4-Cylinder Compression Specifications

2003 Nissan-Datsun Sentra SE-R Spec VSECTION 4-Cylinder Compression Specifications
4-CYLINDER COMPRESSION SPECIFICATIONS

Application Specification
Normal Compression Pressure
Altima 182 psi (12.8 kg/cm2 )
Frontier & Xterra 178 psi (12.5 kg/cm2 )
Sentra
1.8L 192 psi (13.5 kg/cm2 )
2.5L 181 psi (12.8 kg/cm2 )
Minimum Compression Pressure
Altima 154 psi (10.8 kg/cm2 )
Frontier & Xterra 149 psi (10.5 kg/cm2 )
Sentra
1.8L 168 psi (11.50 kg/cm2 )
2.5L 154 psi (10.8 kg/cm2 )
Maximum Variation Between Cylinders 14 psi (1.0 kg/cm2 )
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.