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 MANUALSFORD2012F 350 4WD SUPER DUTY V8-6.2LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINEINTAKE MANIFOLD
2012 Ford F 350 4WD Super Duty V8-6.2L
Intake Manifold
2012 Ford F 350 4WD Super Duty V8-6.2LSECTION Intake Manifold
Tighten the 12 intake manifold bolts and install the 4 fuel rail bolts in 4 stages in the sequence shown.
Stage 1: Tighten the 12 intake manifold bolts to 10 Nm (89 lb-in).
Stage 2: Tighten the 12 intake manifold bolts an additional 45 degrees.
Stage 3: Tighten the 4 fuel rail bolts to 10 Nm (89 lb-in).
Stage 4: Tighten the 4 fuel rail bolts an additional 90 degrees.
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.