Having problems with your 2003 Chevrolet Impala ?
Do i need thermostat 2003 impala - 2003 Chevrolet Impala
Yes you need a thermostat, the thermostat creates a restriction in the cooling system so that the coolant stays in the radiator long enough for the cooler air to transfer heat out of the coolant it also allows the coolant to stay in the block long enough to absorb the heat created by the combustion process so that you have heat and that the radiator can perform its function of cooling the engine as described above
Repair Help & Product Troubleshooting for 2003 Chevrolet Impala
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