Century V6-181 3.0L (1983)
5.
Apply steady pressure to cutting tool. Machine valve guide until small cutter block in tool has cut chamfer on top of valve guide.
6.
Thoroughly clean cylinder heads and guides, removing any cuttings and carbon build up.
7.
Remove any burrs from valve stems and guides with a fine stone or crocus cloth. At this point, valve guides should be check for concentricity;
valve guide opening centered in valve guide, and that there is sufficient stock left aroond the circumference of the valve guide to properly retain
valve seals.
8.
Remove excess carbon from valves, oil valves and insert them into valve guides.
9.
Install new seals on intake valves and over valve guides using a deep well socket to ensure seal is on squarely and firmly seated.
10.
Reassemble balance of cylinder head assembly - reinstall on engine.
WARRANTY INFORMATION
LABOR OPERATION - Use published labor operation to R&R cylinder head(s).
TIME ALLOWANCE - Use published time, plus add time of:
0.5 hr. for one cylinder head 0.9 hr. for both cylinder heads
TROUBLE CODE - 92
For your information, Service Part Number for the new cylinder head is 25516366.
*We believe this source, and their equipment to be reliable. There may be additional manufacturers of such equipment. General Motors does not
endorse, indicate any preference for, or assume any responsibility for the products or equipment from these firms or for any such items which may be
available from other sources.
