You need the services of a gunsmith
You should gas mileage will suffer otherwise
To fix a trunk latch that is stuck open, the teeth on the lock may have to be adjusted so the trunk will close. It is also possible that the cable for the trunk latch is broken. To fix the gas cap door latch may require a little bending and adjusting with a pair of pliers.
A person should replace the power roof fuse to help fix it, if it is stuck open. In the meantime,a Êperson can try to pull it shut with their hand or their tools.Ê
You have to take the door apart
When trunks get older, sometimes the latches get stuck. To fix them a person needs to add oil to the latch to loosen up the parts of the lock and turn the key hard.
When mine did that, I tried pushing on it a bit and pressing on it while pushing the button.
Possible cause thermostat bad stuck open
1989 Bronco11 back hatch door won,t open
You replace them!
"Fixed" is too broad of a term, is it stuck open, closed, leaking, not working at all. Specification needed here.
Take the door apart and disconnect the seized motor from linkage and tape up window and replace motor.