2004 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE

Service Data

WARNING: This page is about a different car, the 2006 Scion tC. However, it is still accessible from the selected car via links, so may be relevant.
2AZ-FE COOLING SERVICE DATA SPECIFICATION

Thermostat Valve opening temperature 80 to 84°C (176 to 183°F)
Valve lift at 95°C (203°F) 10 mm (0.39 in.) or more
Radiator cap Standard opening pressure 74 to 103 kPa (0.75 to 1.05 kgf.cm2 , 10.7 to 14.9 psi)
Minimum opening pressure 59 kPa (0.6 kgf.cm2 , 8.6 psi)
Fan Standard amperage at 20°C (68°F) 5.2 to 8.2 A
No. 2 fan Standard amperage at 20°C (68°F) 5.2 to 8.2 A
No. 1 Cooling fan relay Resistance 3 - 5 10 kΩ or higher
3 - 5 Below 1 Ω (when battery voltage is applied to terminals 1 and 2)
No. 2 cooling fan relay Resistance 3 - 4 Below 1 Ω
3 - 5 10 kΩ or higher
3 - 4 10 kΩ or higher (when battery voltage is applied to terminals 1 and 2)
3 - 5 Below 1 Ω (when battery voltage is applied to terminals 1 and 2)
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.