Remove the injector sleeve o-ring from the injector bore in the cylinder head. Discard the o-ring. Use solvent to clean the injector bore. Dry with…

Use an injector sleeve puller, Part No. ST-1244, to remove the injector sleeves from the cylinder head. Install the puller in the injector sleeve with…

Use the N14 valve head checking tool to measure the head thickness of the valve. NOTE: If the valve head is below the end of…

Use Scotch-Briteா 7448, Part No. 3823258, to clean the valve stems. Clean the carbon deposits from the valve face and the head. NOTE: The valves…

Install the base and swivel of valve seat insert tool, Part No. ST-257, on the cylinder head to guide the valve seat driver. NOTE: The…

Visually inspect the insert bore for cracks or damage. NOTE: If cracks or damage are found, it is possible to repair the cylinder head by…

Use a wire brush and solvent to clean the deposits from the valve seat insert bores. Use solvent to clean the cylinder head. Dry with…

Use slide hammer assembly, Part No. 3376617, and valve seat extractor, Part No. ST-1279-1, to remove the valve seat inserts from the cylinder head.

Caution: Do not use a hammer or damage to the dowel will result. Use a plastic mallet to install the ring dowel.

Caution: Do not damage the surface or the ring dowel hole during removal of the dowel. Use a pliers or a locking pliers to remove…