i just got my gears done,( yukon 5.29s F+R + install kits, and everything in the rear was replaced, seals, shims ect... and now my rear pinion is leaking again, i cant tell if its from the seal and where the 3rd bolts to the housing, and while under i realized theres a lot of play in my driveshaft while in gear, as in rotating it back in forth , (not the u-joint) theres like an inch of play....is this nornal??

thanks in advance

 

where the 3rd bolts to the axle housing, did you use a paper gasket or just silly-cone it?


I would clean and degrease everything, then keep a close eye on it; that's really the only way you'll pinpoint where the leak's coming from...

 

Who did the set up?

 

a shop that works on a lot of offroad vehicles called Laszlo racing

 

^x2...
there should be some play.. about .008" backlash between R/P, and there is some play in the spider gears also.

 

I would suggest you take it back to them...Diff set up is an art IMO...check out Zuk's website: http://gearinstalls.com/

 

yea your right its definitely not a bolt in procedure..

zuk is the master.

 

ok ill have to call them tomm, another thing, i just got back under it again and in 1st gear it moves back and forth about 1/4 inch, but in neuteral it will almost spin a full rotation before it stops... a neighbor which it a master tech says it feels like they did not shim it right could this be the problem??

 

a full rotation?

haha, holy crap, yeah I'd say something's up with that... that's WAY too much slop. I'm no rear-end expert (no pun intended); I'd definately be taking it back to the shop that installed the gears.

did you just bring up the 3rd to them and they installed the gears and you bolted the 3rd on your truck yourself, or did they do the whole install?

 

they did it all, i dropped the truck off, ill be calling them in the morning to see what they say...

 

It is normal for a locker to show more backlash than the stock diff, but what you are describing is WAY too much!