Engine Oil Pressure Check

Required Special Tool: 

MD998054: Engine Oil Pressure Switch Wrench

1. Check engine oil quantity.
2. Remove the engine oil pressure switch terminal.
   Fig 1: Locating Engine Oil Pressure Switch (2.4L)

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
   Fig 2: Locating Engine Oil Pressure Switch (3.0L)

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
   CAUTION: Since sealant is applied to the thread of the engine oil pressure switch, take care not to damage the engine oil pressure switch when removing it.
3. Use special tool MD998054 to remove the engine oil pressure switch.
4. Install the engine oil pressure gauge.
   NOTE: Use a 1/8 pipe thread adapter.
5. Run the engine to warm it.
6. After the engine has been warmed up, check that engine oil pressure is within the standard value.
   1. Standard value: 
      1. At idle: 29 kPa (4.2 psi) or more 
      2. At 3,500 r/min: 294 - 686 kPa (43 - 100 psi) 
7. Remove the engine oil pressure gauge.
8. Apply the specified sealant 3M^TM AAD Part number 8672 or equivalent to thread of the engine oil pressure switch.
   Fig 3: Removing Engine Oil Pressure Switch Using Special Tool (MD998054)

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
   Fig 4: Identifying Thread Of Engine Oil Pressure Switch

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
   CAUTION: Do not start the engine within one hour after the engine oil pressure switch has been installed.
9. Use special tool MD998054 to tighten the engine oil pressure switch to the specified torque.
   1. Tightening torque: 
      1. < 2.4L ENGINE> 19 +/- 3 N.m (14 +/- 2 ft-lb) 
      2. < 3.0L ENGINE> 10 +/- 2 N.m (87 +/- 17 in-lb) 
10. Install the engine oil pressure switch terminal.
    Fig 5: Tightening Engine Oil Pressure Switch Using Special Tool (MD998054)

    Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.