Drop it out of the back, there should be a hole above the bumper on the rear.
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R134a
Behind the bumper remove plastic cover from under rad
how to remove the spare on a 2003 explorer
If it has one, you simply use the correct size socket and ratchet and turn counterclockwise.
Actually , it's fuel injected , so there is no carburetor on a 1996
Sell your Ford junk its not the only problem you will have.
lift up the carpet in the boot and there will be a big nut 17mm or 19mm, remove this and the panel holding the spare tyre should drop down and can be removed
with a lot of special words.
You can lower it with the help of a mechanic. You can take it out and then place it onto the empty part.
https://www.fleet.ford.com/maintenance/owners_manuals/default.asp