Intermittent Valve Noise

General discussion about our beloved Tercel 4WD cars
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Devin
Advanced Member
Posts: 90
Joined: Sun Oct 03, 2010 4:08 pm
My tercel:: 1985 SR5
Location: Wheat Ridge, CO

Intermittent Valve Noise

Post by Devin »

I adjusted my valves about 8 thousand miles ago and I am already getting some intermittent valve noise. It's usually after a long trip after the engine cooled down. I am not too concerned. I was just wondering what would make it happen sometimes and not others. Could it be a discrepancy of warm valves and cold oil?
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Petros
Highest Ranking Member
Posts: 11930
Joined: Sun Jan 28, 2007 6:31 pm
My tercel:: '84 Tercel4wd w/extensive mods
Location: Arlington WA USA

Re: Intermittent Valve Noise

Post by Petros »

I have noticed the same thing sometimes. it will not harm anything to have the valves out of adjustment as long as they are not too tight. noise may have something to do with oil viscosity and temperature.

I solved the problem btw, by only adjusting the valves when the engine is warm. So I only let it cool enough so I can handle the parts with gloves on. And adjust them as fast as possible to the correct "warm" setting. than no more valve chatter.
'87 Tercel 4wd SR5 (current engine swap project)
'84 Tercel 4wd (daily driver, with on going mods)
'92 Mazda MPV 4wd (wife's daily driver)
'85 Tercel 4wd DLX auto(daughter's daily driver)
'01 Honda Civic (other daughter's daily driver)
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