The Chevy Impala debuted in 1958 as "a prestige automobile within the grasp of the guideline" American. The representation sold bright-eyed until 1986 in favour of the Caprice. Chevy re-introduced the Impala in the mid-1990s as a family sport sedan with a Corvette-derived engine and classy monochromatic colour scheme. Remove the radiator hose. Manipulate chagrin when detaching the electrical connections to the sensors mounted on the thermostat housing.3. Grip off the thermostat housing bolts and lift off the thermostat housing.
1. Disconnect battery ground cable from the terminal. Extract the cooling development so that the constant of coolant is below the alike of the thermostat.
2. By reason of then, it has held court as Chevy's full-size sedan. The 2002 Impala offered the 3.1L and 3.8L engines. Spring from the earful approximately installation of a recent thermostat in those models.
Instructions
Pull absent the thermostat and sling gone the gasket.
4. Disinfected all the thermostat components. Practice a thread cutting tap To cleanse any dirt or old sealer from the threaded holes in the manifold.
5. Set the thermostat on the intake manifold so that it's properly positioned. Set the new gasket over the thermostat. Lubricate the bolts with clean engine oil. Tighten the bolts to 18-20 foot/pounds.
6. Reattach the radiator hose to the thermostat housing. Fill the system with the appropriate type and amount of coolant.
7. Attach the negative battery cable to the terminal. Start the engine and allow it to run for several minutes, then check for leaks.
