Having problems with your 2003 GMC Envoy ?

I have a GMC 2003 Envoy, each time i drive it sounds like im speeding but im going really slow , i need to change the oil could this affect that and what do i do about the sound

Posted / edited by AnonymousUser on : 16-09-2019

Answers :

Difficult to know what sounds like speeding: engine, road noise, what ?
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\012If the oil change were to help, you have bad, bad engine problems. I suspect you may have a wheel bearing that may have failed. This makes a lot of road noise, alters with vehicle speed and NOT engine speed (drop to idle, noise the same).
\012There is a possibility of transmission slipping. this lets your engine speed up, but not actually move the car.
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\012There is a third common issue and that is FAN. When your fan clutch fails, is locks up a normally free spinning (somewhat) fan, as if the vehicle needed max cooling... This noise follows engine speed, the vehicle seems to go just fine, but huge noise.... This sometimes is called Jeep fan noise, as many of those used to have direct drive fans.... If this is your case, the fan clutch gets replaced, not huge $, but more than it should be.
Repair Help & Product Troubleshooting for 2003 GMC Envoy

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