When engine is cool- Remove the air intake filter assembly and air hoses to expose the Thermostat housing on the engine. Make sure you mark or paint where any removed hose goes back on the engine or air filter assembly. The thermo is in the engine, under the water connection housing.The top radiator hose is connected to that housing. Remove two -three small bolts on housing. Replace thermo and gasket. reinstall bolts and check out water supply for leaks. If none -reinstall all things removed to access thermo and test all operations.
How Do I change the serpentine belt on a 1989 Cadillac Eldorado ?
change thermostat
Usually in housing at engine end of top radiator hose
Vrey carefully
thermostat is located under radiator cap!
If your heat and air conditioner doesn't work on your 1989 Cadillac Eldo and you have install a new compressor, check the thermostat. The thermostat may be stuck close or has gone bad.
where do I find it
The 1999 Cadillac thermostat can be found on the front of the engine. The thermostat will be inside of the thermostat housing. You can follow the top radiator hose directly to the thermostat housing.
where is the thermostst on a 1993 Cadillac allante
where is the thermostst on a 1993 cadillac allante
Follow the upper rad hose from the rad to the engine and there you will find the thermostat in a housing. When replacing it make sure the spring on the thermostat goes toward the engine.
Check or better , change the thermostat.