Thermostat Removal/Installation: Notes

Disconnect the negative battery cable.
Remove the fresh air duct.
Remove the air cleaner. (ZM model)
Drain the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS .) (See ENGINE COOLANT REPLACEMENT .)
Remove in the order indicated in the table.

Fig 1: Thermostat Removal Order Table (ZM)
Courtesy of MAZDA MOTORS CORP.

Fig 2: Removing Thermostat (ZM)
Courtesy of MAZDA MOTORS CORP.

Fig 3: Thermostat Removal Order Table (FS)
Courtesy of MAZDA MOTORS CORP.

Fig 4: Removing Thermostat (FS)
Courtesy of MAZDA MOTORS CORP.
Install in the reverse order of removal.