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 MANUALSHONDA2004S2000 L4-2.2LREPAIR AND DIAGNOSISMAINTENANCEFLUIDSFLUID - DIFFERENTIALSERVICE AND REPAIR
2004 Honda S2000 L4-2.2L
Fluid - Differential: Service and Repair
2004 Honda S2000 L4-2.2LSECTION Service and Repair
Inspection and Replacement
1. With the vehicle on level ground, inspect the differential oil with engine OFF.
2. Remove the oil filler plug (A) and sealing washer (B), then check the condition of the oil, and make sure the oil is at the proper level (C).
3. The oil level must be up to the fill hole. If it is below the hole, add the recommended oil until it runs out, then reinstall the oil filler plug with a new sealing washer.
4. If the differential oil is dirty, remove the drain plug (D), and drain the oil.
5. Clean the drain plug, then reinstall with a new washer, and refill the differential with the recommended oil to the proper level.
Oil capacity
0.74 liters (0.78 US quarts 0.65 Imp quarts) at oil change
0.77 liters (0.81 US quarts 0.68 Imp quarts) at overhaul
Recommended oil
Hypoid gear oil
API Classification GL5 or GL6,
Viscosity: SAE # 90
6. Reinstall the oil filler plug with a new washer.
1. With the vehicle on level ground, inspect the differential oil with engine OFF.
2. Remove the oil filler plug (A) and sealing washer (B), then check the condition of the oil, and make sure the oil is at the proper level (C).
3. The oil level must be up to the fill hole. If it is below the hole, add the recommended oil until it runs out, then reinstall the oil filler plug with a new sealing washer.
4. If the differential oil is dirty, remove the drain plug (D), and drain the oil.
5. Clean the drain plug, then reinstall with a new washer, and refill the differential with the recommended oil to the proper level.
Oil capacity
0.74 liters (0.78 US quarts 0.65 Imp quarts) at oil change
0.77 liters (0.81 US quarts 0.68 Imp quarts) at overhaul
Recommended oil
Hypoid gear oil
API Classification GL5 or GL6,
Viscosity: SAE # 90
6. Reinstall the oil filler plug with a new washer.
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.