There is a easier way of getting it open without having to have any "know how" get into the truck from the inside of the car behind the seat. This requires you getting into the trunk. Unscrew whatever is in the way of the lock whether it is a peice of plactic or a metal … Read more

I have the same problem but I took the head off and the pistons are stuck perfectly centered so any mystery il I put down it just runs into the exhaust holes