Mazda MX-3 silhouetteMX-3

THERMOSTAT

E2-9prose procedure

Inspection

  1. 1
    Visually check that the thermostat valve is airtight.
  2. 2
    Place the thermostat and a thermometer in water.
  3. 3
    Heat the water and check the following.
    Cross-section illustration of the thermostat in the open position, with an arrow labeled 'LIFT' indicating the full-open lift travel of the valve.
  4. 4
    Check the thermostat gasket. If damaged, replace the thermostat assembly.
Initial-opening temperature
80-84°C {176-183 °F}
Full-open temperature
95°C {203 °F}
Full-open lift
8.5mm {0.33 in} min.

Installation Note

Thermostat

Install the thermostat into the cylinder head with the jiggle pin at the top.

Thermostat gasket

Install a gasket with the projection facing the same direction as the jiggle pin.

Steps After Installation

  1. 1
    Fill the radiator with the specified amount and type of engine coolant. (Refer to page E2-6.)
  2. 2
    Start the engine and check for leaks.

See also

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