So, I know, I know, supposedly compressor surge cannot happen on a diesel. However, my turbo is making a not so awesome noise. It is a chirping-barking-ish kind of noise if I rev it up a couple k to build some boost, and then let off, in neutral. I can also hear it if I'm shifting from 1st to 2nd.
My vanes are shut all the way until 15 psi, when they open.
The video. Boost gauge is 0-25 psi. Hopefully the sound can be picked out over the rattling of some trim.
http://www.youtube.com/watch?v=nUXKkoJ5BLE
I watched your video and couldn't hear anything abnormal, hopefully someone else will be able to hear it
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the only noise i hear is at idle...
Ugh, I figured it would be like that. I can hear it through headphones, but I also know what to pick out.
I'll try to get something better tonight. The engine kinda chirps a bit and you can feel it shake through the steering wheel as it goes back down to idle.
My vanes are shut all the way until 15 psi, when they open.
That is your problem. You need to make a system that moves the vanes progressively with the throttle or adjust the screw setting for minimum vane position.