2002 Gmc Envoy Makes Loud Roaring Noise Let Warm Once Warmed Away Also Feel

2002 GMC ENVOY
92,312 MILES
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My envoy makes a loud roaring noise if I don't let it warm up. Once it has warmed up the noise goes away. I also feel a vibration under my feet.
Mar 21, 2013 at 3:56 PM
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HMAC300
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check to see if fan is locking up when it's not supposed to be scan for codes
Mar 21, 2013 at 5:15 PM
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