Page 204
REPAIR INSTRUCTIONS
Before installing the valve stem seals, be sure the
rotator has been installed. The rotator will not fit
over the valve stem seal.
3. Lubricate the valve stem seals with engine
oil and install the seals using valve seal
installer J 42453.
4. Install the valve in the cylinder head.
5. Check the valve stem tip for nicks or burrs
that may damage valve seal upon
installation.
6. Install the valve spring, upper washer and
keepers. Use tool J 29294-B to install the
keepers.
7. After the valves are installed, check each
inlet valve for head height above the cylinder
deck. The protrusion dimension for inlet
valves should be 0.0425 +0.009/
−
0.007 inch
(1.0795
+
0.229/
−
0.178 mm). Refer to
Figure 211 and Figure 212.
211
Figure 211 — Checking Valve Assembly Height
8. Check each exhaust valve for head depth
below the cylinder deck. The depth
dimension for the exhaust valve should be
0.021 +0.009/
−
0.007 inch
(0.553 +0.229/
−
0.178 mm).
1. Inlet Valve
2. Depth/Height
Measurement Tool
5_106_00.bk Page 204 Friday, August 4, 2000 11:17 AM
BDC for engine manuals and specs