Sable V6-183 3.0L VIN U FI (1998)
NOTE: Piston must be at Top Dead Center (TDC) of cylinder being serviced.
2. If the condition of the valve is satisfactory, apply clean engine oil to the valve stem and hold the valve closed. Apply the air pressure within the
cylinder.
CAUTION: If the valve has been damaged, it will be necessary to remove the cylinder head for service.
3. Install new valve stem seal using a 5/8-inch deep-well socket. Make sure valve stem seal is bottomed on guide.
NOTE: intake valve stem seals have a silver band around them while the exhaust valve stem seals have a red band.
4. Position valve spring and valve spring retainer over valve stem.
5. Compress valve spring using a suitable valve spring compressor and install valve spring retainer keys.
6. Remove valve spring compressor.
7. Turn air supply OFF and remove adapter from spark plug hole.
8. Install spark plugs.
9. Install rocker arms, valve covers and upper intake manifold.
10. Start engine and check for leaks.
