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Message: <blockquote data-quote="akheathen" data-source="post: 7882281" data-attributes="member: 629234"><p>what size is yours?  you can get a stock tahoe/denali/escilade 160a alt, which should bolt right in.  with the bose sys, there might be a chance that is what you already have.  yes, iac valves are notorious after a while, and with oil cooking.  clean out your pcv/ tubuing, passages as well.  i've seen several replaced, but that never fixes the real problem.  if it is sticky, just clean everything real well.  might have to actuate it to get it open, been about a year since i cleaned one out.  on rare occasions, they might actually fail, but it is rare.  fords are a different story.  they just fail most of the time.</p></blockquote><p></p>

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