2004 Infiniti M45FACTORY OEM SERVICE PROCEDURE

Testing Condition

  • Vehicle driven distance: More than 5,000 km (3,017 miles)
  • Barometric pressure: 98.3 - 104.3 kPa (1.003 - 1.064 kg/cm2 , 14.25 - 15.12 psi)
  • Atmospheric temperature: 20 - 30Β°C (68 - 86Β°F)
  • Engine coolant temperature: 75 - 95Β°C (167 - 203Β°F)
  • Transmission: Warmed-up*1
  • Electrical load: Not applied*2
  • Engine speed: Idle

*1: After the engine is warmed up to normal operating temperature, drive vehicle until "ATF TEMP 1" (A/T fluid temperature sensor signal) indicates more than 60Β°C (140Β°F).

*2: Rear window defogger switch, air conditioner switch, lighting switch are OFF. Steering wheel is straight ahead.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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