DeVille V8-4.6L VIN Y (1998)
9. Compress the valve spring and remove the valve keepers. A magnet is the most suitable tool for this activity, such as J 38819.
IMPORTANT: Do not attempt to reuse the valve stem seal/seat assembly as the sealing lip will be damaged by the sharp edge of the lock groove
in the valve stem during removal.
10. To remove the valve stem seal, install lifter bore protector J 38820-2 and use the J 38820 in order to grip the seal/seat assembly. Remove the seal
by exerting a twisting, pulling motion. Discard the seal.
INSTALLATION PROCEDURE
1. Lubricate the valve stem and the inner diameter of the new seal/seat assembly.
2. Using a twisting pushing motion install the seal seat using J 38820. Lifter bore protector J 38820-2 should be in place during this operation.
3. Position the spring retainer to the valve spring and compress the spring using J 38824.
4. Position the valve keepers under the fingers of the J 38819. Place the pilot end of the J 38819 over the valve stem and compress the tool until the
keepers fall off the tool and drop into the retainer groove.
5. Release valve spring tension from the J 38824.
6. Remove the J 39313.
7. Install the valve lifters into the same bore from which they were removed.
8. Install the camshaft.
