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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.
How do I replace the spark plugs in a 1999 Cadillac Catera?
Where is the engin temperature gauge sensor located on the 1999 cadillac catera?
123456
The 1999 Cadillac normal coolant temperature gauge reading should be 180 degrees. A 195 degrees thermostat could be used, causing the temperature gauge to read 195.
with your hands
it is a 16 gallon
I don't think you can change it. I have a 1999 catera and my transmission fluid has to be changed at the dealer.
no
Your Transmission
Replace it
how to replace a fuel filter on a 1999 Cadillac eldorado