Colorado 4WD L5-3.7L (2007)
11. Stake the bezel end of the retainer in place:
1. Hold the flat side of the punch, part of J41340, squarely against the face of the cylinder bezel.
2. Stake the lock cylinder metal over the retainer corners.
12. Stake the other end of the retainer:
1. Remove the punch, part of J41340.
2. Rotate the punch, part of J41340, 180 degrees.
3. Hold the punch, part of J41340, squarely against the end of the punch slot on J41340.
4. Stake the metal over the other end of the retainer.
13. Loosen the holding screw.
14. Remove the cylinder from the J41340.
15. Inspect that the retainer is properly staked. Restake as needed.
16. Lubricate the cylinder retainer slot.
17. Insert the following parts into the cylinder retainer slot:
*
The retainer spring (2)
*
The retainer (3)
Important: Use a paste type grease, not a spray, for the following step.
18. Lubricate the following parts with GM P/N 12345996 or equivalent as needed:
*
The detent pins (1)
*
The cylinder retainer (3)
Side Door Lock Cylinder Coding
The side door lock cylinder has five snap-in tumblers. The number 1-5 positions (beginning closest to the cylinder head) is a brass retainer tumbler. The
6-10 positions are standard tumbler positions. Therefore, only the 6-10 positions are required.
