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04-07-2004, 08:34 PM
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#1
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DC Crew
Posts: 273
Member #1107
Member since: Jun 2003
Location: pembroke pines fl
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1998 coupe
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Rattling noise solved
I have had such an annoying rattling sound coming from underneath my C5/A4. I believe i finally figured out where it is coming from. Not the heat shields, not the o2 sensors, not an exhaust leak, how about the F_ _ _ing a/c belt tensioner
pulley..............  . I have read multiple posts reguarding this problem including GM trying to resolve this annoying sound. I removed the a/c belt and the car is now quiet. My tensioner pulley had a slight amount of play. Apparently enough to cause that noise.  For anyone with the same problem, remove your a/c belt and listen...............
I hope this helps alot of you. 
Last edited by dalc5; 04-07-2004 at 08:36 PM.
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04-07-2004, 08:35 PM
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#2
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DC Crew
Posts: 53,061
Member #1
Member since: Jan 2003
Location: Arizona / USA!
My Corvette(s)
Current: 2003 Convertible .... Previous: 1996, 1996 GS, 2001 vert, 2002 Z06, 2003, 2007 Z51, etc...
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That is unreal. Reminds me of the time I tried to track down a cricket in my house.... 3 DAYS!
Only to find out the smoke detector in the hall was giving off it's "low battery" chirp. 
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04-07-2004, 08:43 PM
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#3
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Mod Queen
Posts: 228
Member #6894
Member since: Jan 2004
Location: Ohio
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2004 Spiral Gray Metallic Convertible
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I have a rattle coming from the front of the car when I take off from stop to 1rst. I got under there to move things around to see if something was loose. I found that the spoliler in the center has a rattle when you move it some. I don't think the sound you are having is the same as mine. I think that moving out from a stop makes that spoiler rattle pretty good. Anyone experience this?
Laurie
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04-08-2004, 04:06 PM
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#4
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DC Crew
Posts: 53,061
Member #1
Member since: Jan 2003
Location: Arizona / USA!
My Corvette(s)
Current: 2003 Convertible .... Previous: 1996, 1996 GS, 2001 vert, 2002 Z06, 2003, 2007 Z51, etc...
Thanks: 16
Thanked 73 Times in 52 Posts
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Quote:
Originally posted by LaurieVeTT
I have a rattle coming from the front of the car when I take off from stop to 1rst. I got under there to move things around to see if something was loose. I found that the spoliler in the center has a rattle when you move it some. I don't think the sound you are having is the same as mine. I think that moving out from a stop makes that spoiler rattle pretty good. Anyone experience this?
Laurie
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I have not heard of this at all.
Possibly you smacked the spoiler on something?
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04-08-2004, 06:11 PM
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#5
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DC Crew
Posts: 367
Member #3357
Member since: Oct 2003
Location: Potsdam, New York, USA
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73 coupe(Sold), 94 Coupe(Sold), 65 vert , 04 MSG vert NCM del
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Laurie TT..
The center spoiler is spring loaded to rebound after contact. The springs may be the source of your noise.
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04-08-2004, 06:44 PM
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#6
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Grey Squirrel
Posts: 19,912
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Member since: Nov 2003
Location: In transition
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Quote:
Originally posted by Patrick
That is unreal. Reminds me of the time I tried to track down a cricket in my house.... 3 DAYS!
Only to find out the smoke detector in the hall was giving off it's "low battery" chirp.
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Has anyone besides me ever called you a re-re 
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"The trouble with quotes on the Internet is that you can never know if they are genuine." - Abraham Lincoln |
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04-08-2004, 06:48 PM
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#7
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DC Crew
Posts: 20,593
Member #9092
Member since: Feb 2004
Location: VA
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'85 Vette - 383 TPI
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I had a rattle once... The Bose system and the L98's soundtrack fixed that.
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04-08-2004, 09:00 PM
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#8
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Mod Queen
Posts: 228
Member #6894
Member since: Jan 2004
Location: Ohio
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2004 Spiral Gray Metallic Convertible
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Re: Laurie TT..
Quote:
Originally posted by Sidepipe
The center spoiler is spring loaded to rebound after contact. The springs may be the source of your noise.
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That is exactly what it sounds like and what I thought was the source of the noise. Wonder what I can do about those springs rattlin at take off. Maybe some electrical tape here and there around the spring.
Ya know, I have had a cricket or two in a wall. Chirping away with the light off. But lights on, verrrrry... quiet. You try and locate that thing in the dark then hoping he's out of his hole to catch. Someone told me once, crickets were good luck. So to kill one is a bad thing with bad luck to go with it! I am not gonna kill this thing. Well after about a week or so of trying to find this doggone thing to take alive, my patience ran thin. I went for the big can of Raid along the bottom of the wall. When he was flushed out higher than a kiite, I smashed him with a shoe.
I'm DOOMED!!!
Laurie
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04-09-2004, 12:03 PM
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#9
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DC Crew
Posts: 273
Member #1107
Member since: Jun 2003
Location: pembroke pines fl
My Corvette(s)
1998 coupe
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UPDATE, I changed the a/c belt tensioner today and that took care of the problem. I can now hear my Borla exhaust. If you own a C5-A4 and have a rattling kind of noise coming from under the front or middle of the car, this is the fix. The part costs $67.00 from the dealer.........
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04-09-2004, 11:16 PM
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#10
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DC Crew
Posts: 133
Member #10868
Member since: Mar 2004
Location: Phoenix, AZ
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2000 Convertible
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That rattling noice you describe...oh by the way, I'm glad to hear that it is gone  it can be really irritating and frustrating to find...was it continuous, or did it seem to go away on accelleration? Brian
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Jack Rabbit
2000 Vert, 6 speed, ProCharger (dynoed 524HP), B&B exhaust, Baer brakes, Bilsteins, HRE wheels, HID, DeWitt radiator, 180 t-stat |
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04-10-2004, 12:25 AM
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#11
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DC Crew
Posts: 39
Member #779
Member since: Apr 2003
Location: Port Moody BC Canada
My Corvette(s)
1985 Red Coupe
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1985 Red / Red Leather, Z51, 64k miles, L98, Automatic, TB Air Foil, K&N Filter, Open Air Lid, Moroso Wires & Rapid Fires, Cam, Flowmasters, Alpine CD. |
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04-17-2004, 03:41 AM
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#12
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DC Crew
Posts: 477
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I had a noise in my house that lasted 11 years! It got nice and quite after she moved out though. 
Last edited by RF Hayes; 04-17-2004 at 03:43 AM.
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04-17-2004, 04:30 AM
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#13
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DC Crew
Posts: 39
Member #779
Member since: Apr 2003
Location: Port Moody BC Canada
My Corvette(s)
1985 Red Coupe
Thanks: 0
Thanked 0 Times in 0 Posts
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1985 Red / Red Leather, Z51, 64k miles, L98, Automatic, TB Air Foil, K&N Filter, Open Air Lid, Moroso Wires & Rapid Fires, Cam, Flowmasters, Alpine CD. |
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04-17-2004, 08:53 AM
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#14
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Grey Squirrel
Posts: 19,912
Member #5040
Member since: Nov 2003
Location: In transition
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Looking
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Quote:
Originally posted by RF Hayes
I had a noise in my house that lasted 11 years! It got nice and quite after she moved out though.
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Is that how you get rid of that annoying drone that just seems to go on forever?
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"The trouble with quotes on the Internet is that you can never know if they are genuine." - Abraham Lincoln |
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04-17-2004, 12:30 PM
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#15
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DC Crew
Posts: 477
Member #4942
Member since: Nov 2003
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Quote:
Originally posted by poncherello
Is that how you get rid of that annoying drone that just seems to go on forever?
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Rattle , drone, whine, screech, all the same source....
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