Section 2 - Cylinder Head - Group 02 Cylinder Head - Rebuild (2-02) M11 Page 2-19 Caution: Do not use excessive force or the seal will be damaged. Use valve seal driver, Part No. 3823946, to install the valve seals on the valve guides. Position the seal on the tool arbor. Insert the arbor into the top of the guide and tap the tool with a plastic mallet to seat the bottom of the seal against the machined step on the valve guide. Use clean 80W, or higher, gear lube with EP additives to lubricate the valve stems. Install the valves in the valve guides. After the valves are installed, place the cylinder head on a flat surface that will not damage the cylinder head surface.
Install the valve spring wear plates. Install the valve springs. Install the valve spring retainers. Use valve spring compressor, Part No. ST-448, compres- sor thread adapter, Part no. 3376850, and compressor adapter, Part No. 3376851, to compress the valve springs. NOTE: Always use new collets when rebuilding the cylinder head. Install the new valve spring retainer collets.