REPAIR INSTRUCTIONS
Page 191
6. Repeat steps 1 through 5 to install the
remaining valve guides.
7. Thoroughly clean all metal debris from the
valve guides and the surrounding area.
8. Install the valves in the cylinder head and
check for binding, looseness and other
conditions that may result in premature
valve or valve guide failure.
Valve Seat Insert Replacement
[213 FB]
INLET AND EXHAUST VALVE SEAT INSERT
DIMENSIONS
Refer to Figure 191.
r
Valve seat (3) insert face angle (1)
—
Inlet: 20
°
30
′ ±
15
′
—
Exhaust: 30
°
−
0
′
/+ 30
′
r
Valve seat insert diameter (2)
—
Inlet: 1.832–1.831 inches
(46.533–46.507 mm)
—
Exhaust: 1.693–1.691 inches
(43.002–42.951 mm)
r
Valve seat width (4) — 0.066
±
0.015 inch
(1.676
±
0.381 mm)
191
Figure 191 — Valve Seat Insert Dimensions
INSPECTION
Visually inspect the valve seat inserts for
looseness, cracks or other conditions that may
result in improper operation. Replace seats as
necessary.
1. Valve Seat Insert Face
Angle
2. Valve Seat Insert
Diameter
3. Valve Seat
4. Valve Seat Width
5_106_00.bk Page 191 Friday, August 4, 2000 11:17 AM
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