>>A<< Engine Oil Pressure Switch Installation

Apply sealant to the engine oil pressure switch thread.
Specified sealant: Three Bond 1141J or equivalent

NOTE: Install the engine oil pressure switch immediately after applying sealant.

CAUTION: After the installation, until a sufficient period of time (one hour or more) elapses, do not apply the engine oil or water to the sealant application area or start the engine.

Fig 1: Applying Sealant To Engine Oil Pressure Switch Thread
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
In the same manner as removal, use special tool oil pressure switch wrench (MB992118) to tighten the engine oil pressure switch to the specified torque.
Tightening torque: 10 ± 2 N.m (89 ± 17 in-lb)

Fig 2: Installing Engine Oil Pressure Switch Using Special Tool Oil Pressure Switch Wrench (MB992118)
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.