resonance at 60km/h, 80km/h and 100km/h
resonance at 60km/h, 80km/h and 100km/h
My 05 has 180k on the gauge and started 30k ago to sound some resonance sounds at 100km/h. Now it is getting louder and appears around 60km/h and 80km/h as well. Thinking of bearings or CV (but no extra sounds in curves). Not rpm related. How do I find out where this sound is coming from? On the jack I don't notice any strange sounds or play for each wheel.
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Re: resonance at 60km/h, 80km/h and 100km/h
Choppy tread.
Usually on the inner edges.
The blocks of tread end up in various stages of something like this:
(C&P from another forum, credit goes to "Some Mook")

“Heel-toe” tire wear is a noticeable difference in
wear between the leading and trailing edges of the
tire’s tread blocks.
Such wear usually shows up on
the rear tires, and indicates that the tires aren’t being
rotated often enough. And even for
those who do rotate their tires every 5000 - 7500 miles,
some driving conditions require more frequent
rotation.
Cars that are frequently subjected to a lot of
downhill driving with heavy braking, or those that are
often heavily loaded with back-seat passengers or
cargo in the trunk, need their tires rotated more often.
Rear tires that show signs of heel-toe wear will
straighten out after they’re rotated. If you rotate them
to the front, you’re going to hear some tire noise until
the heel-toe wear evens out. So if the wear’s severe,
you can even it out and avoid the noise by rotating
the rear tires from side-to-side instead of
rear-to-front.
Usually on the inner edges.
The blocks of tread end up in various stages of something like this:
(C&P from another forum, credit goes to "Some Mook")

“Heel-toe” tire wear is a noticeable difference in
wear between the leading and trailing edges of the
tire’s tread blocks.
Such wear usually shows up on
the rear tires, and indicates that the tires aren’t being
rotated often enough. And even for
those who do rotate their tires every 5000 - 7500 miles,
some driving conditions require more frequent
rotation.
Cars that are frequently subjected to a lot of
downhill driving with heavy braking, or those that are
often heavily loaded with back-seat passengers or
cargo in the trunk, need their tires rotated more often.
Rear tires that show signs of heel-toe wear will
straighten out after they’re rotated. If you rotate them
to the front, you’re going to hear some tire noise until
the heel-toe wear evens out. So if the wear’s severe,
you can even it out and avoid the noise by rotating
the rear tires from side-to-side instead of
rear-to-front.
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