changing axle and tranfer case fluids -
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Unread 04-27-2011, 09:41 PM   #1
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2009 KK Liberty 
Join Date: Aug 2009
Location: michigan
Posts: 39
changing axle and tranfer case fluids

took my 09 KK Limited in for service, oil change, tire rotation, dealer says "it's time" to change axle and transfer case fluids, $300, and power steering should be flushed and changed, $85. " it is showing signs of being dirty".

KK has 27000 miles, it is driven mostly on pavement. I dont see anything in owners manual about changing these fluids, it mostly says to check them at certain intervals. what do you think, is it necessary?

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Unread 04-28-2011, 06:08 AM   #2
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2008 KK Liberty 
Join Date: Mar 2009
Location: Stoneham, Massachusetts
Posts: 944
Axles need to be done every 18K, Transfer case i believe is 60K
2008 KK Liberty
Inferno Red
Daystar 2" Spacer Lift With SkyJacker Hydro Shocks
JBA Gen 5.5 Upper Control Arms
Rokmen Riddler 8.25 Differential Cover
2 KC Slimlite 100 Watt Driving Lights on JK Light Bar
245/75/16 All Terrains
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Unread 04-28-2011, 09:48 AM   #3
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2013 JK Wrangler 
Join Date: Apr 2010
Location: Charlotte NC
Posts: 608
You can do diff cases (axles) and xfer case yourself. Very easy on almost any truck. Diff cases you will need a gasket or you can use RTV, up to you. Xfer case you simply unbolt, drain, and fill up. My rover has single fill and drain bolts for the diff cases though, so it's super easy compared to the Jeeps. But it has other glitches that make up for it, aluminum engine block that does NOT like

I might pay them to do the power steering though, it can be a pain to bleed, and you definitely do not want air in the line. Might be worth 85 bucks.

Me personally, I would hold off on the axles and xfer case though, unless you took in some deep water/mud, and do the transmission fluid instead, possibly a coolant flush also.

I would rank tranny and coolant fluid (flushes and refill on both) more important than axle and xfer case gear oil for sure @ 30k miles. Esp if your on road mostly.
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Unread 04-28-2011, 10:58 AM   #4
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2002 KJ Liberty 
Join Date: Dec 2009
Location: Colorado
Posts: 8,322
Originally Posted by Elt31987 View Post
Axles need to be done every 18K, Transfer case i believe is 60K
The above is true for the axles since synthetic gear oil is used.

Just remember "Oil is cheap but a engine,trans,t-case,and diffs are not".The more often you service them the better in the long run for your wallet.
'02 Liberty sitting on 35" tires,HP44,RockJock60,and AtlasII t-case
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Unread 04-28-2011, 12:46 PM   #5
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2008 KK Liberty 
Join Date: Jan 2010
Location: Florida
Posts: 1,442
I did the trans and rear axle.... used castrol ATF+4 for the trans and mobil 75w90 for the rear axle ....

The Trans fluid change was somewhat messy and smelled terrible. The rear axle fluid was very easy to replace.

satan (dealer) wants $395 to replace the trans fluid and filter. $249 to do the rear axle.

PLEASE: take the old fluids to a recycling center, most auto store will take them.
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2008 Sport Liberty
Cold air intake*Trush (magnaflow) turbo muffler* Hypertech power program*
Hood Prop mod. Battery Quick Release mod.
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