Impala V6-3.8L SC VIN 1 (2005)
7. Determine the tumbler numbers and their respective positions.
1. Place the tip of the key directly over the tip of the illustrated key.
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 one tumbler spring (2) above each tumbler (4).
11. Lubricate the tumblers using Superlube 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:
1. Hold the spring retainer (2) in position.
2. Insert the key (1) into the lock cylinder. The side bar (3) should drop down to the level of the lock cylinder core. If the side bar does NOT drop
down to the level of the lock cylinder core, proceed to step 2.
15. Remove the key from the lock cylinder core.
