Question about 2004 GMC Envoy
Just purchased a used 2004 Envoy SLT with 51,000 km. The problem is a really loud engine noise for the first 2-3 minutes of driving. It sounds like a jet engine, or a huge air intake of some sort. This initial noise goes away after a couple of minutes and then it runs quiet. Any ideas? We have a 3 month GM warranty left on the vehicle.
If the check engine light is on, there is a bulletin out on the air pump that is possibly your problem. I'm dealing with that same issue.
Posted on Oct 19, 2008
If the vehicle has a clutch fan, verses an electric fan, sometimes the clutch will spin the fan too fast or at erratic speeds. I'm not saying that's what it is, but just one possible reason. Seeing how you have the warrany, I would take it in and not leave until they have remedied the problem. Let us know how everything turns out and good luck.
Posted on Aug 23, 2008
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Posted on Jan 02, 2017
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