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Old 11-09-2006, 04:14 AM   #1
Obsidian
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Thumbs down '04 STi goes boom

Fun week. Was omw home last week getting off highway, downshifted form 6th to 5th. Thought something seemed a bit odd, downshifted again (no, not overreving the motor just normal downshifting.) Something defiantely didn't feel right. By time got to top of exit motor died. Wouldn't start, called tow truck. Checked it out next day and defiantely internal damage. Seemed to be blown rod. Took it to Subaru other day and turns out I was wrong. Not 1 blown rod, but rather TWO blown rods at same time. Car was stock, just turbo back w/ cat and was not having overboost issues. In fact when it went had just been cruising on the highway. Motor only had 46,000mi on it too. Subaru is denying powertrain warrenty claiming the age old 'abuse' because 2 rods failed at once. Fun stuff...
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Old 11-09-2006, 04:44 AM   #2
THE-95-STi
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sayyy whhhaa well maybe they should build a stronger motor
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Old 11-09-2006, 08:23 AM   #3
pux888
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This is the very first time that I have heard about an STi rod failing, let alone 2 at the same time! I hope that you get it taken care of without issue.
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Old 11-09-2006, 09:35 AM   #4
DangBruhY
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Man... That sucks! Are you going to try and fight it? They are ALWAYS trying to get out of stuff like that. Why do they even have a warrenty program?
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Old 11-09-2006, 09:47 AM   #5
8Complex

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There really isn't any fighting it... the powertrain was modded in a way that could have definitely effected the motor. He'd lose that case faster then it would take to write up the paperwork.

It really doesn't take a lot of boost creep to run lean, which would cause detonation, which would cause rod bearing failures. :-/
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Old 11-09-2006, 10:00 AM   #6
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http://forums.nasioc.com/forums/showthread.php?t=863233

Quote:
I'd love to make it but not sure if I can. This month is pretty tight already dropped ~5k in home repairs, and my tires wouldn't survive another track day. If only the turbo was back from Deadbolt for the Miata... Can I bring my Ducati?!
Definately more to the story
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Old 11-09-2006, 10:02 AM   #7
sweendiggs
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They may have gounds to deny it, but the part shouldn't have failed. I hate hearing things like this, I'm really sorry man. I had two rod bearings fail at once as well, and I did the same as you; downshifting getting off the highway (no overrevving). I understand why Subaru has adopted their policy, but sometimes parts just fail due to manufacturing defects. This seems like one of those cases.

Luckily my dealership got it covered for me, but my car only had an SPT catback. Maybe you can find another dealership you trust and explain the situation to them? If they write it properly, maybe they can get half the cost goodwilled or something.
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Old 11-09-2006, 10:36 AM   #8
Dr_Holmes
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Did you take off your mods before going into the dealer? That would give you a chance.
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Old 11-09-2006, 11:28 AM   #9
woody06967
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I have to tell you, I can see why SoA is skeptical since I am too.
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Old 11-09-2006, 11:46 AM   #10
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If he took it to the dealership then its not soa that would be skeptical it would be the dealership service dept. soa does not own any dealerships. dont get that confused.

and the funny thing is that in haste to "put back to stock", techs can tell what bolts have been touched. most of the time people are in such a rush that they forget to do everything correctly.
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Old 11-09-2006, 11:49 AM   #11
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Yes, I did take the exhaust off the car. However, my car was one of the 2nd allotment of STi's and I defaintely did have the knocking issue esp during summer months. I made a number of inquiried about getting it fixed but I only ever got the run around and saying I'd be without my car for about 2 weeks. It was only ever audible full boost, on hot days. FWIW In the end I just sold the 04 STI and wound up getting a newer 06 black one to replace it with. THat wound up being my solution since my sti was always more of a daily driver than a track car for me. That's what the Miata & Ducati are for.
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Old 11-09-2006, 11:51 AM   #12
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Quote:
Originally Posted by racingfish View Post
and the funny thing is that in haste to "put back to stock", techs can tell what bolts have been touched. most of the time people are in such a rush that they forget to do everything correctly.
You'd be surprised how many dealership service departments fall into this as well. I've seen some very shotty work come directly from dealerships...
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Old 11-09-2006, 12:34 PM   #13
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thank god where human huh... well glad to see you got an 06'.
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Old 11-09-2006, 12:57 PM   #14
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You took the exhaust off trying to get warranty coverage? That is where you went wrong. Honesty FTW.

How do you like the '06 compared with the '04?
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Old 11-09-2006, 01:10 PM   #15
conker69
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Quote:
Originally Posted by DangBruhY View Post
Man... That sucks! Are you going to try and fight it? They are ALWAYS trying to get out of stuff like that. Why do they even have a warrenty program?
LOL...he had a TBE without tuning...can we say damage city!!! Subaru shouldn't cover anything that is caused by improper modding.
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Old 11-09-2006, 01:33 PM   #16
fasterthanrayswrx
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so when did you get the 06's and when did the 04 die? Seems pretty quick.
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Old 11-09-2006, 02:13 PM   #17
woody06967
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Quote:
Originally Posted by racingfish View Post
If he took it to the dealership then its not soa that would be skeptical it would be the dealership service dept. soa does not own any dealerships. dont get that confused.
Uh, OK. Last I checked, SoA denied warranty claims not individual dealerships.
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Old 11-09-2006, 02:23 PM   #18
RexyGirl
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Quote:
Originally Posted by woody06967 View Post
Uh, OK. Last I checked, SoA denied warranty claims not individual dealerships.
The dealership can deny it, but the final say comes from SOA
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Old 11-09-2006, 02:23 PM   #19
Mavrik
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Quote:
Originally Posted by woody06967 View Post
Uh, OK. Last I checked, SoA denied warranty claims not individual dealerships.
exactly. Dealerships have the experience and know what SoA is likely to cover and what they will not. The dealership knows SoA will very likely not cover this repair because of the facts and evidence... modification... They are not going to replace your short block and then get it denied and eat that repair lol
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Old 11-09-2006, 02:41 PM   #20
culturedetox
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was the turbo back exhaust without an EM....
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Old 11-09-2006, 02:45 PM   #21
powerlabs
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Very sorry to hear about this man. I've popped 3 motors on my car. Each time they break its something new.
1- Stock 2.5RS 80K Miles; Ran the car at 135 MPH for a couple mins, spun rod bearing, trashed.
2- JDM WRX V5 Type RA: Overboosted, blew head gasket, trashed.
3- JDM STI V8: Melted a piston 3 days after being tuned!

Notice how every time I get something better/newer/stronger. Now I am running the V8 block with moly coated stainless steel race bearings and Wiseco forged pistons, and I had a new oil pump shimmed to bump up the oil pressure. My reasoning is if it broke before it wasn't strong enough and will break again. That's my advice for you if you end up having to pay for this yourself. Buy a used block for $700, throw in a set of race bearings and forged pistons, and you should be good to go.
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Old 11-10-2006, 06:05 AM   #22
Obsidian
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Took exhaust off since sold the car. With Subaru's reputation for denying claims just gave it to dealership and let them futz with it. It's not worth my time for a daily driver. Made deal, told them situation, got a fair price, and that's that. When I made initial post had already sold it and gotten new one.

Talked to them later after they got the car and they said that yes SoA was denying it under warrenty and dealership was fixing it. Spoke with tech that was working on it and he was saying it seems as if oil pump failed causing the failure, yet still SoA is still denying it.

As for the comment about track day and there being more to the story there really isn't. The STi was my daily driver and was for the most part stock. The car had seen 2 track days; the last of which was almost a year ago. As for anything else the car was well driven, but certainly not abused. More importantly it was well taken care of and maintained.

Yes, running excessively lean can certainly lead to detonation that can place undue stressors upon the rods and other internals. However, I can assure you that even with the exhaust boost was within normal parameters and AFR was also well within spec (as measured with wideband.) The car may have been a daily driver and mostly stock, but that doesn't mean certain guages aren't needed for safety.
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