Century V6-173 2.8L (1986)
DO NOT USE EXCESS FORCE TO REMOVE VALVES OR BUSHINGS
9.
Place the valve train on a clean surface in the exact sequence as it was removed from the valve body. Follow the procedures in Steps #7, #8 and #9
to remove all valves and bushing from the valve body. (Layout of the valves, springs, and bushings on a clean, lint free towel will help to keep
parts organized.)
10.
Remove pressure switches, pipe plugs and TCC solenoid, if applicable.
11.
Clean one valve train at a time by washing the valves, springs and bushings in clean solvent and drying with compressed air.
12.
Clean the valve body casting with clean solvent and dry with compressed air.
1.
Inspect the valve body casting for:
^
Cracks.
^
Porosity.
^
Damaged machined surfaces.
^
Nicks or burrs in valve bores.
^
Flatness of valve body to case mating surface (Using a straight edge or by inspecting the gaskets for uniform compression).
2.
Inspect valves for:
^
Burrs.
^
Nicks.
^
Scratches.
^
Scoring.
3.
Inspect valve bushings for:
^
Porosity.
^
Burrs.
^
Nicks.
^
Scratches.
^
Scoring.
4.
Inspect springs for:
^
Damaged or distorted coils.
STUCK VALVE SERVICING
If, during disassembly of the control valve assembly, a valve is found to be sticking in a bushing or bore, use the following procedure to service the valve
and bushing or bore: