ENGINETNV DI Service Manual 6-554-Valve Cylinder Head3. Remove the valve keepers (Figure 6-49, (1)).4. Slowly release the tension on the valve spring.5. Remove the spring retainer (Figure 6-49, (2)),valve spring (Figure 6-49, (3)).Figure 6-496. Repeat the procedure with all the remainingvalves.Note: If the valves are to be reused, identifythem so they can be installed in theiroriginal location.7. Remove the injector nozzle protectors(Figure 6-49, (6)) and the seats(Figure 6-49, (7)).8. Turn the cylinder head so the exhaust port sidefaces down. Remove the intake and exhaustvalves (Figure 6-49, (5)) from the cylinderhead.9. Remove the valve stem seals(Figure 6-49, (4)).Removal of Valve GuidesNote: Removal of the valve guides should bepostponed until inspection andmeasurement procedures have beenperformed. See Inspection of ValveGuides on page 6-57.1. Using a drift pin and hammer, drive the valveguides (Figure 6-50, (1)) out of the cylinderhead.Figure 6-50Cleaning of Cylinder HeadComponents0001867(1)(5)(3)(4)(7)(6)(2)A WARNINGFUME / BURN HAZARD!• Always read and follow safety relatedprecautions found on containers ofhazardous substances like partscleaners, primers, sealants andsealant removers.• Failure to comply could result in deathor serious injury.0000014en0001868(1)
