Isuzu 1999 RODEO Workshop Manual page 552

6. Use J–8062 valve spring compressor and J–42619
adapter to remove split collar (9).
7. Remove spring upper seat and valve spring (10), (11).
8. Valve, valve guide – use commercially available
remover pliers.
Valve spring lower seat from cylinder head.
ENGINE MECHANICAL (X22SE 2.2L)
Inspection and Repair
1. Use a internal micrometer to measure the diameter
valve guide.
Valve stem play
Intake : 0.03 to 0.057 mm (0.0012 to 0.0022 in)
Exhaust : 0.04 to 0.067 mm (0.0016 to 0.0026 in)
011RW014
Valve Guide
CAUTION: Taking care not to damage the valve seat
contact surface, when removing carbon adhering to
the valve head. Carefully inspect the valve stem for
scratching or abnormal wear. If these conditions are
present, the valve and the valve guide must be
replaced as a set.
Valve Seat
Valve seat width in cylinder head
Intake: 1.0 to 1.5 mm (0.039 to 0.0585 in)
Exhaust: 1.7 to 2.2 mm (0.0663 to 0.0858 in)
Valve Seat Insert Correction
Remove the carbon from the valve seat insert surface.
011RW013
6A–43
011RW020