junichi Posted July 4, 2009 Share Posted July 4, 2009 hey guys, Here is my situation, when I start to merege onto the hwy, at 3rd gear goin up to around 6k then shift to 4th gear. While I at 3rd at around 5-6k rev, there are some metal to metal vibration noise and as I shift in to 4th, the noise continue, then the noise stop when i shift into 5th at. Did anyone of you had similiar problem or noise???? Thx, Junichi Link to comment Share on other sites More sharing options...
junichi Posted July 4, 2009 Author Share Posted July 4, 2009 no one? Link to comment Share on other sites More sharing options...
Pawlwawl06 Posted July 5, 2009 Share Posted July 5, 2009 Hmm I had a similar problem and it turned out to be the heat shielding surrounding the exhaust. Is it only in the 3k RPM range? Is it in every gear? Link to comment Share on other sites More sharing options...
GearOnePerformance Posted July 5, 2009 Share Posted July 5, 2009 heat shields most likely. see that alot at my dealership. Link to comment Share on other sites More sharing options...
junichi Posted July 7, 2009 Author Share Posted July 7, 2009 Hmm I had a similar problem and it turned out to be the heat shielding surrounding the exhaust. Is it only in the 3k RPM range? Is it in every gear? The metal vibration sound kicks in at around 3.5k-6k rev....I am not sure if this happens to every gear. But usually I get that from 3rd to 4th gear...... Link to comment Share on other sites More sharing options...
junichi Posted July 7, 2009 Author Share Posted July 7, 2009 if it is heat shields, is there anything i can do to fix it? I hate sound like that coming from the engine bay Link to comment Share on other sites More sharing options...
ShrinerMonkey Posted July 7, 2009 Share Posted July 7, 2009 Crawl under the car and pound on the exhaust with your hand until you locate the rattling heat shield. You can then often fix it with some pipe clamps wrapped around the shield to tighten the pieces together. That is what I did once on my old Ford Explorer. Link to comment Share on other sites More sharing options...
GEE-OTTO Posted July 9, 2009 Share Posted July 9, 2009 if it is heat shields, is there anything i can do to fix it? I hate sound like that coming from the engine bay clamp it !!!! or tighten Link to comment Share on other sites More sharing options...
OhBe1 Posted July 12, 2009 Share Posted July 12, 2009 Or rip it off entirely, which is what our dealer did on our '98. 06LOB2.5i MT, JDMRSB, GYTTs, HPS, LGT Mufflers & Leather Wheel, SubiMomo Knob, Inalfa Moonroof, Clutch Switch Bypass, DeDRLd, DeChimed, & Straight Headrest. Link to comment Share on other sites More sharing options...
tito_b0y Posted June 26, 2011 Share Posted June 26, 2011 Bump! Just found out that it was my heat shield making that awful rattling noise during cold start ups (I honestly thought that was normal for these cars). If I remove it completely, would there be any adverse effects to it? 2006 SWP 3.0R 5EAT VDC BBQ 2008 OBP 2.5i 4EAT BBQ [RIP] Link to comment Share on other sites More sharing options...
thestratomaster Posted June 26, 2011 Share Posted June 26, 2011 yeah my heat shield by the drive shaft is loose. it's quite annoying. need to fix it haha Link to comment Share on other sites More sharing options...
tito_b0y Posted June 26, 2011 Share Posted June 26, 2011 After a couple hours researching, it seems people either clamp it, remove it completely or remove it and wrap with thermal wrap. Clamping is cheap, but not permanent and may have to be redone ~1/year. Removing it may cause premature wear on the cats, which I don't want. Removing and then wrapping seems like a good idea, but can't find many people doing it on our stock headers. Another option Adam over at AZP suggested was to go with aftermarket headers. But it seems there are none for the 2006+ Legacy 2.5i's? I haven't really looked into it, since I'm really not looking for any performance/sound gains, but if it's a better fix than removing the heat shields and wrapping, I'd consider it. Thoughts? 2006 SWP 3.0R 5EAT VDC BBQ 2008 OBP 2.5i 4EAT BBQ [RIP] Link to comment Share on other sites More sharing options...
GEE-OTTO Posted June 27, 2011 Share Posted June 27, 2011 Stock LGT manifolds head shields don't rattle Link to comment Share on other sites More sharing options...
tito_b0y Posted June 27, 2011 Share Posted June 27, 2011 Really? Would they fit our N/A's? I was under the impression our headers/manifolds are different. 2006 SWP 3.0R 5EAT VDC BBQ 2008 OBP 2.5i 4EAT BBQ [RIP] Link to comment Share on other sites More sharing options...
GEE-OTTO Posted June 27, 2011 Share Posted June 27, 2011 It is similar to one dozen vs 12. In any event the heat shielding can be removed and the stock 2.5i manifold wrapped with thermal wrap to protect it from the elements and the engine bay from high temps. They don't make headers for the 2.5i in any iteration (EL or UEL). Link to comment Share on other sites More sharing options...
xero287 Posted June 27, 2011 Share Posted June 27, 2011 LIES. mine just started to rattle =/ Link to comment Share on other sites More sharing options...
MRLancaster Posted July 11, 2011 Share Posted July 11, 2011 The 3rd gens rattle too. Usually around 2-3k. Ive been really lazy and havent felt like taking the sheilds off, but damn do I hate that rattle. Link to comment Share on other sites More sharing options...
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