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 MANUALSFORD2010FUSION SEL, 2.5 AREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALEXHAUST SYSTEMREMOVAL AND INSTALLATIONCATALYTIC CONVERTER - 3.0L LH MANIFOLDINSTALLATION
2010 Ford Fusion SEL, 2.5 A
Catalytic Converter - 3.0L LH Manifold: Installation
2010 Ford Fusion SEL, 2.5 ASECTION Installation
- Install the 6 new LH catalytic converter manifold studs.
- Tighten to 11 Nm (97 lb-in).
- Position a new LH catalytic converter manifold gasket on the studs.
- Position the LH catalytic converter manifold and finger-tighten the 6 new nuts.
- Install a new gasket and finger-tighten 2 new nuts at the LH catalytic converter-to-exhaust flexible pipe.
- Position the LH catalytic converter manifold and tighten the 6 new nuts in the sequence shown in illustration, in 2 stages.
- Stage 1: Tighten to 20 Nm (177 lb-in).
- Stage 2: Tighten to 20 Nm (177 lb-in).
NOTE: Failure to tighten the catalytic converter manifold nuts to specification before installing the converter bracket bolts will cause the converter to develop an exhaust leak.
RENDER: 1.0x
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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.