ozzyiceman

During a recent 7000km round trip which took mileage up to 11,500 kms my S2000 cracked a piston resulting in damage to the block and I am now waiting on the verdict from Honda as to whether or not they will replace the entire engine or just the block.

Has anyone else experienced this problem or heard of such a thing ???

The problem has really shaken my faith in the product as the car has been treated with the utmost care since purchasing and has experienced major component failure, resulting in big time damage to the motor.

Not being a qualified mechanic can anyone tell me if there is a possibility that the head may have also been damaged and what could have caused the fault in the first place - other than a faulty casting.

I would have thought pistons in F20C would have been forged ??

Any info would be appreciated.

Cheers from Down Under...

cdelena

Which cylinder had the failure?

Tox

I'd bet that it was your #4 cylinder. I'd further bet that the piston cracked because it was slapping (i.e., the piston skirts were bent and it was wobbling in the bore), and the crack was incidental to the real problem of slapping.

We've had this kind of failure reported by something like 10 people on the board (not an exact count), and as I recall the cause was thought to be insufficient oil to the #4 cylinder. All that I've heard about were taken care of by replacing the short block. I'd suggest searching on "cylinder failure" or "#4 cylinder" to get details and pictures.

Anyway, this hasn't happened very often but it's devastating when it does. Good luck with the repairs.

ozzyiceman

They tell me it was number (3) piston, but your explanation sounds feasible.

Thanks

Barry in Wyoming

Yours is the first #3 cylinder failure we've heard about.

Here is a thread that summarizes this board's experience with short block replacements. I know of one addition short block replacement from a cylinder/piston failure. That one was last week from a Canadian board member.

https://www.s2ki.com/forums/showthread.php?...rt+block+thread

American Honda Motors does not supply replacement engines, only short blocks and heads. If a Yank needs a new engine, the dealer orders a short block and a head and builds a new engine. Australia probably has it better, as it does in most everything else.

I believe in Oz the first oil change is at 1,000 km. Up Over it is at 7,500 miles. I wondered if that might be why we have more #4 cylinder failures. Of course, that might have nothing to do with it since I believe the U.S.A. gets a bit more than 50% of the annual S2000 production.