the heater core is up under the dash on the riget side.
full filter locatoin on a 1991 Cadillac Seville
No
18.8 U.S. gal
it is on the inboard side of the front valve cover driverside end, you will need to replace the grommet also
190 deg Fahrenheit 195 to 215
Drop the fuel tank. Its in the tank
your windshield seal could be bad or you may have a bad heater core if it is leaking bad you'll know soon enough, its the heater core!. Mines doing the same thing and its the heater core. The bad news is that the part is only 75.-100. bucks but the labor will eat you alive.
Inside the gas tank, along with the sending unit (the part that displays how much gas you have on the dash).
It is located inside of the distributor.
On a 1991 Cadillac DeVille, the relay for the heater blower is typically located in the fuse box, which is found under the dashboard on the driver's side. You may need to consult the owner's manual for the exact location within the fuse box, as there may be a diagram indicating the specific relay for the heater blower. Additionally, check for any other related fuses that could affect the blower's operation.
they are located on the exhaust manifolds
There is No amplifier inside a cadillac fleetwood brougham d'elegance