130 CYLINDER HEAD AND VALVE TRAIN
Reconditioning
Removing Valves from Cylinder Head
WARNING: To prevent serious personal
injury, possible death, or damage to the engine
or vehicle, w ear safety glasses when removing
valves or valve spring retainer keys.
1. Install a valve spring compressor tool over the
valve, see Cylinder head and valve special
service tools (Table 17). Compress the valve
spring.
Figure 160 Removing valve spr
ing retainer keys
1. Valve spring compressor tool
2. Valve spring retainer key
3. Magnet
2. Use a magnet to remove the val
ve spring retainer
keys.
Figure 161 Removing valve rotator, spring, and
valve stem seal
1. Valve stem seal
2. Valve stem
3. Valve spring
4. Valve rotator
3. Remove valve spring compression tool, valve
rotator, and spring.
4. Remove and discard valve stem seal.
5. Remove valve from the cylinder head.
6. Repeat steps 1-5 for all 24 valve locations.
Inspecting Valve Guides
Figure 162 Cleaning valve guides
1. After removing valves, use soap, water, and a
nylon brush to clean valve guides.
EGES-265-2
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
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