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Lubrication - Engine Mechanical: Diagnosis Mazda 3 BK

Lubrication System 2 illustrations ~231 words

OIL PRESSURE INSPECTION

WARNINGContinuous exposure to USED engine oil has caused skin cancer in laboratory mice. Protect your skin by washing with soap and water immediately after working with engine oil. Hot engines and engine oil can cause severe burns. Turn off the engine and wait until it and the engine oil have cooled.

Scheme 2

Scheme 2
Scheme 2
  1. Remove the battery cover.
  2. Disconnect the negative battery cable.
  3. Remove the under cover.
  4. Remove the oil pressure switch.
  5. Screw the SST into the oil pressure switch installation hole.
  6. Warm up the engine to normal operating temperature.
  7. Run the engine at the specified speed, and note the gauge readings. If the pressure is not as specified, inspect for the cause and repair or replace if necessary. Oil Pressure [Oil Temp: 100 °C {212 °F}] (Approx. Quantity) [3,000 RPM] LF: 234-521 kPa {2.39-5.31 kgf/cm 2 , 33.9-75.5 psi} min L3: 395-649 kPa {4.03-6.61 kgf/cm 2 , 57.3-94.1 psi} min
  8. Stop the engine and wait until it is cool.
  9. Remove the SST .
  10. Apply silicone sealant to the oil pressure switch threads as shown.
  11. Install the oil pressure switch. Tightening Torque 12-18 N.m {1.2-1.8 kgf.m, 9-13 ft.lbf}
  12. Install the under cover.
  13. Connect the negative battery cable.
  14. Install the battery cover.
  15. Start the engine and inspect for oil leakage. If the oil leaks, specify the malfunctioning part and repair or replace it.

Scheme 3

Scheme 3: ENGINE OIL LEVEL INSPECTION
Scheme 3: ENGINE OIL LEVEL INSPECTION
  1. Position the vehicle on level ground.
  2. Warm up the engine.
  3. Stop the engine and allow approx. 5 min before continuing.
  4. Remove the dipstick and verify that the oil level is between the MAX and MIN marks on the dipstick. If the oil level is below the MIN mark, add engine oil.

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