HELP! Noise from exhaust system
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HELP! Noise from exhaust system - 12/3/2007 3:13:36 AM
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jinstyle
Posts: 20
Joined: 10/23/2007
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My car has recently been driving me nuts. I have a rattling noise problem. One that seems to be coming from the area right under the left rear seat. Sounds like my cat back is bouncing on the frame or the bumper or something like it. When I checked under the car while it was still making the noise I found nothing... Another is when I give the car a little throttle I hear a whining belt slipping noise. I'm guessing both problems could be my OBX header since that was the last mod I did on the car and never heard a sound until I switched from the stock header.
I guess my question is does anybody with the OBX header for the 4cyl have any similar problems? I might just switch back to my stock header if I can't figure this out. I feel like I'm ruining Honda’s reputation by driving around in the fabulous accord and making crappy rust bucket noises. Any thoughts will be greatly appreciated.
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2004 Accord Coupe EX-L 2.4L 5AT
AEM SRI / OBX R Exhaust Header / Greddy SP2 Exhaust
Acura TL 17mm Anti Sway Bar /
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RE: HELP! Noise from exhaust system - 12/3/2007 6:46:06 AM
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falkore24
Posts: 5950
Joined: 8/16/2007
From: Wayne, NJ
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The cat is near the engine. The location that you describe is where the resonator is. If I werre you, I'd check the cat-back system to make sure that all hangers are ok and that nothing is hitting metal-to-metal. I have the V6 with an OBX header and in 4 years have never had any problems with it. I've heard that their gaskets aren't the greatest, but since I haven't added nitrous yet, I haven't burned it out.
For the belt noise, have you actually checked the belts? It might just be coincidental ...... actually it's most likely that it is since an exhaust leak doesn't sound anything like a belt slipping.
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2006 Scion TC (ZPI-18G pending)
2000 V6-AT (RIP 3G)
Temp Search thanks to Finch13
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RE: HELP! Noise from exhaust system - 12/3/2007 1:36:28 PM
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jinstyle
Posts: 20
Joined: 10/23/2007
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actually now that I think about it haven't checked the belts.. i will definitely go check it. As for the resonator you are dead on I couldn't tell before because i was in park but as soon as I put it in drive and pulled the e-brake to keep it from rolling the resonator was hitting the frame. I guess it just needs to be bent a few degrees so that it lines up in the center.
Thanks for the advice =)
_____________________________
2004 Accord Coupe EX-L 2.4L 5AT
AEM SRI / OBX R Exhaust Header / Greddy SP2 Exhaust
Acura TL 17mm Anti Sway Bar /
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RE: HELP! Noise from exhaust system - 12/5/2007 9:50:28 AM
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falkore24
Posts: 5950
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From: Wayne, NJ
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There is a fairly common exhaust problem that I fealt is worth mentioning here, even though it is not your problem. The factory mid-pipe has a small tube inside the one that you can see. If the inner tube breaks, it will rattle against the outter one.
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2006 Scion TC (ZPI-18G pending)
2000 V6-AT (RIP 3G)
Temp Search thanks to Finch13
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RE: HELP! Noise from exhaust system - 12/5/2007 3:36:26 PM
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jinstyle
Posts: 20
Joined: 10/23/2007
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What a coincidence~! I just did the same thing last night. I couldn't think of any other solution so I put silicon on it and so far so good. It's snowing in michigan so the roads are really wet and luckily haven't heard any rattling yet so.. hope it stays good. As for the OBX I'm in a bind because It's doing well so far but if in the future the gaskets keep on blowing like you mentioned I don't know what to do.. Since I replaced the old stock header due to extreme rust. Options at this point are the DC version or stock which are almost equally expensive. =(
_____________________________
2004 Accord Coupe EX-L 2.4L 5AT
AEM SRI / OBX R Exhaust Header / Greddy SP2 Exhaust
Acura TL 17mm Anti Sway Bar /
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RE: HELP! Noise from exhaust system - 12/5/2007 3:45:30 PM
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chopperkid44
Posts: 68
Joined: 11/11/2007
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lol. ive had this problem but it kinda went away on its own or at least its gotten better.
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My victims in races: 96 slightly modded civic, 02 Audi A4 1.8T, Pontiac Grand Am coupe
'94 EX Coupe
76K miles
f22b1 5spd
BOMZ Cold air intake
Megan Racing Full exhaust and header
16" Konigs
Smoked Euro Tailights
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RE: HELP! Noise from exhaust system - 12/5/2007 9:45:03 PM
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94Honda
Posts: 193
Joined: 5/9/2007
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quote:
ORIGINAL: jinstyle
As for the OBX I'm in a bind because It's doing well so far but if in the future the gaskets keep on blowing like you mentioned I don't know what to do.. Since I replaced the old stock header due to extreme rust. Options at this point are the DC version or stock which are almost equally expensive. =(
did u double up your header gasket? like on my firebird and camaro i had to double them up and never had a prob. all my friends with cars w/headers did that and dont have any probs. either
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94'' Accord LX, AT,
Cold Air
Silverline EX.
All Synthetics
NGK Iridium''s
RF 12" P3, P6001bd
1/0 Ga. Power, 1/0 Ground,
10 Farad Digital Hybrid Cap.
T162S RF Components, And
A Double Layer of 80m Dynamat.
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RE: HELP! Noise from exhaust system - 12/6/2007 10:04:33 AM
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falkore24
Posts: 5950
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From: Wayne, NJ
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.... or just get a better gasket from an auto parts store
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2006 Scion TC (ZPI-18G pending)
2000 V6-AT (RIP 3G)
Temp Search thanks to Finch13
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RE: HELP! Noise from exhaust system - 12/6/2007 11:03:50 AM
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94Honda
Posts: 193
Joined: 5/9/2007
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or that.
_____________________________
94'' Accord LX, AT,
Cold Air
Silverline EX.
All Synthetics
NGK Iridium''s
RF 12" P3, P6001bd
1/0 Ga. Power, 1/0 Ground,
10 Farad Digital Hybrid Cap.
T162S RF Components, And
A Double Layer of 80m Dynamat.
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