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 MANUALSFORD2012FLEX AWD V6-3.5L TURBOREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSEXHAUST SYSTEMEXHAUST MANIFOLD
2012 Ford Flex AWD V6-3.5L Turbo
Exhaust Manifold
2012 Ford Flex AWD V6-3.5L TurboSECTION Exhaust Manifold
Install 8 new RH exhaust manifold studs.
Tighten to 12 Nm (106 lb-in).
Install a new gasket, RH exhaust manifold and 8 new nuts. Tighten in 2 stages in the sequence shown:
Stage 1: Tighten to 15 Nm (133 lb-in).
Stage 2: Tighten to 20 Nm (177 lb-in).
Install the 2 upper RH exhaust manifold heat shield and the 5 bolts.
Tighten to 14 Nm (124 lb-in).
Install 8 new LH exhaust manifold studs.
Tighten to 12 Nm (106 lb-in).
Install a new gasket, LH exhaust manifold and 8 new nuts. Tighten in 2 stages in the sequence shown:
Stage 1: Tighten to 15 Nm (133 lb-in).
Stage 2: Tighten to 20 Nm (177 lb-in).
Install a new gasket and the 3 turbocharger-to-exhaust manifold bolts.
Tighten to 45 Nm (33 lb-ft).
Install the 2 top LH exhaust manifold heat shield bolts.
Tighten to 14 Nm (124 lb-in).
Tighten the LH exhaust manifold heat shield bottom bolt.
Tighten to 14 Nm (124 lb-in).
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.