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Long story short I have a chevy cavalier with a hot wired radiator fan and I noticed my car stays cooler in the winter.will my car be fine or a should I install a aftermarket thermostat for the custom fan.

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  • Hot wired? It would be simpler to disconnect in winter than add more home-made stuff. Commented Oct 17, 2022 at 19:38
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    Or add a manual switch. Commented Oct 17, 2022 at 19:51
  • Welcome to Motor Vehicle Maintenance & Repair! Commented Oct 17, 2022 at 19:55
  • If your Chevy uses a coolant sensor to send temperature signals to the pcm, it may have failed. The temperature gauge may be displaying incorrectly too when it depends on the coolant sensor sending correct signals to the pcm to drive the gauge. An alternate radiator fan switch can be the variable temperature sensor with its probe inserted into the radiator. The adjustable temperature dial customizes turn on/off temp.
    – F Dryer
    Commented Oct 18, 2022 at 18:21

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