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11-19-2005, 02:36 PM | #1 |
Techno Sapien
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Rough idle on 04 Turbo motors (2.5L) TSB
Mostly just an FYI thought this might interest some:
http://www.scoobymods.com/forums/sho...0301#post20301 Last edited by Peaty; 11-19-2005 at 02:42 PM. |
11-19-2005, 02:58 PM | #2 |
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Interesting. I always thought my Fxt had a little bit of a rough idle. Even at 40k miles. I'll have to look into this.
Thanks again Peaty |
11-20-2005, 07:43 PM | #3 |
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Thanks for the heads up man!
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11-26-2005, 06:41 AM | #4 |
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So did it improve the rough idle? Thanks for posting this!
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11-26-2005, 10:36 AM | #5 |
Techno Sapien
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you need to click the link to see the pics
http://peatpics.com/gallery2/main.ph...serialNumber=2 http://peatpics.com/gallery2/main.ph...serialNumber=2 http://peatpics.com/gallery2/main.ph...serialNumber=2 Last edited by Peaty; 09-24-2007 at 12:16 AM. Reason: updated links |
12-23-2005, 09:48 AM | #6 |
Techno Sapien
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FYI - Update, it seems one unlucky person had the screen get into the valving system:
edit: link no longer works due to site change sorry. upshot of link story was, the screen got into the sytem and messed up the VVT internals. It took the service department a while to track down and find the issue. The car just stopped running and died on the side of the road after a huge shudder. In the end it cost almost $2K to fix. Last edited by Peaty; 03-28-2006 at 10:19 AM. |
12-23-2005, 05:46 PM | #7 |
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I removed these screens from my STi as it was part of the TSB, mine were undamaged but dislodged from the bolt as everyone else's, left em out... i figure if newer sti's don't have these, mine doesn't need them either
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12-24-2005, 06:09 PM | #8 | |
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so 05s dont have it? |
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12-24-2005, 06:26 PM | #9 | |
Techno Sapien
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05-31-2006, 12:53 AM | #10 | |
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My vin is 5*51585* - which comes numerically after 5*502352. Thoughts? Last edited by STI05; 05-31-2006 at 12:59 AM. |
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12-24-2005, 08:18 PM | #11 | |
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12-23-2005, 09:52 PM | #12 |
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Great post, I have occasional rough idle in my STi but figured with all my mods it could be anything. Time to get rid of those filters!
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05-28-2006, 03:48 PM | #13 | |
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Quote:
Occasional rough idle and off idle hesitation. Not really bad enough to do anything about. So I tried the TSB- now it's gone. My passenger side screen looked great, but was out of the bolt. My driver side screen was torn, but did not look like anything had broken off. Everybody should do this. BTW: If you have a large torqe wrench (25-225 lbs), then be really careful. I did not notice the click at 25lbs initially and was probably around 40-50 pounds before I figured this just aint right. I stopped before I snapped anything. THe 25lb click is really light and almost not noticeable. |
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12-23-2005, 09:56 PM | #14 |
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now we can't have a malfunctioning VTEC!@# can we? This could make SRT-4s undoubtably the fastarrr...
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12-24-2005, 03:42 PM | #15 |
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Yeesh
I had this fix way down on my to do list....with my stage IV project. Looks like it just got bumped to da front of the line. Thanks for the contribution sir Peaty. We need to use our voice hear to get Subaru to own up to the flaw and fix this for anyone who ask. And not have dealerships say they ain't touchin it because they have not heard about it. I can see some 257 owners falling right and left when these screens start to come apart at about 60+ K miles. Well after any warranty help. That will lead to some seriously smelly Subaru press. Subaru does'nt need that and neither do We. |
12-24-2005, 03:57 PM | #16 |
Techno Sapien
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One thing I want to mention, a few people have looked but didn't find the filter at first because it was down inside the banjo bolt and it's not apparent that you are looking at the back of the filter. I've added a little info to the TSB page but I want to say get some good light and look closely to be sure you don't miss it.
Filter down in the banjo bolt: Why I think they are getting forced out, the oil pressure pushed it down: There is a filter in the line on the other side of the oil feed pipe but that one is being forced into the bolt: |
12-24-2005, 03:50 PM | #17 |
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so could this cause something like low or high oil pressure? it may make start looking at my oil pressure gauge.
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12-24-2005, 05:07 PM | #18 |
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do you think this screen exists in JDM 2.0 motors with AVCS such as my Ver 8?
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12-24-2005, 06:27 PM | #19 | |
Techno Sapien
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Quote:
I'm not sure but it's simple enough to check. |
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12-24-2005, 06:58 PM | #20 | |
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12-25-2005, 03:44 PM | #21 |
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I took these out this morning (before kids woke up - can you believe it?). The one on the passenger side required a creative rench angle, and took like 10 min to loosen a bolt. The one on the driver's side was totally dropped. The way it looks, when it is dropped, it'd block the oil path by 1/2 ~ 2/3! Depending on which direction the oil runs, it was kind of scary. I can't say the effect for sure, but the idling is very smooth now. I have had multiple occasions of mysterious sudden stalling in the summer. I can hope (can't I?) this resolves this issue Subaru tech couldn't figure out.
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12-26-2005, 12:36 PM | #22 | |
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Quote:
I'll take the screens out and see if it helps with the lifter noise. Anyone care to comment about a correlation between engines burning oil and engines that had screen problems? |
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12-27-2005, 07:25 PM | #23 |
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Did mine real quick this afternoon. Pass side was halfway dropped....and the Drivers side had completly dropped...and it was a pain in the tush to get out. Neither had come apart.....thankfully.
My engine totally feels like it's running smoother. I was not having idle issues per se.......but I did feel like it was not running though the RPM's smooth at all. It feels smoother now for sure. Glad Peaty posted this before I hit the Dyno |
12-28-2005, 03:19 PM | #24 |
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Don't want to repost, but I ditto for me. Both were dropped, and the FXT now idles way smoother.
#555 post (about time)/ |
12-28-2005, 08:10 PM | #25 |
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I just checked mine in my JDM Ver 8 motor and the filters were in place. I left it as is. No sense in messing with it...i will recheck in a few thousand miles.
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