GM 20922231 Front Side Door Lock Assembly

Pry up the door latch handle screw cover at the front edge and remove the screw underneath. Lift off the latch handle assembly and disconnect it, with installation being the reverse of removal. Remove the door handle set bolt by working through the access hole, then detach the outside cap on the lock cylinder. Pull the outside handle in a rearward direction to release it from the door, followed by removing the door handle gaskets and the remaining door handle set bolt. Working through the access hole, disengage the actuating rods from the outside door handle and the key lock cylinder, then remove the lock cylinder. Take off the handle from the door, with installation being the reverse of removal. Remove the outside door handle and the lock cylinder retaining clip from the handle, then take out the lock cylinder from the handle, again with installation being the reverse of removal. Disengage the inside handle-to-latch actuating rods from the inside handle, then remove the outside door handle. Finally, remove the three screws securing the latch to the door and take out the latch assembly, disconnecting the electrical connectors from the latch mechanism, with installation being the reverse of removal.

Every 3000 miles or on average three months, a few drops of light oil or lock lubricant should be applied to the hinges and latch assemblies of the doors, hood as well as the trunk. The door latch strikers should be greased by sparingly applying thin layer of grease all along the latch strikers to minimize wearing out and for ease of movement. morever, it is recommended to apply a spray-on graphite lubricant to the door and trunk locks.