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 MANUALSNISSAN-DATSUN2004SENTRA L4-2.5L (QR25DE)REPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTCOOLING SYSTEMRADIATORSPECIFICATIONSPRESSURE, VACUUM AND TEMPERATURE SPECIFICATIONS
2004 Nissan-Datsun Sentra L4-2.5L (QR25DE)
Pressure, Vacuum and Temperature Specifications
2004 Nissan-Datsun Sentra L4-2.5L (QR25DE)SECTION Pressure, Vacuum and Temperature Specifications
Radiator
Cap Relief Pressure
Standard 78 - 98 kPa (0.8 - 1.0 kg/cm2, 11 - 14 psi)
Limit 59 kPa (0.6 kg/cm2, 9 psi)
Leakage Test Pressure 157 kPa (1.6 kg/cm2, 23 psi)
Cap Relief Pressure
Standard 78 - 98 kPa (0.8 - 1.0 kg/cm2, 11 - 14 psi)
Limit 59 kPa (0.6 kg/cm2, 9 psi)
Leakage Test Pressure 157 kPa (1.6 kg/cm2, 23 psi)
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.