JohnQ Posted July 26, 2008 Share Posted July 26, 2008 I just bought some Royal Purple 75w-140 for my rear dana 44. It say's it has the friction modifier already in it, so I shouldn't have to add any more right? :dunno: Link to comment Share on other sites More sharing options...
BLHTAZ Posted July 26, 2008 Share Posted July 26, 2008 That is correct. I use AMSOIL, not RP, but AMSOIL doesn't require the modifier either. Link to comment Share on other sites More sharing options...
JohnQ Posted July 26, 2008 Author Share Posted July 26, 2008 Thanks, I just wanted to make sure. This is the first time I have ever changed the diff fluid myself. Link to comment Share on other sites More sharing options...
WahooSteeler Posted July 26, 2008 Share Posted July 26, 2008 I am getting ready to do mine too, so "Lucy, you got some 'splaining to do". I.E., what is involved? Link to comment Share on other sites More sharing options...
jared Posted July 26, 2008 Share Posted July 26, 2008 I am getting ready to do mine too, so "Lucy, you got some 'splaining to do". I.E., what is involved? unbolt the cover, hit it with a rubber mallet until it pops off makes sure there is a drain pan under it. clean the gasket surface of the cover and diff with a scraper or a cookie disc if you have one. spray it out with brake cleaner if you want to get all rtv out of diff. inspect the carrier and spiders etc. then use rtv to reseal the cover, be generous, bolt it down. then fill it to just below the fill hole of the cover. Link to comment Share on other sites More sharing options...
WahooSteeler Posted July 26, 2008 Share Posted July 26, 2008 cool, thanks......... Link to comment Share on other sites More sharing options...
CWLONGSHOT Posted July 27, 2008 Share Posted July 27, 2008 I run it exclusively in my TJ, everything that gets lube gets Royal Purple. Nice stuff, cannot say for sure it makes any difference, but its supposed to be good stuff. Just remembered, I don't run it in the ECTED, its not recommended and will void there warranty... If you remember all the problems I have had with the ECTED in the MJ. I don't take any chances... CW Link to comment Share on other sites More sharing options...
armybmbsqd Posted July 29, 2008 Share Posted July 29, 2008 I run it exclusively in my TJ, everything that gets lube gets Royal Purple. Nice stuff, cannot say for sure it makes any difference, but its supposed to be good stuff. Just remembered, I don't run it in the ECTED, its not recommended and will void there warranty... If you remember all the problems I have had with the ECTED in the MJ. I don't take any chances... CW Are you running the 70w-90 or the 70w-140 in your TJ? Link to comment Share on other sites More sharing options...
jared Posted July 29, 2008 Share Posted July 29, 2008 i run 75w 90 royal purple in my tj with stock axles. i didn't really notice any difference in anything but i figure the better quality products my tj should last longer Link to comment Share on other sites More sharing options...
JohnQ Posted July 29, 2008 Author Share Posted July 29, 2008 I drove my truck to work today, 53 miles on the clock since I put in the new gear oil, I noticed i have a little bit leaking out of my vent tube. Does this mean I put in too much fluid? Link to comment Share on other sites More sharing options...
MiNi Beast Posted July 29, 2008 Share Posted July 29, 2008 run it in my 8.8 :thumbsup: did you fill it up past your fill plug? Link to comment Share on other sites More sharing options...
JohnQ Posted July 29, 2008 Author Share Posted July 29, 2008 run it in my 8.8 :thumbsup: did you fill it up past your fill plug? It's about a 1/4 inch below the fill plug. Maybe I just had some residual fluid in the axle tube from moving it around when I installed it. I’m going to clean it up and keep an eye on it. Link to comment Share on other sites More sharing options...
MiNi Beast Posted July 29, 2008 Share Posted July 29, 2008 yeah seems that way. Link to comment Share on other sites More sharing options...
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