Mazda MX-3 silhouetteMX-3

OIL PRESSURE

D2-4prose procedure

PREPARATION

SST

SST

49 0187 280
NameGauge, oil pressure
UsageFor inspection of oil pressure

INSPECTION

Oil pressure inspection

  1. 1
    Remove the oil pressure switch.
    Engine-bay photo with an arrow pointing to the oil pressure switch location. Illustrates removing the oil pressure switch.
  2. 2
    Screw the SST into the oil pressure switch installation hole.
    Engine-bay photo showing the SST oil pressure gauge (49 0187 280) screwed into the oil pressure switch hole with the gauge and hose routed. Illustrates installing the SST.
  3. 3
    Warm up the engine to normal operating temperature.
  4. 4
    Run the engine at 1,000 rpm and 3,000 rpm, and note the gauge reading.
    Oil pressure varies with oil viscosity and temperature.
  5. 5
    If the pressure is not as specified, check for the cause and repair. (Refer to Troubleshooting Guide, page D2-3.)
  6. 6
    Apply sealant to the oil pressure switch threads.
    Engine-bay photo with an arrow pointing to the oil pressure switch threads where sealant is applied. Illustrates installing the oil pressure switch.
  7. 7
    Remove the SST and install the oil pressure switch.
  8. 8
    Start the engine and check for oil leaks.
Oil pressure at 1,000 rpm1,000 rpm
196kPa {2.0 kgf/cm2, 28 psi}
Oil pressure at 3,000 rpm3,000 rpm
334–490kPa {3.4–5.0 kgf/cm2, 49–71 psi}
Oil pressure switch
116 - 173N·m

See also

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