Chevrolet EXPRESS - 2011 Manual page 312

7. Reinstall the lamp assembly into
the grille until the outboard clip
snaps into place.
To replace a taillamp/turn signal
lamp or back up lamp bulb:
1. Remove the two inboard nuts
from the inside of the taillamp
assembly.
2. The third nut (C) is under the
applique piece (B) above the
lamp. Remove the two inboard
applique nuts. Pull the
applique (B) straight rearward
slightly to clear the studs. Then
rotate the applique (B) just far
enough to gain access to the
outer push pins (A).
3. Carefully disconnect the push
pins (A) from the applique
bracket
4. Remove the third nut (C) from
the upper outboard side of
the lamp.
5. Remove the taillamp assembly
from the vehicle.
6. Remove the taillamp/turn signal
lamp (A) or back up lamp (B)
bulb socket by turning it
counterclockwise one quarter
turn and pulling it out of the
lamp assembly.