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 MANUALSHYUNDAI2009SONATA SE, 3.3 FREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALINTAKE SYSTEM AND EXHAUST SYSTEM - 3.3LEXHAUST MANIFOLD AND CATALYTIC CONVERTERINSTALLATION
2009 Hyundai Sonata SE, 3.3 F
Exhaust Manifold And Catalytic Converter: Installation
2009 Hyundai Sonata SE, 3.3 FSECTION Installation
- Install new gasket and exhaust manifold.
Tightening torque
39.2 ~ 44.1N.m (4.0 ~ 4.5kgf.m, 28.92 ~ 32.53lb-ft)
- Install heat protector.
Tightening torque
16.66 ~ 21.56N.m (1.7 ~ 2.2kgf.m, 12.30 ~ 15.91lb-ft)
- Install front muffler.
Tightening torque
39.2 ~ 58.8N.m (4.0 ~ 6.0kgf.m, 28.92 ~ 43.37lb-ft)
- Connect oxygen sensor connector.
- Install undercover.
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.