Whenever you alter engine coolant hoses or flush the cooling action on your 1998 Grand Prix, you should deliberate replacing the thermostat.1. Unbarred the hood of your Grand Prix and prop it ajar for the life of this project with the hood block rod. Come next the top radiator hose back from the radiator to the engine to establish the thermostat housing. Assign the Blop pan on the ground, directly below the housing, to take any coolant that might leak gone when you remove the housing.
While some parts on the engine can malfunction and one demand mild replacement, whether the thermostat fails, your engine can be destroyed by overheating. The thermostat regulates the flow of coolant wound up the engine, removing excess heat from the engine block. With engine temps easily exceeding 200 degrees Fahrenheit, it's first-rate not to ok an elderly thermostat in situate when it can be easily replaced by anyone with acceptable Car repair skills.
Instructions
2. Remove the thermostat housing retaining bolts with the socket place. Pull the housing off the Grand Prix's engine by plam. Carefully comment how the thermostat sits in the intake manifold fit before you remove it.
3. Shove a Disinfected rag into the intake manifold well to deal in debris absent. Scrape the sealing surface of the hearty and the thermostat housing with the gasket scraper to remove the out of date glue and gasket counsel. Brush the debris absent from the nature.
4. Apply a thin layer of gasket glue to the thermostat gasket by hand and let it set up for one minute. Remove the rag from the intake manifold well and insert the new thermostat by hand.
5. Set the thermostat gasket in place on the intake manifold and lower the thermostat housing down onto the intake by hand. Thread the thermostat housing retaining bolts in by hand and tighten them with the socket set.
6. Top the coolant recovery tank with coolant to replace the amount, if any, lost when you removed the thermostat housing from the intake manifold. Remove the drop pan and close the hood of your Grand Prix.
