Dodge dakota 2002 Service Manual page 1555

9 - 306 ENGINE 5.9L DIESEL
INTAKE/EXHAUST VALVES & SEATS (Continued)
Fig. 24 Valve Spring, Seal, and Retainers
1 - VALVE RETAINING LOCKS
2 - VALVE
3 - SEAL
4 - SPRING
5 - RETAINER
INSPECTION
Visually inspect the valves for abnormal wear on
the heads, stems, and tips. Replace any valve that is
worn out or bent (Fig. 25).
Fig. 25 Visually Inspect Valves for Abnormal Wear
Measure the valve stem diameter in three places
as shown in (Fig. 26).
Fig. 26 Measure Valve Stem Diameter
VALVE STEM DIAMETER
6.96 mm (0.2740 in.) MIN
7.010 mm (0.2760 in.) MAX
Measure the cylinder head valve guide bore (Fig. 27).
VALVE GUIDE BORE SPECIFICATIONS
VALVE GUIDE BORE SPECIFICATIONS
Valve guide bore
diameter
Min.
Max.
Installed valve guide
depth
Intake
Min.
Max.
Exhaust
Min.
Max.
Fig. 27 Measure Valve Guide Bore
DR
7.027 mm (0.2767 in.)
7.077 mm (0.2786 in.)
0.584 mm ( 0.023 in.)
1.092 mm ( 0.043 in.)
0.965 mm ( 0.028 in.)
1.473 mm (0.058 in.)