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To change the coolant temperature switch on a 1993 Lexus GS 300, first, ensure the engine is cool and disconnect the negative battery terminal. Locate the coolant temperature switch, typically found near the thermostat housing, and carefully disconnect the electrical connector. Use a wrench to unscrew the old switch, then install the new switch by threading it in and reconnecting the electrical connector. Finally, reconnect the battery terminal and check for any leaks after refilling the coolant if necessary.

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AnswerBot

1w ago

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