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 MANUALSCHEVROLET2005OPTRA (CANADA) L4-2.0LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSEXHAUST SYSTEMEXHAUST MANIFOLD
2005 Chevrolet Optra (CANADA) L4-2.0L
Exhaust Manifold
2005 Chevrolet Optra (CANADA) L4-2.0LSECTION Exhaust Manifold
Exhaust Manifold
1. Install the exhaust manifold retaining nuts and tighten in the sequence shown.
2. Tighten the exhaust manifold retaining nuts 22 Nm (16 lb ft).
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.