S2000 Under The Hood S2000 Technical and Mechanical discussions.

When to do valve adjustments?

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Old Nov 8, 2010 | 07:48 AM
  #21  
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I had the valves adjusted when I first bought the car (at 110k mi), and it felt like an entirely different car; the engine just purred.

I know that Honda recommends 100k between valve adjustments, but I've heard that they'll also sometimes say every 15k mi 'for maximum performance.' Which is sort of like suggesting that you replace your tires every time you come home from work 'for maximum performance.'
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Old Nov 8, 2010 | 07:56 AM
  #22  
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Originally Posted by suzuka-blue-s2k,Oct 23 2010, 08:53 AM
This is just me, but I don't let anyone work or do anything on my car unless completely necessary (i.e. an alignment).

I know some people that have taken theirs to the dealership, spent $100 or so on the adjustment and they didnt even do them right. The people ended up doing it themselves and wasted their money. I would try to give it a shot by yourself man. If you feel like you can't do it, or cant do it right, go ahead and take it to the dealer.
This happened to me. On my Acura. Now I try to do all my own work.
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Old Nov 8, 2010 | 07:59 AM
  #23  
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Originally Posted by silence808,Nov 8 2010, 09:48 AM
I had the valves adjusted when I first bought the car (at 110k mi), and it felt like an entirely different car; the engine just purred.

I know that Honda recommends 100k between valve adjustments, but I've heard that they'll also sometimes say every 15k mi 'for maximum performance.' Which is sort of like suggesting that you replace your tires every time you come home from work 'for maximum performance.'
Honda says 'when needed' or '100k' so if they come out of spec you are to re-do them.
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Old Nov 8, 2010 | 08:19 AM
  #24  
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Originally Posted by 05APdeuce,Oct 22 2010, 10:18 PM
Yeah, especially if you hit rev limiter or redline the car a lot.
I completely disagree with this.


the design of our lifters/followers is different than most. the factory manual calls out a mileage or if they get "noisy"

no noise, dont screw with them.


as for "redlining your car a lot" that makes no difference. adjust as needed. its a simple job but it is one that takes a bit of learning and developing that "feel" for valve clearances and "drag" on the feeler gauge.

if you have never done one, personally on this car, id take it somewhere to have it done.


the misfire codes that you get after a valve lash adjustment are normally from them being poorly adjusted. i forget if its too tight or too lose that produces a misfire code but the point is, they get adjusted wrong all the time.
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