1B-10 Mechanical (4HK1) SST: 5-8840-0019-0 - sliding hammer 1. Injector 2. Injector sleeve Caution Store each ID code plate on the injector head with the cylinder number tag attached to avoid a mix-up. Be extremely careful not to damage the injector nozzle. 1. Sliding hammer 2. Fuel injector remover 3. Injector Caution When removing the injector using the special tool, check that the injector sleeve has not been removed as well. 19. Rocker arm shaft removal 1. Loosen the adjust screw using the wrench. Note Loosen all valve clearance adjustment screws.