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Discussion Starter · #1 ·
I have an 08 QP; just replaced my oem wheels with 20" wheels. Now I have an odd metallic rattle coming from the rear somewhere. It occurs only going over a series of small bump. It sounds like light metal sound and can only be heard when window is open. Any thoughts as to what may be creating this noise?

Wheels are balanced; oem tire sensors were put in new wheels (maybe incorrectly?). Thanks for any thoughts you guys may have.
 

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Agreed, I have 20's on my Coupe, really love them and luckily we have really good roads where I live but when you hit bumps in the road, even small potholes it's def more pronounced vs the stock wheels I had before. It's fine here but you wouldn't want to run them in NYC!
 

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Discussion Starter · #4 ·
Yup...I live in NYC and the roads are horrible!!! But it turns out, the problem was not the wheels.

FYI for anyone with odd metal rattling from wheel area:

After checking everything, from muffler to wheels to shocks, it turns out that right beneath the muffler, there is a metal heat shield that is curved upward. Little pebbles got in there and began to bounce up and down over rough payment, causing the noise!!!

Such a simple problem...took multiple visits, two new mufflers (under warranty), and 3 techs to figure it out, but they finally did!

PS: For those in the NYC area, Justin @ Wide World is very attentive and helpful.
 

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Make sure the lug bolts are all tightened. Last year, as a b-day present, I dropped-shipped a new set of rims and tires for my son's car in college. He installed them himself (first time with any type of tool in his hand). He then complained about a metallic sound while driving. He drove it for several weeks that way and then drove 3.5 hours ALL THE WAY HOME for me to look at it. When I did, to my horror, he had not tightened all the lug bolts on the rear passenger-side and the wheel was sliding around the hub. Could have had a major accident.

Another thing to check is if your jack and lug wrench in the trunk are securely fastened (don't have a QP so, don't know if you even have one).
 
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