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.
2018 Mitsubishi Eclipse Cross LEFACTORY OEM SERVICE PROCEDURE
General Specifications
| Item | Specification | |
|---|---|---|
| Engine model | 4B40 | |
| Total displacement cm3 (cu in) | 1, 499 (91.5) | |
| Bore x stroke mm (in) | 75.0 x 84.8 (2.95 x 3.34) | |
| Compression ratio | 10.0 | |
| Combustion chamber | Pentroof type | |
| Camshaft arrangement | DOHC | |
| Number of valve | Inlet | 2 |
| Exhaust | 2 | |
| Valve timing | Inlet opening | BTDC 51° - ATDC 9° |
| Inlet closing | ABDC 1° - ABDC 61° | |
| Exhaust opening | BBDC 31° - BBDC 11° | |
| Exhaust closing | ATDC 5° - ABDC 25° | |
Factory Service Tools
Use the Manual With the Right Hardware
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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.