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Home >> Ford >> 2023 >> Explorer ST-Line, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine - 3.3L DURATEC-V6) >> Removal And Installation >> Lower Intake Manifold >> Removal

Lower Intake Manifold: Removal

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NOTE: 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.
  1. With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting - Overview .
  2. Remove the port injection fuel rail. Refer to: Port Injection Fuel Rail .
  3. Drain the cooling system. Refer to: Engine Cooling System Draining, Vacuum Filling and Bleeding .
  4. Remove the bolts and position the thermostat housing aside.
    GFD657402Courtesy of FORD MOTOR COMPANY
  5. Inspect the O-ring seal and replace if necessary.
    GFD657403Courtesy of FORD MOTOR COMPANY
  6. Discard the coolant tube O-rings seal.
    GFD657404Courtesy of FORD MOTOR COMPANY
  7. Disconnect the coolant tube from the lower intake manifold.
    GFD657405Courtesy of FORD MOTOR COMPANY
  8. Remove the bolts and the lower intake manifold.
    GFD657406Courtesy of FORD MOTOR COMPANY
    • Visually inspect the lower intake manifold gaskets for nicks, cuts and abrasions. If these conditions are not present, the gaskets may be re-used.

    • Clean and inspect all sealing surfaces.

GFD657407Courtesy of FORD MOTOR COMPANY