Engine Oil Pressure Check

Required Special Tool: 

MD998012: Engine Oil Pressure Switch Wrench

1. Check engine oil quantity.
   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.
2. Use special tool MD998012 to remove the engine oil pressure switch.
   NOTE: Remove the terminal of oil pressure switch where special tool MD998012 is not fitted.
3. Install the engine oil pressure gauge.
   NOTE: Use a 1/8 pipe thread adapter.
4. Run the engine to warm it.
5. After the engine has been warmed up, check that engine oil pressure is within the standard value.

   Standard value: 

   At idle: 29 kPa (4.2 psi) or more 

   At 3,500 r/min: 294 - 686 kPa (43 - 100 psi) 

6. Remove the engine oil pressure gauge.
   Fig 1: Identifying Engine Oil Pressure Gauge - 2.4L Engine

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
   Fig 2: Identifying Engine Oil Pressure Gauge - 3.8L Engine

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
   Fig 3: Identifying Special Tool MD998012

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
7. Apply the specified sealant 3M™ AAD Part number 8672 or equivalent to the threads of the engine oil pressure switch.
   Fig 4: Applying Specified Sealant To Threads Of Engine Oil Pressure Switch

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
   CAUTION: Do not start the engine within one hour after the engine engine oil pressure switch has been installed.
8. Use special tool MD998012 to tighten the engine oil pressure switch to the specified torque.

   Tightening torque: 

   < 2.4L ENGINE > 19 +/- 3 N.m (14 +/- 2 ft-lb) 

   < 3.8L ENGINE > 10 +/- 2 N.m (87 +/- 17 in-lb) 

   Fig 5: Identifying Special Tool MD998012

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.