Service manual

181 CID (3.0L) 4 CYLINDER GM ENGINE SERVICE MANUAL NUMBER 26
Page 3A-26 90-861329--1 MARCH 1999
Cylinder Head and Valve Conditioning
Disassembly
1. Using valve spring compressor, compress valve spring (J-8062) and remove valve
locks. Slowly release tool.
2. Remove all valve components.
3. Remove valves from cylinder head and place in a rack, in order, for reassembly in their
original locations.
72333
a
a-Valve Spring Compressor (J-8062)
Cleaning
1. Clean push rods and rocker arm assemblies.
2. Clean carbon from valves using tool (J-80890).
3. Clean gasket material from cylinder head mating surfaces.
4. Clean all carbon from combustion chambers and valve ports using carbon remover
brush.
74274
a
a-Carbon Remover Brush (J-8089)
Index