Changed Diff Fluids......
Changed the front and rear diff oil on my 2003 Wrangler Rubicon. I've got
about 3K miles on the Jeep now. There was about 1mm of metal gunk on each of the 4 magnets. Added the limited slip additive to the back diff. as no additive was in the fluid I bought. Each diff took 1-1/2 qt of Synth 75/140 for 3qt total. I guess the lockers take up room as I was under the impression that a Dana 44 takes 2 qt. Don't know whether or not it was really needed. After all the metal was for all intents and purposes on the magnets......... but it makes me feel better. PC |
Re: Changed Diff Fluids......
> Did you really need limited slip additive for electric lockers?
> Nick > > > Changed the front and rear diff oil on my 2003 Wrangler Rubicon. I've got > > about 3K miles on the Jeep now. > > There was about 1mm of metal gunk on each of the 4 magnets. > > Added the limited slip additive to the back diff. as no additive was in > the > > fluid I bought. Each diff took 1-1/2 qt of Synth 75/140 for 3qt total. I > > guess the lockers take up room as I was under the impression that a Dana > 44 > > takes 2 qt. > > > > Don't know whether or not it was really needed. After all the metal was > for > > all intents and purposes on the magnets......... but it makes me feel > > better. > > > > PC And is the 75W140 the recommended weight or are you planning on doing a bit of towing (or other reason)? IIRC isn't 80W90 the normal fluid for non-Rubis? JELo -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 80,000 Newsgroups - 16 Different Servers! =----- |
Re: Changed Diff Fluids......
> And is the 75W140 the recommended weight or are > you planning on doing a bit of towing (or other reason)? > IIRC isn't 80W90 the normal fluid for non-Rubis? JELo 75-140 Synth is what the axel tag calls for. I'm not sure what non-Rubis call for. The axel tag is on the drivers side of the front pumpkin and the passengers side of the rear pumpkin. You could go look. |
Re: Changed Diff Fluids......
"Nick N" <nnote@despammed.com> wrote in message news:pmeUa.18872$Bp2.10655@fed1read07... > Doesn't the rubi have elec. lockers front and back? Or am I seriously > missing something? > Nick It has a limited slip rear end with air lockers front and rear. PC |
Re: Changed Diff Fluids......
Ah, now that makes sinse! Hm, cool!
Nick "Paul Cordes" <late*march@usa.net> wrote in message news:zteUa.470$gk5.107841558@twister2.starband.net ... > > "Nick N" <nnote@despammed.com> wrote in message > news:pmeUa.18872$Bp2.10655@fed1read07... > > Doesn't the rubi have elec. lockers front and back? Or am I seriously > > missing something? > > Nick > > It has a limited slip rear end with air lockers front and rear. > > PC > > |
Re: Changed Diff Fluids......
> > And is the 75W140 the recommended weight or are
> > you planning on doing a bit of towing (or other reason)? > > IIRC isn't 80W90 the normal fluid for non-Rubis? JELo > > 75-140 Synth is what the axel tag calls for. I'm not sure what non-Rubis > call for. > The axel tag is on the drivers side of the front pumpkin and the passengers > side of the rear pumpkin. > > You could go look. Don't have a Rubi handy but I did check my '02TJ Sport (w/D44 TrakLoc rear) and no special markings underneath other than for the friction modifier in the rear. I guess it must be because of those special lockers you have. I was thinking that when I go to change the diff lube on mine that I would switch to full synth but wasn't sure whether to go with 80W90, 75W140 weight. The owners manual recommends 80W90 for normal use and specifically 'synthetic' 75W140 for towing and harsh conditions. As cold as it get out here during the winters, I didn't want to go with anything thicker than what is actually necessary. I suppose dino 80W90 and synth 75W140 might give about the same performance in the extreme cold.? JELo -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 80,000 Newsgroups - 16 Different Servers! =----- |
Re: Changed Diff Fluids......
"JELo" <jelo@nospammail.com> wrote in message news:3f217b5a_1@corp.newsgroups.com... > > > And is the 75W140 the recommended weight or are > > > you planning on doing a bit of towing (or other reason)? > > > IIRC isn't 80W90 the normal fluid for non-Rubis? JELo > > > > 75-140 Synth is what the axel tag calls for. I'm not sure what non-Rubis > > call for. > > The axel tag is on the drivers side of the front pumpkin and the > passengers > > side of the rear pumpkin. > > > > You could go look. > Don't have a Rubi handy but I did check my '02TJ > Sport (w/D44 TrakLoc rear) and no special markings > underneath other than for the friction modifier in the > rear. I guess it must be because of those special lockers > you have. I was thinking that when I go to change the > diff lube on mine that I would switch to full synth but > wasn't sure whether to go with 80W90, 75W140 weight. > The owners manual recommends 80W90 for normal use > and specifically 'synthetic' 75W140 for towing and > harsh conditions. As cold as it get out here during the > winters, I didn't want to go with anything thicker than > what is actually necessary. I suppose dino 80W90 and > synth 75W140 might give about the same performance > in the extreme cold.? JELo Didn't want you to check a Rubi.......I have one and that's what it calls for";^) I would recommend that you use 75W140 if you do any off roading at all. Off road work is considered by Jeep as "harsh" conditions. Actually anything other than sunny weather and 72F at 35mph is considered "harsh." LOL! Don't think that the cold will affect as the lower number is actually lower than the 80W90. So when cold, it should have lower viscosity than the standard stuff. PC |
Re: Changed Diff Fluids......
"Paul Cordes" <late*march@usa.net> wrote in message news:LPcUa.274$%l2.100487256@twister1.starband.net ... > Changed the front and rear diff oil on my 2003 Wrangler Rubicon. I've got > about 3K miles on the Jeep now. Why would you do that? > There was about 1mm of metal gunk on each of the 4 magnets. > Added the limited slip additive to the back diff. as no additive was in the > fluid I bought. Each diff took 1-1/2 qt of Synth 75/140 for 3qt total. I > guess the lockers take up room as I was under the impression that a Dana 44 > takes 2 qt. > > Don't know whether or not it was really needed. After all the metal was for > all intents and purposes on the magnets......... but it makes me feel > better. > > PC > > |
Re: Changed Diff Fluids......
"Paul Cordes" <late*march@usa.net> wrote in message
news:%JfUa.302$tE3.105376869@twister1.starband.net ... > > "Jeff Strickland" <crwlr@yahoo.com> wrote in message > news:vi3024dcovng6c@corp.supernews.com... > > > > "Paul Cordes" <late*march@usa.net> wrote in message > > news:LPcUa.274$%l2.100487256@twister1.starband.net ... > > > Changed the front and rear diff oil on my 2003 Wrangler Rubicon. I've > got > > > about 3K miles on the Jeep now. > > > > Why would you do that? > > Kinda for the same reason I changed the oil in the engine at 1000mi. > Just to get the break-in oil out of there. > Like I said, the magnets appeared to have all the metal under control so > it's mostly just feel good work. > The jeep has been in water but there didn't appear to be any in the > fluid......that's good. But how would you know unless you look? > > The transfer case is next. > Imho, it is a waste of time and money to do the transfer case. It doesn't produce nearly as much break-in scrap as a ring and pinion. It's your money though... Earle |
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