Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2003 Ford Windstar BaseFACTORY OEM SERVICE PROCEDURE
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 MANIFOLDΒ .
- Remove the fuel injection supply manifold. For additional information, refer to ENGINE COOLING .
- Disconnect the exhaust gas recirculation (EGR) vacuum hose.
- Loosen the nut and disconnect the EGR-to-exhaust manifold tube.
- Disconnect the heater hose.
- Disconnect the upper radiator hose.
- Disconnect the intake manifold runner control (IMRC) electrical connector.
- Position the water bypass tube aside.
- Remove the bolts.
- Position the tube aside.
- Remove the lower intake manifold.
- Remove the bolts.
- Remove the intake manifold.
- Remove the intake manifold runner control (IMRC) if necessary. .
- Remove and discard the lower intake manifold sealing components.
- Clean gasket sealing surfaces with metal surface cleaner.
NOTE:
Note the location of the six long bolts for installation.
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
