1985-1998 [Subscribe to Daily Digest] |
a wheel bearing? Its attributed to engine rpm not speed.. but you can't check the turbo in nuetral because it won't spin up without load.. Something to try is to diconnect the BPC valve mounted on the radiator by unplugging the electical connnection. This will shut down turbo without harming anything. Then you can take it up to speed and see if you still hear it. just something to try.
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