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 MANUALSMITSUBISHI2004LANCER L4-2.0L SOHCREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSEXHAUST MANIFOLD
2004 Mitsubishi Lancer L4-2.0L SOHC
Exhaust Manifold
2004 Mitsubishi Lancer L4-2.0L SOHCSECTION Exhaust Manifold
FASTENER TIGHTENING SPECIFICATIONS
EXHAUST MANIFOLD
ITEM SPECIFICATION
Exhaust manifold bracket bolt
M8 19 ± 3 Nm (14 ± 2 ft-lb)
M10 35 ± 6 Nm (26 ± 4 ft-lb)
Exhaust manifold nut
M8 17 ± 2 Nm (12 ± 2 ft-lb)
M10 30 ± 3 Nm (22 ± 2 ft-lb)
Front exhaust pipe nut 50 ± 10 Nm (37 ± 7 ft-lb)
Heat protector bolt 13 ± 1 Nm (115 ± 9 in-lb)
Heated oxygen sensor 44 ± 5 Nm (33 ± 3 ft-lb)
Power steering pump bracket stay bolt 49 ± 9 Nm (36 ± 7 ft-lb)
Power steering oil pump attaching bolt
M8 22 ± 4 Nm (16 ± 3 ft-lb)
M10 44 ± 10 Nm (33 ± 7 ft-lb)
Pressure hose clamp bolt 12 ± 25 Nm (102 ± 22 in-lb)
EXHAUST MANIFOLD
ITEM SPECIFICATION
Exhaust manifold bracket bolt
M8 19 ± 3 Nm (14 ± 2 ft-lb)
M10 35 ± 6 Nm (26 ± 4 ft-lb)
Exhaust manifold nut
M8 17 ± 2 Nm (12 ± 2 ft-lb)
M10 30 ± 3 Nm (22 ± 2 ft-lb)
Front exhaust pipe nut 50 ± 10 Nm (37 ± 7 ft-lb)
Heat protector bolt 13 ± 1 Nm (115 ± 9 in-lb)
Heated oxygen sensor 44 ± 5 Nm (33 ± 3 ft-lb)
Power steering pump bracket stay bolt 49 ± 9 Nm (36 ± 7 ft-lb)
Power steering oil pump attaching bolt
M8 22 ± 4 Nm (16 ± 3 ft-lb)
M10 44 ± 10 Nm (33 ± 7 ft-lb)
Pressure hose clamp bolt 12 ± 25 Nm (102 ± 22 in-lb)
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.