Thunderbird V8-4.6L VIN W (1997)
3. Position valve spring and valve spring retainer over valve stem.
4. Install Valve Spring Spacer between valve spring coils.
5. Compress valve spring using Valve Spring Compressor and install valve spring retainer key.
6. Remove Valve Spring Compressor and Valve Spring Spacer.
7. Turn air supply OFF and remove adapter from spark plug hole.
8. Install spark plug.
9. Install rocker arms and valve covers
10. Start engine and check for leaks.
