1. Disconnect the wire from the negative terminal of the battery.
2. Remove the trunk lid trim (see "Removal and installation the trunk lid trim").
3. Squeeze the retainer and disconnect the wiring harness connector from the trunk lid lock.
4. Remove the two screws securing the trunk lid lock...
5. ...and remove the lock.
6. Install the trunk lid lock in the reverse order of removal.
To adjust the trunk lid lock, follow these steps:.
1. Loosen the two bolts securing the trunk lid lock latch.
2. Move the latch within the oval holes of the body until the lock operates smoothly.
3. After adjustment, tighten the trunk lid lock latch mounting bolts.
The text of the article was obtained from the website CHEVYMAN