S2000 Under The Hood S2000 Technical and Mechanical discussions.

New engine failure

 
Old 09-05-2017, 12:31 PM
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Hi,

Any update on this? Did you get any traction with a warranty claim against Honda?

Would be interested to hear what caused your problem.
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Old 09-14-2017, 11:09 AM
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Originally Posted by ValveBounce View Post
Hi,

Any update on this? Did you get any traction with a warranty claim against Honda?

Would be interested to hear what caused your problem.
It took a while.....but honda dealership now allowed my mechanic to dissasemble the engine. So far the engine is all good except main bearings are shot :/ its like a horror movie in the oil pan . He didnt found the cause yet.
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Old 09-14-2017, 03:27 PM
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Check to see if the thrust washers are installed properly (i.e. the proper direction)
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Old 09-18-2017, 09:48 AM
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Old 09-18-2017, 10:01 AM
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All main bearings are very bad, rods are fine (they started to wear but after the mains....the mains are gone), oil pump ok, nothing wass dropped, every hole....crack was checked and blown with compressed air to check if something was clogging it. Oil was on max, cylinder walls are ok (if i ran engine longer the walls would probably be scored too..), all bearings are the right size (color), thrust bearings were installed correctly............
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Old 09-18-2017, 10:32 AM
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The oil was okay? Seems like a lot of contaminate wear. Or no assembly lube was used on the main bearings.
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Old 09-18-2017, 11:35 AM
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where are you buying your oil?

this is quite the mystery.

my next guess is the oil...are you getting counterfeit oil maybe?
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Old 09-18-2017, 11:38 AM
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i'm assuming your oil pressure light is not coming on at all?

how are you determining that the oil pump is working correctly, and/or the oil pressure sensor?
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Old 09-18-2017, 11:38 AM
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Originally Posted by jyeung528 View Post
where are you buying your oil?

this is quite the mystery.

my next guess is the oil...are you getting counterfeit oil maybe?
Oil was on max level (Motul 5w40)
its weird that the burn marks on the crankshaft are all on the same side of the crank, its like it was bent just a little :/
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Old 09-18-2017, 11:41 AM
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Originally Posted by jyeung528 View Post
i'm assuming your oil pressure light is not coming on at all?

how are you determining that the oil pump is working correctly, and/or the oil pressure sensor?
mechanic tested everything......i think if the oil pump was faulty, the rods would go out first if im not mistaking. Oil pressure light came on when i turn the key and start the car, but it immediately goes off when the car starts....the pump looks fine (everything is new )
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