C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Four Seasons Radiator - Coolant Level Sensor

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Old May 6, 2026 | 06:10 PM
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Default Four Seasons Radiator - Coolant Level Sensor

Hello, my rad just went and I got a new one from Four Seasons that came in today.

For anyone else that ordered this rad, did you have issues fitting the original coolant level sensor? The inlet on the new rad seems too small for the sensor to fit in.

Side question: Which way does the orifice tube go in?

Thanks!
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Old May 14, 2026 | 03:50 PM
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could you be confusing condensers vs radiators, and coolant vs freon?
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Old May 14, 2026 | 05:17 PM
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Definitely the radiator and coolant level sensor. I reached out to 4 seasons for a part number for a sensor that would fit but got nothing back. I modified the sensor by shaving some of the plastic off so let’s see if it leaks.

The orifice question came to mind while I was writing so I figured I’d ask.

Originally Posted by bajasam
could you be confusing condensers vs radiators, and coolant vs freon?
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