454 CID (7.4L) / 502 CID (8.2L)
SERVICE MANUAL NUMBER 23
Page 3A-41
90-861326--1 MARCH 1999
Cylinder Head and Valve Conditioning
Disassembly
1. Using valve spring compressor, compress valve spring and remove valve locks. Slowly
release tool.
72565
a
a-Valve Spring Compressor (J-8062)
2. Remove all valve components.
3. Remove valves from cylinder head and place in a rack, in order, for reassembly in their
original locations.
Cleaning
1. Clean push rods and rocker arm assemblies.
2. Clean carbon from valves using a wire wheel.
3. Clean gasket material from cylinder head mating surfaces.
4. Clean all carbon from combustion chambers and valve ports using carbon remover
brush.
72567
a
a-Carbon Remover Brush (J-8089)
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