My sliding doors has been popping open "half" way when driving and
driving on bumpy roads makes it happen quicker after closing. I
lubricated as per bentley and it worked better for about half of our
month long trip. I looked on the clearance on all side and it seems
to sitting low in the opening but the strider plates are all lined
up. The door had fallen off recently (previous owner) but was put
back on by a good shop. I looked bentley about raising the door but
it looks like the door is already raised as high it will go. Is the
inner-working of the latch worn?

Thanks, David