The Mark VIII was developed as a joint venture between the US and Great Britain, and was designed by goverment (military) designers. I do not believe that the tank itself is, or was, patented. Elements, such as catepillar style tracks, WERE patented by their creators long before tanks were first built.
no
Under the rear of the car.
It is in the fuel tank.
Follow from tank
located in the gas tank
Unfortunately you have to remove the tank, siphon as much as you can and then remove the tank.
Mounted directly along side the winshield washer fluid tank.
I think you have to remove the drive shaft, remove the straps to the tank and drop it, of course disconnect the battery, and remove as much gas as possible.
check your fuel cut off switch, its under the right side dash.
i have the same yr of car. when im on empty and fill up the tank it takes approx 18 gallons.
The gas tank on the 2010 Jaguar XF holds 18.4 gal..
The gas tank on the 2012 RAM 2500 holds 35.0 gal..