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 MANUALSMITSUBISHI2009LANCER L4-2.4L (4B12)REPAIR AND DIAGNOSISDIAGRAMSEXPLODED VIEWSBODY AND FRAMESYSTEM DIAGRAM
2009 Mitsubishi Lancer L4-2.4L (4B12)
System Diagram
2009 Mitsubishi Lancer L4-2.4L (4B12)SECTION System Diagram
Front Body
Headlight support
- The crush box structure, which has an octagonal cross-section at the front end of the front sidemember, has been adopted. This structure can effectively absorb energy upon frontal impact and reduces the vehicle repair cost caused by a light collision.
- The bolt-on hood lock stay, and bolt-on front end upper bar are used to improve maintainability.
1. Front bumper back beam
2. Bumper support bracket side
3. Front end upper bar
4. Radiator bracket upper
5. Bumper support bracket center
6. Front sensor reinforcement
7. Hood lock stay
8. Front end crossmember upper
9. Front end crossmember gusset
10. Radiator bracket lower A
11. Radiator bracket lower B
12. Front end crossmember lower
13. Shipping reinforcement front
14. Shipping hook front
15. Front No. 2 crossmember pipe
16. Front end crossmember bulkhead
The crush box structure has been changed to straight type with an octagon cross-section so that the structure can effectively absorb energy from the impact at the time of collision
Headlight support
- The crush box structure, which has an octagonal cross-section at the front end of the front sidemember, has been adopted. This structure can effectively absorb energy upon frontal impact and reduces the vehicle repair cost caused by a light collision.
- The bolt-on hood lock stay, and bolt-on front end upper bar are used to improve maintainability.
1. Front bumper back beam
2. Bumper support bracket side
3. Front end upper bar
4. Radiator bracket upper
5. Bumper support bracket center
6. Front sensor reinforcement
7. Hood lock stay
8. Front end crossmember upper
9. Front end crossmember gusset
10. Radiator bracket lower A
11. Radiator bracket lower B
12. Front end crossmember lower
13. Shipping reinforcement front
14. Shipping hook front
15. Front No. 2 crossmember pipe
16. Front end crossmember bulkhead
The crush box structure has been changed to straight type with an octagon cross-section so that the structure can effectively absorb energy from the impact at the time of collision
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.