Thermostat Installation Note

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Install the thermostat into the thermostat case with the jiggle-pin at the top.

Fig 1: Identifying Thermostat Case With Jiggle-Pin
Courtesy of MAZDA MOTORS CORP.