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A 1999 Cavalier does not use Freon as a refrigerant.
Add engine coolant
Coolant recovery tank
your coolant tank should be on the pass. side inner fender
GreenGreen
9.6 qt coolant capacity
Low coolant? Bad thermostat? System airbound? Water pump not circulating coolant? Temperature control cable not adjusted properly?
A coolant leak on a 93 cavalier could be anyplace where coolant flows. Check all hoses, connections, the radiator, and heater core for any possible leak spots.
**I meant to add that the radiator cap is not to be found on this vehicle. Can it go into the coolant fill tank?
The sensor is located underneath the coolant recovery tank. On a 1999 Cavalier, there could be some sludge built up underneath the tank. Unfortunately the sensor alone cannot be replaced, the entire tank and sensor comes as one piece and must be replaced. tap on the side of your fill/overflow tank where the sensor is located sometimes they get stuck
where do I find the egr valve on a 1999 Chevy Cavalier?
The 1999 Chevrolet Cavalier 2.2L engine has 115HP