Stock turbo(Ko4) life???
#27
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Here, like this. Its pretty easy to record. You can't hear mine super clearly but at right around 8 seconds is when it does it. It doesn't usually last longer than 1 second when mine does it but it does happen once every couple dozen starts or so, especially after it rains and/or is cold...
#29
I would think that if your blades EVER hit the housing they would literally disintegrate or at least be damaged so badly it would never work properly again. You are probably hearing a heat shield vibrate or something else. I highly doubt the blades are coming into contact with the housing.
http://www.flickr.com/photos/78043929@N05/7782850924/http://www.flickr.com/photos/78043929@N05/7782850924/ by http://www.flickr.com/people/78043929@N05/, on Flickr
My turbo is making the "blades hitting the housing" sound, but I am under warranty and gm is refusing to change the turbo until it blows up. I hope the blown impeller parts will take out the motor when they will be blown into pieces @ full boost...
#33
bought my car at 67k now have 77k and no issues. When I get back to TN Wednesday (1600 mile road trip FTL) i'll check it out and snap a picture of mine, I'd be curious to see if I have any wear/play...
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