SmalltownSS Posted April 20, 2017 Report Share Posted April 20, 2017 I had my mechanic install my built transmission for me, and they lost one of the front u joint needle bearing and decided to just omit the driveshaft for the test drive. They brought it up o highway speed and made sure it shifted trough all the gears. Would this be enough to smoke the viscous coupling in the transfer case? I have done a load of reading about pulling the shaft for burn outs and 2x4 dynos.... And they all say it's catastrophic. Has anyone been through this? What symptoms should a guy look for? Quote Link to comment Share on other sites More sharing options...
Downeast Johnny Posted April 20, 2017 Report Share Posted April 20, 2017 It's definitely a NO NO. Is the dumbass mech on notice that he may owe you a T-case? Have you put it back together correctly and test driven it? Quote Link to comment Share on other sites More sharing options...
1BAD2K Posted April 23, 2017 Report Share Posted April 23, 2017 (edited) More than likely they humped the viscous coupler. I have the tool to check it for sale. The only other thing you would need is a torque wrench. That's the only way to know for sure is to check it. Edited April 24, 2017 by 1BAD2K (see edit history) Quote Link to comment Share on other sites More sharing options...
SilveradoJakee Posted April 24, 2017 Report Share Posted April 24, 2017 Very bad! 9/10 the viscous coupler is wasted. Would take it to another shop and have them inspect it. Had a buddy of mine do the samething. He drove it less than a mile. Ended up costing him some bucks for the customer. Easiest way to say it is he is the luckiest guy in the world if nothing is wrong. Quote Link to comment Share on other sites More sharing options...
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