Neutral Switch Removal/Installation

Remove the neutral switch.
Apply a light coat of silicone sealant to the screw of the neutral switch.
Sealant

Three Bond product: TB1215

Fig 1: Locating Neutral Switch
Courtesy of MAZDA MOTORS CORP.
Install the neutral switch to the transaxle case.
Tightening torque

22.5-33.3 N.m

(2.3-3.4 kgf.m, 16.6-24.6 ft.lb)