Cylinder Head Injector Sleeve - Replacement (2-07) Section 2 - Cylinder Head - Group 02 M11 Page 2-26 Use a lead pencil to mark across the valve face, as shown. Install the valve into the valve guide. Hold the valve against the valve seat and rotate the valve at least 10 degrees. Correct contact against the valve seat will break the marks on the valve face. Install the valves in the cylinder head. Refer to Cylinder Head - Rebuild - Assembly (2-02). Use valve vacuum tester, Part No. ST-1257, with vacuum cup, Part No. 3376100, to vacuum test the valve seating. Refer to Cylinder Head - Vacuum Test Valve Seating (2-09).
Cylinder Head Injector Sleeve - Replacement (2-07) Disassembly Use injector sleeve puller, Part No. 3377079, to remove the injector sleeves from the cylinder head. Follow the directions supplied with the tool to remove the sleeves. Inspection 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 com- pressed air. Visually inspect the injector seat surface in the bottom of the injector bore. If the bead in the cylinder head is not smooth the injector bore must be repaired. Refer to the Alternative Repair Manual, Bulletin No. 3810310.