1. Remove the bolt and disconnect the door opening limiter from the front pillar (see "Replacing the front door opening limiter").
2. Remove the protective cover from the wiring harness connector.
3. Fold back the wiring harness connector retainer...
4. ...and disconnect the wiring harness connector from the front door.
5. If you are not removing the door for replacement, mark the position of its hinges on the door (for example, trace the loops along the contour with a felt-tip pen).
6. Holding the door (it is best if an assistant does this), unscrew two bolts securing the lower door...
7. ...and the upper hinges and remove the front door assembly.
8. Install the front door in the reverse order of removal.
(The article was borrowed from the website: «CHEVYMAN.RU»)