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Home >> Mitsubishi >> 2003 >> Lancer Evolution >> Repair and Diagnosis >> Engine Mechanical >> Lubrication System >> Engine Lubrication - Evolution >> On-Vehicle Service >> Oil Pressure Check

Oil Pressure Check

Required Special Tool: 

  1. Check engine oil quantity.
  2. Remove the oil pressure switch terminal.
    Fig 1: Removing Oil Pressure Switch Terminal
    G01852392Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    CAUTION: Since sealant is applied to the thread of the oil pressure switch and may e difficult to unscrew, take care not to damage the oil pressure switch when removing it.
  3. Use special tool MD998054 to remove the oil pressure switch.
  4. Install the oil pressure gauge.
    NOTE: Use a 1/8 pipe thread adapter.
  5. Run the engine to warm it.
  6. After the engine has warmed up, check that oil pressure is within the standard value.
    1. Standard value: 
    2. At idle: 29 kPa (4.2 psi) or more At 3,500 r/min: 294 - 686 kPa (43 - 100 psi) 
  7. Remove the oil pressure gauge.
  8. Apply the specified sealant 3M™ AAD Part number 8672 or equivalent to thread of the oil pressure switch.
    Fig 2: Using Special Tool Md998054 To Removing Oil Pressure Switch
    G01852393Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 3: Applying Specified Sealant To Thread Of Oil Pressure Switch
    G01852394Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    CAUTION: Do not start the engine within one hour after the engine oil pressure switch has been installed to allow sufficient drying time for the sealant.
  9. Use special tool MD998054 to tighten the oil pressure switch to the specified torque.
    1. Tightening torque: 18 +/- 3 N.m (160 +/- 30 in-lb) 
  10. Install the oil pressure switch terminal.
    Fig 4: Using Special Tool Md998054 To Tightening Oil Pressure Switch To Specified Torque
    G01852395Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.