I need help with some issues on my 2000 Honda (read Isuzu) Passport.

1) The two rear passenger doors are VERY stiff to open. - It's almost like they are glued to the rubber door sill. The sills are crumpled over at the top rear corner of each door. Could this be a cause?
2) Proper lubricant - Also, what is the proper lubricant for the thin metal bar that connects the door to the frame? I've tried WD-40, but that does not last very long.
3) Tar like substance - I also have a tar-like substance oozing out from the bottom of a couple of passenger doors, as well as the rear cargo door. Anyone know what might be causing this?
I live in Maryland and only drive 100-150 miles a week back and forth to work.
TIA, Hawkeye65
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1) Crunpled sills could cause the door problems. How did they get that way? Some sort of collision damage? 2) I'd try some graphite on the door strap. I'm not a fan of lubricant sprays as they attract too much dirt and make a mess. 3) Black ooze is the adhesive used to attach the plastic moisture barrier to the inside of the door. This is a common problem with dark colored vehicles. Door heats up and the ooze melts down onto the rocker panel inside the door jamb. Mine is black and does this too. Use some laquer thinner sparingly to clean it up. Andy

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I purchased it used, 2 years ago. The Passport is gray/silver in color. Thanks for the information.
Hawkeye65
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