Under radiator on bottom left, should be a plug or a screw.
Right under the battery
Should be located in a removable housing at the engine end of the upper radiator hose Drain about 1 gallon of coolant from the radiator Remove this housing Note how thermostat is installed in housing Clean both surfaces Replace thermostat and gasket Replace housing Re-fill coolant slowly to prevent an air lock Start engine and look for leaks Run engine to normal operating temperature with heater on Re-check coolant level
It's up on the thermostat housing. Follow your upper rad hose to the thermostat housing.
Mine is a '92 and the sensor is screwed into the back of the radiator on the passenger side about halfway down.
Leaks can be wherever two surfaces meet as coolant passes by.Water pumpHose connectionsHeater coreCracked radiator capBlown head gasket
"How do you clean the throttle body on a 2000 Pontiac Gran Prix?"
Find the leak and replace the hose/part that's leaking. It's a good time to flush your coolant system, too.
pontiac gran am
Monte Carlo Pontiac Gran Prix
The 2003 Pontiac Grand Prix does come with a factory security system installed. If your security system is enabled it should have a "security" light that flashes when the key is turned on.
In the cooling system.
coil pack