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.
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HOMESERVICE MANUALSMERCURY2010MARINER HYBRID, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1390 (ENGINE MECHANICAL - 3.5L)IN-VEHICLE REPAIRLOWER INTAKE MANIFOLDREMOVAL
2010 Mercury Mariner Hybrid, AWD
Lower Intake Manifold: Removal
2010 Mercury Mariner Hybrid, AWDSECTION Removal
WARNING: This page is about a different car, the 2011 Lincoln MKZ and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
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.
- With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to JACKING & LIFTING article.
- Remove the fuel rail. For additional information, refer to FUEL CHARGING & CONTROLS - 3.5L -- FUSION & MKZ article.
- Drain the cooling system. For additional information, refer to ENGINE COOLING SYSTEM (EXCEPT HYBRID) article.
- Remove the 2 thermostat housing-to-lower intake manifold bolts.
- Remove the 10 bolts and the lower intake manifold.
- Remove and discard the intake manifold and thermostat housing gaskets.
- Clean and inspect all sealing surfaces.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.