CTS V6-3.2L VIN N (2003)
1. Hold the cylinder (9) so that the side with 4 tumbler spring wells faces upward.
IMPORTANT: The front side door lock cylinder tumblers (10) are not self retaining and must be held in place if the key is not fully inserted into the
lock cylinder, or until the cylinder (9) is assembled into the case assembly (11).
2. Insert tumbler springs (5) into the 4 spring wells.
3. Install the tumbler for key cut position 4 in the slot nearest to the front of the lock cylinder (2).
4. Install the three remaining tumblers, key cut positions 6, 8 and 10, on this side of the lock cylinder.
5. Inspect for correct loading of the tumblers (10) by inserting the key into cylinder (9). All of the tumblers should be flush with the outside diameter
of the lock cylinder.
6. Turn the cylinder (9) so that the side with three tumbler spring wells faces up.
