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Re: Low coolant light - Coolant Bleeder Screw?
My general conclusions about the cooling system of the 1992 Corsica with a 3.1 V6 are the following:
There are no bleeder screws in the cooling system, however, the thermostat housing has a discharge line on top of it to allow for the engine to bleed the air to the surge tank through normal operation.
There is a level sensor in the surge tank. While my low coolant light came on with several re-starts and a more than reasonable amount of operating time and squeezing of the upper coolant hose, disconnecting the sensor and re-connecting it caused the low coolant light to go out. The sensor is attached from underneath the surge tank.
My temperature gauge on the dash routinely ran to the 3/4 point before replacing my thermostat. After installing a 180 degree thermostat from Autozone, the temperature gauge stays right around 1/2.
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2008 Chevy Uplander
2001 Ford Windstar
1992 Chevy Corsica
1989 Lincoln Mark VII LSC
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