If you don't have the manuals, good luck. However, it is not too bad once you figure out how to take the door skin. The window has to be half open or 3/4 open (if I remember corectly) to remove the window regulator. I held it in that position with masking tape. The door skin is held to the door fame with plastic hooks and screws. After you take all the screws out, plus the door handle, you have to push up and away from the door. If you did it right all the hooks will come out in one piece. If you did not, oh well! Things to do/check while you are there: door strap (is your door hard to close?) and don't forget to reinstall the plastic cover (you may want to install Dynamat, optional). It is NOT as bad as it sounds!

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J.H.
'86 300E