@sansoy
Did you find out the cause?
Mine just started making this noise. It was also right after a self car wash at just above freezing temps.
Thanks
Tom
First winter with my CT, I also went with the Blizzaks. I've always run them on my past vehicles with great success.
They are louder and feel grippy-er but our temps have been above freezing the whole time I've had them on.
I'm in southern ontario canada, lots of ice, sometimes lots of snow
Another Ontarian here....sounds about right. I was told when I bought the truck that this would be the case. The CT is considered commercial vehicle due to the weight.