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.
2004 Mazda B4000 Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Engine Specifications -4.0L
Engine Specifications -4.0L
| Item | Specification |
|---|---|
| Displacement | 4.0L (4000cc) |
| Number of Cylinders | 6 |
| Bore and Stoke | 100 x 84 mm (3.94 x 3.31 in) |
| Firing Order | 1-4-2-5-3-6 |
| Oil Pressure (Hot @ 2000 rpm) | 40-60 |
| Combustion Chamber Volume (cc) | 46.34-48.34 |
| Engine Oil | API Service |
| Maximum Crankshaft End-play | 0.05-0.32 mm (0.002-0.0126 inches) |
Factory Service Tools
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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.
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