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06-17-2009, 02:56 PM
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#1 (permalink) |
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Registered User
Join Date: Mar 2008
Location: Summerfield, NC
Posts: 573
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Squeaking Noise from thing near airbox
After running my car pretty hard this weekend the throttle body started making a squeaking / squealing noise at lower RPMs. Anyone know what this is or why it would squeak?
It is the metal box right after the piping from the airbox. 
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06 Exige CO BWRized 05 Civic "Special Edition" 05 Elise CO, Trim shop interior and other things...SOLD Last edited by ACE51 : 06-23-2009 at 10:01 PM. |
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06-17-2009, 03:09 PM
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#2 (permalink) |
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It's a Lotus
Join Date: Oct 2005
Location: Beverly Hills, Ca.
Posts: 16,986
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Everything squeaks.
Then the squeaks mysteriously go away. And more squeaks appear.  Show your Lotus mechanic next time you're there. 
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2005 Saffron Yellow Elise. Stage II Exhaust. 2007 ProBax seats. "We know they're magical and worth every minute we spend on them. The whole Lotus owners' world is like a secret handshake among people who understand that." (R&T) |
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06-17-2009, 04:46 PM
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#5 (permalink) |
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Unattractive Nuisance
Join Date: May 2005
Location: Chester, NJ
Posts: 4,509
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You, sir, have a mouse. eek!
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05 elise (PES chip, SSRs, shift tower mods, Multivex; HID low beams); 05 Corolla XRS; 72 Elan Sprint, 170 hp (Sold) "Political language is designed to make lies sound truthful and murder respectable." G. Orwell. 6. "A bore is a man who deprives you of solitude without providing you with company." - Gian Vincenzo Gravina |
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06-18-2009, 05:09 AM
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#6 (permalink) |
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User, Registered
Join Date: Sep 2005
Location: Leesburg, VA
Posts: 1,826
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If you mean the metal piece in the center of your picture, that's the throttle body. No idea why it's squeaking, unless the DBW stuff is making noises. I haven't noticed mine squeak, but then I never listened for it either.
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Francis 2006 Chrome Orange Elise: LSD/TC, Nitron SAs with 425/650 springs, BWR 7/8" Front Bar, Eliseparts bumpsteer kit, VF Stage 2, 2bular Header + Sport Cat + 8x24 GT3 Muffler, ECU Tune by Jermaine, Smaay's fuel rail, ACT XT clutch, Saikou Michi dual catch can, Moroso pan, Manly's mount inserts & FF Engine Damper 2000 Black Integra Type R: - 213,000 miles & needs rebuilding... |
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06-18-2009, 06:27 AM
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#8 (permalink) | |
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User, Registered
Join Date: Sep 2005
Location: Leesburg, VA
Posts: 1,826
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Quote:
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Francis 2006 Chrome Orange Elise: LSD/TC, Nitron SAs with 425/650 springs, BWR 7/8" Front Bar, Eliseparts bumpsteer kit, VF Stage 2, 2bular Header + Sport Cat + 8x24 GT3 Muffler, ECU Tune by Jermaine, Smaay's fuel rail, ACT XT clutch, Saikou Michi dual catch can, Moroso pan, Manly's mount inserts & FF Engine Damper 2000 Black Integra Type R: - 213,000 miles & needs rebuilding... |
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06-18-2009, 06:50 AM
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#9 (permalink) |
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McLareghini Bugatterrari
Join Date: May 2006
Location: Texas
Posts: 6,841
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Well sure there's a way. You just have to run some wires and rig yourself up a TPS wherever you would like to actuate the throttle.
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2006 McLareghini Bugatterrari, Storm Titanium... <mods> installed: air horn, Scroth 4-point ASM harnesses, Sector111 halon extinguisher and mounting bracket, Von Hep exhaust and rear panel delete, Pagid brake pads, red Volks CE28n wheels, Toyo RA-1 tires, Nitron SA coilovers, Sector111 (WorksBell) quick-disconnect steering wheel kit. awaiting installation: Scroth "pull-up" lap belts, Sector111 RTD Brace, Tony's heater bypass mod, and dropped steering rack mounting plates. </mods> |
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06-18-2009, 03:35 PM
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#10 (permalink) |
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Registered User
Join Date: Mar 2007
Location: Northern NJ
Posts: 1,310
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Ah, the beauty of an 05. All you do is have to pull the cable right on the throttle body.
Did you remove your snorkel? I notice after I did, on colder days and when I first start the car, it seems squeaky sometimes. Never really bothered into looking to see where it comes from as it usually goes away in several minutes.
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225 TTQC & 05 Elise |
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06-18-2009, 03:49 PM
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#11 (permalink) |
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Registered User
Join Date: Jun 2008
Location: Denver, CO
Posts: 380
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Vacuum leak? Does the noise change with rpm/load? Tone goes up with rpm?
Has the idle rpm also gone up?
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"They swap ends at remarkable speed" - David Hobbs Japanese Grand Prix Practice 2009 |
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06-18-2009, 09:27 PM
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#12 (permalink) |
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Registered User
Join Date: Mar 2008
Location: Summerfield, NC
Posts: 573
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It starts at about 2900 rpm, the pitch goes up a little but above 4k rpm the exhaust is so loud you can't really hear it. It doesn't sound like the pitch gets higher and higher, it is more constant I would say.
I'm thinking about taking the belt off and starting the car to see if it has something to do with the idler pulley or broken alternator bracket (suggested by another member). I'll try to get video if I can't figure it out tomorrow.
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06 Exige CO BWRized 05 Civic "Special Edition" 05 Elise CO, Trim shop interior and other things...SOLD |
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06-21-2009, 02:28 PM
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#14 (permalink) |
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Registered User
Join Date: Mar 2008
Location: Summerfield, NC
Posts: 573
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still no clue, I'm afraid to drive the car b/c i don't want anything coming loose and getting injected.
It started when I got to the track, did 2 sessions with no problems but then the big wire on my alternator broke. Any clue what this could be???? I'd hate to take it to the dealer! Video may not be processed yet:
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06 Exige CO BWRized 05 Civic "Special Edition" 05 Elise CO, Trim shop interior and other things...SOLD |
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06-21-2009, 09:20 PM
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#16 (permalink) |
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Registered User
Join Date: Mar 2008
Location: Summerfield, NC
Posts: 573
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i went to google and typed in: squealing noise from throttle body and up came a mustang website with a bunch of guys complaining about squeaking from the throttle body. They came up with the conclusion that you had to sand the edges where the throttle body meats the plenum, I'm thinking about trying this.
I did not install my supercharger so I don't know if there are sharp edges on the thing that the throttle body mounts to. Don't you have to cut something in this area during the install? the manifold?
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06 Exige CO BWRized 05 Civic "Special Edition" 05 Elise CO, Trim shop interior and other things...SOLD |
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06-22-2009, 04:38 AM
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#17 (permalink) |
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User, Registered
Join Date: Sep 2005
Location: Leesburg, VA
Posts: 1,826
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You might try the Celica boards, it's a Toyota DBW throttle body.
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Francis 2006 Chrome Orange Elise: LSD/TC, Nitron SAs with 425/650 springs, BWR 7/8" Front Bar, Eliseparts bumpsteer kit, VF Stage 2, 2bular Header + Sport Cat + 8x24 GT3 Muffler, ECU Tune by Jermaine, Smaay's fuel rail, ACT XT clutch, Saikou Michi dual catch can, Moroso pan, Manly's mount inserts & FF Engine Damper 2000 Black Integra Type R: - 213,000 miles & needs rebuilding... |
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06-23-2009, 10:06 PM
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#18 (permalink) |
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Registered User
Join Date: Mar 2008
Location: Summerfield, NC
Posts: 573
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for anyone listening... took the throttle body off (pretty easy 5 screws) and took the black plastic cover off the back. The butterfly has some free movement due to the plastic gear that connects the butterfly gear to the actual motor. Put some tape on the gears to see if I could eliminate the play. re-assembled and started car. STILL SQUEALING...
going to try to clean everything (filter/throttle body) and re assemble. im really damn curious to know what this is. PS: be careful taking off throttle body when car is HOT, those two smaller lines are coolant and sprayed all over the place!
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06 Exige CO BWRized 05 Civic "Special Edition" 05 Elise CO, Trim shop interior and other things...SOLD |
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06-23-2009, 10:46 PM
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#19 (permalink) |
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I <3 chicken, I <3 liver
Join Date: Dec 2003
Location: Land of da 1000 Oaks, CA
Posts: 15,006
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i only hear it at idle.
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** save ~10 lbs gain 1 hp ** EQ: Y=(190*X) / (1984-X) where Y is (HP) and X is (lbs) '07 EXIGE S ** MY CAR ** VIDEOS!  '08 ACURA TSX 6-speed http://www.makeNYNYagain.com |
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08-14-2009, 04:46 PM
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#20 (permalink) |
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Registered User
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I have the exact same problem. Sounds more like buzzing. It is indeed the DBW servo, and can be indicative of future failure. Was another thread called "bees in throttle body" or something like that. I emailed that thread starter and he said he unplugged his throttle body while car off but key in ingnition and electronics on. Then he replugged in and buzz was diminished and he has learned to live with it. I think mine is very annoying, havent yet tried his solution as am on vacation. It reminds me of a 1950s pinball machine when you hold the flipper button continuously. Annoying.
The other thread was started by cpeteod. Im likely going to drive til it dies, then buy replacement. From what I understand there is no complete cure except expensive total replacement of throttle body.
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2006 polar blue Elise, VF stage II, clam hinge, von Hep exhaust, HID, Zeitronix/Dashdaq (GPS, wideband O2, EGT, fuel+oil pressure), BWR fuel rail, moroso oil pan, HD SS clutch, RTV brace, green wire mod, harnesses, Oddysey 625, alpine pdx-5, jvc avx77 head unit, jl speakers, voltmeter on dash, custom gauge pod, etc. |
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