Park Avenue V6-3.8L SC VIN 1 (2005)
2. Pry the tumbler spring retainer out of the ignition lock cylinder core using a small flat-bladed tool.
3. Remove all of the tumbler springs.
4. Remove all of the tumblers by rotating the lock cylinder so that the tumbler slots are facing down.
IMPORTANT: Be careful to observe and record each tumbler and its relative position in the lock cylinder core as the tumblers are removed.
5. Hold the lock cylinder core close to a flat surface.
6. Pull the lock cylinder core side bar out with your fingers. It may be necessary to tap the lock cylinder on a hard surface to remove all of the
tumblers.
7. Determine the tumbler numbers and their respective positions.
1. Place the tip of the key directly over the tip of the illustrated key paper version only.
2. Inspect that the diagram outlines the key.
3. Starting with position 1 the open end of the lock cylinder, find and record the lowest level tumbler number that is visible.
4. Repeat the previous step for positions 2-10.
8. Starting with position 1, insert the tumblers (4) into their corresponding slots in the coded order.
9. Using your fingers, pull out the side bar (3) until the tumblers fall completely into the lock cylinder core.
10. Insert 1 tumbler spring (2) above each tumbler (4).
11. Lubricate the tumblers using Superlube (R) GM P/N 12346241 or equivalent.
12. Insert the spring retainer (1) prongs into their respective slots in the lock cylinder core.
13. Press the retainer (1) down until the retainer is fully seated in the lock cylinder core.
14. Inspect for proper tumbler installation:
