Question about 2005 GMC Yukon Denali
When i drive my truck forward as i continue to go faster a hummin sound from the front of my truck keeps getting louder. The noise u can can really only hear in the cab of the truck. To me when i start to slow down it sounds like something is binding and it feels like it slows quicker because of it. What might this be?
The Denali's are really susceptible to front dif. wear and failure. Because it is AWD, the front dif is always working unlike a 4WD. GM, in order to lighten up the front end built the front dif in aluminum. If it was the same as the rear, it would be bullet proof, but much heavier. After about 80,000 miles it is common to have bearings failing. Remove the drain plug which happens to be magnetic. You may see more than just the normal fine filings. You will likely see larger chunks of metal some of which is not even magnetic but will drain out with the oil. You are likely looking at a $1500 rebuild. It will get much louder and run for a long time before it really goes south.
Posted on Jun 21, 2009
Check you oil in your front drive axle and add lucas
thats the noise you here
Posted on Nov 30, 2008
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