06 dts northstar whine - Cadillac Forum - Enthusiast forums for Cadillac Owners

Aluminum Block V8s 4.1, 4.5, 4.6, and 4.9 liter engines.

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Old 11-10-2017, 12:43 PM
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Default 06 dts northstar whine

I've got an 06 dts about 135k miles. Had a whine that sounds almost identical to a power steering pump whine. Gets louder with higher Rpms and whenever accelerating, fairly quiet at idle but still there. I took the serp belt off and ran it the whine is still there. Anyone ever encounter anything like this?
Thanks in advance
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