Monte Carlo V6-3.8L SC VIN 1 (2004)
4. Compress the valve spring using the J 38606.
5. Install the valve spring and cap.
6. Install the valve locks.
7. Release the valve spring.
Important: Ensure that the valve locks are seated.
8. Release the air pressure, and remove the J 23590.
9. Install the spark plug.
10. Install the push rods and the valve rocker arms.
11. Install the left or the right valve rocker arm cover.