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.
2003 Infiniti M45FACTORY OEM SERVICE PROCEDURE
Quick Lookups: Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Compressor Oil | 5.00 OZS. | 0.14 L | PAG 46 | S | |||
| Air Cond Refrigerant | 1.33 LBS. | 0.6 KG | R-134a | S | |||
| Automatic Transmission Fluid | N/A | N/A | NISSAN Automatic Transmission Fluid Matic J | S | |||
| Brake Fluid | N/A | N/A | DOT 3 Brake Fluid | S | |||
| Differential Gear Oil | 3.00 PTS. | 1.41 L | API - GL-5, SAE 80W-90 | For hot climates, SAE 90 is suitable for ambient temperatures always above 32Deg.F (0Deg.C). | S | ||
| Engine Coolant | w/Reservoir tank | 10.35 QTS. | 9.79 L | 50/50 mixture of NISSAN Long Life Antifreeze/Coolant or equivalent and demineralized or distilled water | S | ||
| Engine Oil | Drain and Refill,w/Filter | 5.88 QTS. | 5.56 L | API - SG/SH Energy Conserving I and II or API - SJ, Energy Conserving, SAE 5W-30 | API - SAE 5W-30 is preferred for all ambient temperatures. SAE 10W-30, 10W-40 may be used if the ambient temperature is above 0Deg.F (-18Deg.C). | S | |
| Engine Oil | Drain and Refill,w/o Filter | 5.25 QTS. | 4.96 L | API - SG/SH Energy Conserving I and II or API - SJ, Energy Conserving, SAE 5W-30 | API - SAE 5W-30 is preferred for all ambient temperatures. SAE 10W-30, 10W-40 may be used if the ambient temperature is above 0Deg.F (-18Deg.C). | S | |
| Fuel Tank | 21.10 GALS. | 79.87 L | S | ||||
| Power Steering Fluid | N/A | N/A | NISSAN Power Steering Fluid or equivalent | S | |||
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.
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