Wes Stone Posted May 28, 2014 Report Share Posted May 28, 2014 2000 Chevy Silverado 6.0 4l80e 4x4 Okay so I was getting off the highway and was slowing down and on decel I get this LOUD whirrling/clicking/grinding sound like 2 gears were supposed to engage and are just hitting at a very high rate of speed and not engaging. I don't know how else to explain it. 60MPH and under it won't do it just normal engine breaking but anything higher than 70mph it like stops engine breaking and goes into a neutral state and the noise starts. I think its the front diff. I did drain the fluid and it has some metal on the magnet. Fluid didn't look to bad. I got a link to the pic and a video of the noise its not that great but best i can get. I tried the gopro and my cell. If anyone is good with trucks can I drive it over to you and you have a listen or something. https://drive.google.com/file/d/0B_OwSLbuhvhkQ2xxQmFodzgxUE0/edit?usp=sharing https://drive.google.com/file/d/0B_OwSLbuhvhkSEs5dnNsTFcyR3c/edit?usp=sharing Thanks, Wes Quote Link to comment Share on other sites More sharing options...
Cordell Posted May 28, 2014 Report Share Posted May 28, 2014 Front diffs are a common issue so you may be on to something there. I'd have to hear it to be sure, because the diff should make that kind of noise slowing down from most speeds, 70mph seems kind of high just to make it do it. Quote Link to comment Share on other sites More sharing options...
TA In Progress Posted May 28, 2014 Report Share Posted May 28, 2014 Transfer case? I think there was some issue with the oil pump rubbing the case itself. If the fluid is really low or empty you'll know. Quote Link to comment Share on other sites More sharing options...
Wes Stone Posted May 28, 2014 Author Report Share Posted May 28, 2014 Its not the tranny because wouldn't you know it that it started doing this and then BAM tranny went out. So i replaced the tranny and well it still did that. The trans was toast though as well. Lots of metal shavings in it. So i don't know what else it could be. Not sure what would make that kind of noise. Quote Link to comment Share on other sites More sharing options...
Wes Stone Posted May 28, 2014 Author Report Share Posted May 28, 2014 I have not checked the fluid in the transfer case. That's going to be tomorrow. Quote Link to comment Share on other sites More sharing options...
Wes Stone Posted May 28, 2014 Author Report Share Posted May 28, 2014 Just finished up the transmission yesterday. I gotta go get some auto trac 2 or whatever the hell it is for the transfer case. Quote Link to comment Share on other sites More sharing options...
Wes Stone Posted May 28, 2014 Author Report Share Posted May 28, 2014 Drained the transfer case. Found this. https://drive.google.com/file/d/0B_OwSLbuhvhkSDJlYVFkdndocnc/edit?usp=sharing Quote Link to comment Share on other sites More sharing options...
FourString Posted May 28, 2014 Report Share Posted May 28, 2014 Yowza. That sucks. Quote Link to comment Share on other sites More sharing options...
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