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Old 09-16-2008, 04:09 AM   #1 (permalink)
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Default Engine Sounds Like a Sewing Machine Valves Adjusted Properly

Hi All, I was wondering if everyone's Insight sounds a bit like a sewing machine at idle? Sounds like valve train noise-similar to a car that is in need of a valve adjustment. Clacking-ticking sound

I had the valves adjusted by my local Honda Dealership before the scheduled mileage (79k) because they sounded noisy to me (at least compared to our '99 Civic). The Honda Tech stated that's how that motor sounds. I was wondering if others experience this as well? I don't know anyone else with an Insight to compare too. The car runs great, just seems a bit noisy compared to what I am used to.

Please let me know.

Thanks,
Mark
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Old 09-16-2008, 06:30 AM   #2 (permalink)
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Default Re: Engine Sounds Like a Sewing Machine Valves Adjusted Properly

Well,

It is an "issue" of degree. And you have stated the difficulty for getting any help in here (we can't hear the noise, nor would a .WAV help).

With a fully warmed up engine you _may_ be able to hear an injector "click" over a correctly adjusted tappet. "Cold" gasoline engines, particularly ones with reduced piston skirt lengths like the Insight (reduces friction), make all kinds of clacks that are perfectly normal.

HTH!
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Old 09-16-2008, 08:41 AM   #3 (permalink)
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Default Re: Engine Sounds Like a Sewing Machine Valves Adjusted Properly

Interesting that you should use the words "sewing machine". My friend, a professional mechanic for most of his life, made the same observation a few months back when I showed him my "new" Insight.


Yes, the sound your car is making is typical and normal for an Insight. The cam followers are mechanical, not hydraulic, and make a bit more noise than what some folks are used to, especially when the motor is cold. As things warm up they quiet down.
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Old 09-16-2008, 03:31 PM   #4 (permalink)
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Default Re: Engine Sounds Like a Sewing Machine Valves Adjusted Properly

Hi All, thanks for your replies! I figured (hoped) it was a normal condition of that particular motor. I also used to work as a mechanic-I am glad to hear that I am still up to date with my assessment lingo

When I first looked at the car to buy it, I had thought maybe there wasn't enough oil in the engine!

I didn't realize the Insight had short piston skirts. Good info to know.

What does "HTH" mean?

Thanks again for your input!

Mark
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Old 09-16-2008, 06:55 PM   #5 (permalink)
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Default Re: Engine Sounds Like a Sewing Machine Valves Adjusted Properly

Quote:
Originally Posted by Skuits
What does "HTH" mean?
Well, one member in the past thought I was using it as "Hail the Hybrid".

But it's generally understood to be Internet shorthand for "Hope this Helps".

Personally, I like the former a bit better.

HTH!
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Old 09-16-2008, 07:30 PM   #6 (permalink)
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Default Re: Engine Sounds Like a Sewing Machine Valves Adjusted Properly

I like both!



Mark
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Old 09-20-2008, 07:49 PM   #7 (permalink)
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Default Re: Engine Sounds Like a Sewing Machine Valves Adjusted Properly

Mine is doing the same noise and it have only 55k. I think it is the valve guides to loose.
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Old 09-20-2008, 09:17 PM   #8 (permalink)
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Default Re: Engine Sounds Like a Sewing Machine Valves Adjusted Properly

If the engine has more noise when cold that is OK.

If you have light "tapping" noises once the engine is fully _hot_ then a valve adjustment may be the cure. But listen carefully. Faint (very slight) clicking is probably the injectors. Perfectly normal. As are much heavier noises when the engine is first started after being off for several hours (technically a "cold" engine).

HTH!
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Old 08-25-2009, 08:28 PM   #9 (permalink)
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I fixed my problem replacing the timing chain tenssionner.
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Old 08-25-2009, 09:39 PM   #10 (permalink)
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Maybe, but time will tell.

I have seen 1 S2000 model that uses a similar type tensioner be "fixed". But it _was_ a band-aid. More likely such an eninge needs major surgery.

Reads to me to more likely be a well worn timing chain, gears and guides.

Don't ignore the noise when it recurrs. The time to failure after the band-aid falls off will be much shorter. And the consequences of a broken chain are always worse than a _relatively_ lower cost tensioner, chain, gears & guides replacement.

HTH!
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