unscrew the seven bolts and remove the cylinder head covers.
13. Disconnect the water pump bypass hose from the intake manifold.
14. Unscrew the eight bolts and remove the intake manifold.
15. Remove the intake manifold together with the pressure regulator, fuel bracket and throttle body housing.
16. Installation is performed in the reverse order of removal. Apply a layer of sealant to the mating surfaces.
(Content was created using data from this website: FORDBOOK.RU)