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      06-13-2018, 10:48 PM   #4
boostspoon
Second Lieutenant
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Drives: M2
Join Date: Apr 2018
Location: USA

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Quote:
Originally Posted by Drop the hammer View Post
So at my first autocross event on weekend, on 4th run I heard a very loud pop under the hood. Pulled off track and checked under hood. Belt fuzz everywhere. But about 20 percent of the belt was still intact and would work on the pully’s. so a partial blow? Anyways, some of the cords must have either hit something or wrapped on main pulley and took out crankcase seal on front of engine. As I now have an engine oil leak. I can’t see where it’s coming from but it’s hitting the main pulley and getting nicely distributed everywhere. It only leaks when running and is very minor at this point, but probably could get worse or if belt fragments get sucked into timing chain, which could alter timing or the fragments could block the oil pan suction intake, then the engine could grenade.
I have an appt at my local tuner shop next week for diagnosis. yes I’ll be putting it on a truck to get there as it’s not worth the risk of more damage.

28,000 kms on it. I won’t take it the dealer as there’s a bunch of mods on it, and I don’t really feel like pushing on warranty (in my world you have to pay to play, and I’m fine with that).
Anyone have any similar experience with this happening?
Belt fragments can’t get sucked into your timing chain unless it’s blasted through your timing belt cover...likelihood = 0.00% chance.

Fragments blocking the oil pan suction intake? Dont know what part you’re referring to, but if you’re asking if it would get picked up by your oil pump/related components, that’s also nearly a 0.00% chance.

The minor oil leak you have is most likely due to the belt pulling a small oil-related hose from where it was attached.

Should be a simple belt replacement and reattachment/replacement of a hose.
Appreciate 0