Regal V6-3100 3.1L VIN M SFI (1996)
Intake Manifold: Service and Repair
Lower Intake Manifold Replacement
CAUTION: This engine uses a sequential multiport fuel injection system. Injector connectors must be connected to their appropriate fuel injector or
exhaust emissions and engine performance may be seriously affected.
REMOVAL
1. Disconnect the negative battery cable.
2. Drain the coolant. See Cooling System.
3. Remove the coolant recovery reservoir. See Cooling System.
4. Remove the accessory drive belt.
5. Remove the upper intake manifold.
6. Remove the fuel feed and return pipe from the manifold. See Powertrain Management.
7. Remove the fuel injector rail. See Powertrain Management.
8. Remove the power steering pump pulley. See Steering and Suspension.
9. Remove the power steering pump bolts. Move the power steering pump aside. See Steering and Suspension.
10. Disconnect the heater inlet pipe from the manifold.
11. Disconnect the upper radiator hose at the engine. See Cooling System.
12. Disconnect the straps from the heater outlet pipe and ignition wiring harness.
13. Disconnect the heater pipe from the heater core to water pump. See Heating and Air Conditioning.
14. Remove the valve valve cover.
15. Remove the bolts.
16. Remove the lower intake manifold.
