CYLINDER HEAD AND VALVE TRAIN 143
2. Lubricate the inside diameter of the new valve
stem seals with clean engine oil. Install the seals
over the valve stems and valve guides. Make sure
that the seals are completely seated against the
cylinder head spring pockets.
3. Install the valve springs over the valve stem seals.
4. Then install the valve rotators on top of the valve
springs.
WARNING: To prevent serious personal
injury or possible death, wear safety glasses
before using the valve spring compressor.
Figure 193 Installing valve spring retainer keys
1. Valve spring compressor tool
2. Valve spring retainer key
5. Install a valve spring compressor tool over th
e
valve. See cylinder head and valve special
service tools (Table 17). Compress the valv
e
spring.
6. Install the valve spring retainer keys.
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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