it is on the inboard side of the front valve cover driverside end, you will need to replace the grommet also
full filter locatoin on a 1991 Cadillac Seville
No
the heater core is up under the dash on the riget side.
18.8 U.S. gal
Drop the fuel tank. Its in the tank
190 deg Fahrenheit 195 to 215
It is on the drivers side of the motor coming out of the valve cover. There is a rubber hose about 5/8' in size attached to it.
On mine it's located top front of the engine under the top section of the plastic split covers
the PCV valve is located on the valve cover of a 1991 Regal Custom. It is plugged in and can be easily changed.
The PVC valve for a 1991 Skylark should be located on the top of the valve cover. It is a plug in type, twist and pull to remove.
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.