I now have a Mity Vac in my possession, so I want to find the leak that causes the door locks to go down slowly and slopily.

1) How do I lift the rear seat? From the bottom of it toward the roof, or from the rear of the seat then forward?

2) Once that's off, I guess I use a vac and test each line? Someone said to put a golf tee in the other lines to block them off or something? I forget.

Thanks,

Jeff 1991 300d, 114k