BlueAWDSS Posted December 16, 2014 Report Share Posted December 16, 2014 Racing a mustang from a light, launched, snap, crackle pop. Now whining from the front diff. No leaks or broken housing that I can tell. Quote Link to comment Share on other sites More sharing options...
Downeast Johnny Posted December 16, 2014 Report Share Posted December 16, 2014 I would drain the front diff and check the fluid for metal. Sounds like something bound, snapped, and wiped out a bearing or two. Quote Link to comment Share on other sites More sharing options...
BlueAWDSS Posted December 16, 2014 Author Report Share Posted December 16, 2014 Well I ordered the bearing rebuild kit for it. Tearing it down later to see what is going on. Will keep this thread posted on my findings. This is my second now front diff in this truck. Quote Link to comment Share on other sites More sharing options...
shawnss Posted December 16, 2014 Report Share Posted December 16, 2014 What all is done to your truck? Performance wise? how many miles on this diff and how many miles on the last diff before it broke? Quote Link to comment Share on other sites More sharing options...
BlueAWDSS Posted December 16, 2014 Author Report Share Posted December 16, 2014 I have tuned my truck (personally), drop in k&n and a muffler. That's it. There was a 110,000 on the old diff. Carrier was wiped on that one and destroyed the case. This was a jasper reman. 135,000 on it now. So 25k on this diff total. I'll add that there was no prior indication of this happening. No weird noises or whining at all. And I didn't even brake stand it. I launched about half throttle and that is when it happened. There is no fluid leaks and it doesn't even vibrate. So really not sure what happened. Quote Link to comment Share on other sites More sharing options...
shawnss Posted December 16, 2014 Report Share Posted December 16, 2014 I have tuned my truck (personally), drop in k&n and a muffler. That's it. There was a 110,000 on the old diff. Carrier was wiped on that one and destroyed the case. This was a jasper reman. 135,000 on it now. So 25k on this diff total. I'll add that there was no prior indication of this happening. No weird noises or whining at all. And I didn't even brake stand it. I launched about half throttle and that is when it happened. There is no fluid leaks and it doesn't even vibrate. So really not sure what happened. Bummer. Quote Link to comment Share on other sites More sharing options...
tayldss Posted December 16, 2014 Report Share Posted December 16, 2014 I still have my new front differential from Midwest Transmission PM me if the rebuild doesn't work out Quote Link to comment Share on other sites More sharing options...
BlueAWDSS Posted December 16, 2014 Author Report Share Posted December 16, 2014 I still have my new front differential from Midwest Transmission PM me if the rebuild doesn't work out How much are you asking? Quote Link to comment Share on other sites More sharing options...
BlueAWDSS Posted December 17, 2014 Author Report Share Posted December 17, 2014 Ok good news. It is NOT the front differential. It is the front bearing in the transfer case. So here is my thesis. The snap crackle pop was the chain skipping, which when it grabbed from slipping it "shocked" the front bearing and destroyed it. So tonight I drained the transfer case to see how bad the fluid was with shavings, and there were no real shavings just super fine flakes. So hopefully no hunks out from the damage. So tomorrow I will be tearing the t case down (again) to replace the chain and the bearing. Hopefully no other bearings are destroyed. The front bearing was 65 dollars alone my cost. ( I work for a custom shop as a fabricator and the performance guy). Quote Link to comment Share on other sites More sharing options...
Mcinalli123 Posted December 17, 2014 Report Share Posted December 17, 2014 Good luck with the fix Quote Link to comment Share on other sites More sharing options...
Downeast Johnny Posted December 17, 2014 Report Share Posted December 17, 2014 Good to hear that you've figured it out. Good luck with the T-case rebuild. Quote Link to comment Share on other sites More sharing options...
BlueAWDSS Posted December 17, 2014 Author Report Share Posted December 17, 2014 Yep this is the second time. Just did it over the summer when the back housing blew up... Quote Link to comment Share on other sites More sharing options...
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