>> A << Engine Oil Pressure Switch Installation

WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.

Apply sealant to the engine oil pressure switch thread.
Specified sealant: ThreeBond 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 oil or water to the sealant application area or start the engine.
In the same manner as removal, use special tool MD992118 to tighten the engine oil pressure switch to the specified torque.
Tightening torque: 10 ± 2 N.m (89 ± 17 in-lb)

Fig 1: Identifying Sealant Applying Area On Engine Oil Pressure Switch Thread
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 2: Removing/Installing Oil Pressure Switch Wrench
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.