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To replace the temperature sending unit on a Pontiac Montana, first, ensure the engine is cool and disconnect the negative battery cable. Locate the temperature sending unit, usually found near the thermostat housing or engine block, and disconnect the electrical connector. Use a socket or wrench to remove the old sending unit and install the new one, ensuring a proper seal. Finally, reconnect the electrical connector and the battery cable, and check for leaks when you start the engine.

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2mo ago

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