HelloCustomer my name is***** you for choosing justanswer.com.
Here is the procedure you requested:Trim Panel Upper Extension
Trim Panel Upper Extension
J 38778 Trim Panel Remover
1. Remove the trim panel from the door by completing the following steps:
1.1. Using the J 38778, carefully pry the retainer from the door.
1.2. Pull upward in order to release the extension from the trim panel.
2. Remover the retainer from the extension.
1. Install the retainer to the extension.
2. Install the extension to the door by completing the following steps:
2.1. Insert the extension onto the trim panel.
2.2. Align the retainer into the hole in the door.
2.3. Push the extension until the retainer seats.
If you need any of the specifics on the door, let me know and I will get them for you. If you have any more questions or need any more diagrams, please don't hesisitate to ask...Thanks again, JHoop