Adjust the lower roller (A).
Remove the roller maintenance cap (B).
Slightly loosen the lower roller bolts (C).
Move the door up or down to equalize the gaps.
Tighten all bolts securely, and reinstall the cap.
Honda Odyssey Service Manual > Moonroof Frame and Drain Tube Replacement: Rear Middle Drain Tube Replacement Remove the rear middle drain tube (A) from the frame (B). AB ...