Lower Intake Manifold: Removal

CAUTION: During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces, that enters the oil passages, coolant passages or the oil pan can cause engine failure.

Partially drain the cooling system. For additional information, refer to ENGINE COOLING .
Remove the upper intake manifold. For additional information, refer to UPPER INTAKE MANIFOLD .
Remove the fuel injection supply manifold. For additional information, refer to ENGINE COOLING .
Disconnect the exhaust gas recirculation (EGR) vacuum hose.

Fig 1: Identifying Exhaust Gas Recirculation (EGR) Vacuum Hose
Courtesy of FORD MOTOR CO.
Loosen the nut and disconnect the EGR-to-exhaust manifold tube.

Fig 2: Identifying EGR-To-Exhaust Manifold Tube Nut
Courtesy of FORD MOTOR CO.
Disconnect the heater hose.

Fig 3: Identifying heater hose
Courtesy of FORD MOTOR CO.
Disconnect the upper radiator hose.

Fig 4: Identifying Upper Radiator Hose
Courtesy of FORD MOTOR CO.
Disconnect the intake manifold runner control (IMRC) electrical connector.

Fig 5: Locating Intake Manifold Runner Control (IMRC) Electrical Connector
Courtesy of FORD MOTOR CO.
Position the water bypass tube aside.
1. Remove the bolts.
2. Position the tube aside.
  
  Fig 6: Identifying Water Bypass Tube Bolt
  Courtesy of FORD MOTOR CO.

NOTE: Note the location of the six long bolts for installation.

Remove the lower intake manifold.
1. Remove the bolts.
2. Remove the intake manifold.
  
  Fig 7: Identifying Lower Intake Manifold Bolt
  Courtesy of FORD MOTOR CO.
Remove the intake manifold runner control (IMRC) if necessary. .
Remove and discard the lower intake manifold sealing components.

Fig 8: Removing Lower Intake Manifold Sealing & Gasket
Courtesy of FORD MOTOR CO.
Clean gasket sealing surfaces with metal surface cleaner.