Nissan 100NX N14 silhouetteN14

Service Data and Specifications (S.D.S.) - Engine Lubrication System / Engine Cooling System (SR)

LC-67spec table

Section banner shows SR (S.D.S. for SR engine). Oil pressure differs between SR20DE and SR20DET.

Engine Lubrication System

Oil pressure check

Oil pressure check

Idle speed
Approximate discharge pressure kPa (bar, kg/cm², psi)SR20DE: More than 98 (0.98, 1.0, 14); SR20DET: More than 98 (0.98, 1.0, 14)
3,200
Approximate discharge pressure kPa (bar, kg/cm², psi)SR20DE: 324 - 422 (3.24 - 4.22, 3.3 - 4.3, 47 - 61); SR20DET: 343 - 441 (3.43 - 4.41, 3.5 - 4.5, 50 - 64)

Oil pump inspection

Oil pump inspection (Unit: mm (in))

Body to outer gear clearance
Value0.114 - 0.200 (0.0045 - 0.0079)
Inner gear to outer gear tip clearance
ValueBelow 0.18 (0.0071)
Body to inner gear clearance
Value0.05 - 0.09 (0.0020 - 0.0035)
Body to outer gear clearance
Value0.05 - 0.11 (0.0020 - 0.0043)
Inner gear to brazed portion of housing clearance
Value0.045 - 0.091 (0.0018 - 0.0036)

Regulator valve inspection

Regulator valve inspection (Unit: mm (in))

Regulator valve to oil pump cover clearance
Value0.040 - 0.097 (0.0016 - 0.0038)

Engine Cooling System

Thermostat

Thermostat

Valve opening temperature °C (°F)
Value76.5 (170)
Max. valve lift mm/°C (in/°F)
Value8/90 (0.31/194)

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