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Home >> Mazda >> 1994 >> RX7 2RTR-1308cc 80 >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Transmission Temperature Sensor/Switch >> Testing and Inspection >> Water Thermoswitch
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Water Thermoswitch



Inspection
1. Refer to "Replacement" below for removal of water thermoswitch.




2. Wrap the water thermoswitch in wrapping vinyl, place it in the ATF with a thermometer as shown, and heat the ATF gradually.




3. Measure the resistance between the terminals of the water thermoswitch.
4. If not correct, replace the water thermoswitch.
5. Refer to "Replacement" below for installation of the water thermoswitch.


Replacement
1. Disconnect the negative battery cable.




2. Disconnect the water thermoswitch connector.
3. Drain the engine coolant.
4. Remove the water thermoswitch.
5. Install the new water thermoswitch.

Tightening Torque: 5.9-6.8 Nm (53-78 in.lb.)

6. Connect the water thermoswitch connector.
7. Fill the engine with the specified amount and type of engine coolant.
8. Connect the negative battery cable.




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