Hello.
I have a 2006 Vibe with about 180,000 miles. I love the car... Aside from the rattles. Setting aside all the interior rattles, I have one metallic sounding rattle that occurs briefly at about 2700 RPM. It is a slightly higher pitch than the engine itself. It comes from the front end - I feel like it is lower front end. It has made that noise as long as I can remember - probably not as loud when I first got the thing. I asked at the dealer early on and they investigated and gave me the old "they all do that". I actually test drove another on the lot and it did make the same noise. I even went to another dealer to check a 3rd and it made the noise too. So, I just let it go.
If I accelerate hard it can only be heard very briefly at that specific RPM. If I accelerate slowly the noise lasts longer as I pass that specific 2700 rpm. If I set the cruise at about 2700 on the highway at around 75 mph it is a constant noise. It is like the engine vibration at that RPM makes something vibrate against something.
Any ideas on this?
Vibration or rattle at 2700 RPM
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star_deceiver
- Posts: 5802
- Joined: Fri Jun 05, 2009 1:49 pm
- Location: Airdrie, AB
Re: Vibration or rattle at 2700 RPM
Double check to make sure none of the heat shields on the exhaust system have come loose. It might just be a loose bolt on one under the car.
2021 Ram 1500 4x4 CCSB
2019 Ram 3500 4x4 CCSB srw 8HP75 (traded in - 04/15/21)
2016 Ram 3500 4x4 RCLB Dually w/stick (traded in - 05/10/19)
2012 Chevy Silverado 1500 Cheyenne 4x4 (Traded in - 03/30/16)
2009 Vibe. (Traded in - 12/12/12)
2019 Ram 3500 4x4 CCSB srw 8HP75 (traded in - 04/15/21)
2016 Ram 3500 4x4 RCLB Dually w/stick (traded in - 05/10/19)
2012 Chevy Silverado 1500 Cheyenne 4x4 (Traded in - 03/30/16)
2009 Vibe. (Traded in - 12/12/12)
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Ondersma80
- Posts: 10
- Joined: Fri Aug 22, 2014 6:13 pm
Re: Vibration or rattle at 2700 RPM
Thank you very much for the suggestion. I'll dig out the jack stands and take a peak this weekend.
Re: Vibration or rattle at 2700 RPM
Some other things to check while in the air;
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Link: viewtopic.php?f=12&t=42950&p=493114&hil ... se#p493114" onclick="window.open(this.href);return false;
2005 #10,524 Neptune Vibe "Bandit" Auto, Moon & Tunes 238k 
1991 Pontiac Bonneville 3.8L "Granny's Whip" 142k (33nd Anniversary
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1991 Pontiac Bonneville 3.8L "Granny's Whip" 142k (33nd Anniversary
)Re: Vibration or rattle at 2700 RPM
Sorry for bumping an old thread but I may have some help. I have a 06 with about 190k and had this rattle/vibration noise for about the last 50k miles. I crawled under myself to check shields, everything seemed fine. I took it to a shop, the tried for an hour to find the cause, nothing. Tried a GM dealer, no fix. Finally tried one more GM dealer and they took out a few bolts from the heatshield right behind the catalytic converter and replaced them one at a time. The culprit seemed tight on visual and touch inspection but must have allowed the vibration. My Vibe is like new for 6 bucks and an oil change, they didn't even charge labor. Try and go beyond just inspecting and get them to swap out bolts.