I was quoted $500 by Acura dealer to do a valve adjustment - 7 years or 105K miles, whichever comes first. Why is this necessary? Is this CYA by Acura, or will engine actually become damaged
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2002 Acura TL Question: valve adjustment really necessary?
Answer #1dandd January 08, 2010, 15:45Master
if you plan to keep the car, then by all means do the valve adjustment, but go to an independent Acura/Honda shop where it will as good a job if not better and somewhat cheaper. If you don't do the adjustment, eventually the valves wear down in the seat, especially the exhaust valves, and they will burn on the edges and you will have a bad running engine and you will have to rebuild the cylinder heads. it used to be that Honda/Acura valves were adjusted every 15k , so this 105k interval is progress