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Discussion Starter #1
I have a 2001 model with 91,000 miles. Just recently I noticed a ticking noise coming from the engine when it is cold. The noise is more pronouced during accelaraton compared to idling or coasting. When the engine warms up the ticking noise goes away. Oil level -OK. Could this be the beginning of an engine failure. All service was done on schedule.
 

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2001 5S "Turbo"
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Time to check the valves adjustment.
 

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Valve adjustment is the way to go.

I was getting valve clicking at 30,000 miles. After the 30,000 major tune-up the engine was back to being quite again.

:)
 

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Discussion Starter #6
Engine Ticking Noise

I do hope that is the answer. My concern was that if it was a valve adjustment problem then the ticking noise should occur when idling or coasting rather than only occuring while under load such as acceleration. Will let you after I take it in for service

In regard to my battery, it appears to be still fucntioning just fine. I do a lot of highway miles which probably doesn't drain the battery capacity as rapily as one who does lots of city stop and go.
 

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Discussion Starter #7
Bad News! I have a engine problem. The service manager stated that I most likely a problem with a rod/ bearing. This has happened although I have done every required service on time for 90,000 miles.
He said I could contact Honda and see if they will help out with the repair. He went on to say the cost for a short block would run me about $4800. He said that he had not seen any other insight with this problem.

Has anyone had to ask Honda for any post warrenty help in making engine repairs?

:(
 

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Suggest you get another opinion on the malfunction. A bad rod bearing would give an entirely different sound. It would be very audible when the engine is under a severe load. (low rpm and high throttle opening)
In Calif. a "short block" costs $1400.00 and a "long block" costs $3300.00
Labor charge to remove and replace the engine should be about 8 hours plus the labor charge (unknown) to rebuild the engine.
What kind of driving style do you use? 90,000 miles at ? miles per gallon? The Insight has a very small "squish band" in the combustion area. Is it possible you may have a "carbon build up" in that area?
(Just suggestions)
 

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Bad News! I have a engine problem. The service manager stated that I most likely a problem with a rod/ bearing.

<snip>

:(
I'd get another opinion before repair. Your symptoms don't clearly match a bearing problem.

Typically a bearing knock will not fade completely out after warm up. What more closely matches your described symptoms is piston percussion. This is even more pronounced with pistons that have a reduced skirt like the Insight. Until the Pistons are fully warm they can "rattle" in the bores. And with increased engine wear this noise becomes more pronounced, but always fades after warm up. My old Honda CRX HF rattled like this for over 250K miles reliably.

_IF_ it is a major internal failure like a bearing, an oil change using a paint strainer funnel to catch the drained oil will show the white metallic flakes of a bearing self destructing. Finer particles of metal will look like a misty sparkle in the drained oil when it is lightly stirred.

As Willie stated, carbon build up on the piston crowns can cause the piston to slap the head until the carbon is crushed into a powder. Frequent short trips of less than 5 miles and or low detergent gas will contribute to such a problem.

HTH and keep us posted! :)

John K. Bullock
aka. Insightful Trekker
 

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Discussion Starter #10
Thanks guys for those suggestions. I will indeed get other opinions before proceeding as suggested by my dealers service manager.

I have exactly 91,400 miles on my car todate. My lifetime MPG is 60.3. I drive about 125 miles per day between Baltimore and
Washington DC. My commute time is about 3 hours per day with at least 1 hour of this driving in severve gridlock.

Do you think adding some of that Chevron fuel system cleaner might help out if the problem is a result of carbon build up?

Thanks again
 

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I also live in Baltimore and am new to the area. What dealership has given you this diagnosis? My car sort of ticks when cold and I can only hear it when driving slow and I was thinking of having someone check it.
 

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<snip>

Do you think adding some of that Chevron fuel system cleaner might help out if the problem is a result of carbon build up?

Thanks again
From the description of your commute, probably not. Although it is possible you got some "bad" gas that could have caused a carbon build up problem. Still IMO extremely unlikely. And if the gas was that bad you should have also experienced a very poor performing tank of gas as indicated on your MPG readout.

To specifically answer your question it would do the trick _if_ carbon on the pistons is the cause. And it won't hurt if not. It's just that I think the carbon issue is an almost zero probability in your case.

John K. Bullock
aka. Insightful Trekker
 

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I have still not brought my car in to investigate the cold engine ticking sound but was told by Odonnel Honda that it could be that the pistons may be slightly different shape due to the cold and once warm will expand to fit perfectly and thus eliminate the ticking sound. They didn't seem to think it was a big deal and didn't suggest a remedy, besides checking to see if it did need a valve adjustment. I'm not an engineer and thought their explanation sounded plausible, but would like to know why such a phenomena would develop. Perhaps my pistons where warped by the time that a different shop messed up a coolant change and my car red lined for a few miles before I could fix the problem. Anybody have any thoughts?
 
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