[ReelMagic]

The sliding door to the cabin is starting to stick when opening or closing... Cleaned the lower track and lubricated with good silicon... Appears to have helped but know the top needs additional cleaning and lubrication.. Did what I could cleaning/lubricating and it helped.. Looking for information has to how the door slide mechanism on top works. Know the bottom has roller assembly. The bottom assembly is clean/lubricated but have no idea what makes the top/front slide work..

[trit21]

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Take a look at the website above. They have 'trucks' which are the sliding mechanism used on both the top and bottom on many sliding door and screens. I am sure you can find another site but I know of this one so thought I would provide the photos and information for you. They also offer the upper and lower tracks for the 'truck' to roll inside. I hope this helps.

[ReelMagic]

Thanks for the info and link... Can see the trucks on the bottom of the door but can't see those on the top of the door. Have done what I can to clean/lubricate both top and bottom but door still sticks... Appears the top is loose somehow but can't see how/what... Thanks again

[firstlight]

Google Boat Outfitters they have upper and lower door trucks and channels if you need both.  I changed both on my 36' open.