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Unread 10-07-2010, 10:12 AM   #1
enrico1
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2008 KK Liberty 
 
Join Date: Jan 2010
Location: mississauga
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Changing my differentials oil

Hi there, I'm about to do my differentials, wondering if I could use the 75w-140 synthetic gear lubricant on the front and back? Will I void my warrenty and will it do any harm? Also, I can't find how many litres I need....would appreciate any help.

Thanks, Enrico.

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Unread 10-07-2010, 12:52 PM   #2
SuperRliBerty
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Enrico, pour the bottle in through the filler hole, When the fluid drips out of the filler hole, it is filled. Replace the filler cover (rubber Grommet) with a new cover ( $2 at the dealer)
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Unread 10-07-2010, 01:20 PM   #3
SuperRliBerty
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Enrico, check out these diff cover. I will be getting one soon for christmas. $109 for the rear. $216 for front and rear.
riddler_1.jpg   riddler_2.jpg  
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2008 Sport Liberty
Cold air intake*Trush (magnaflow) turbo muffler* Hypertech power program*
Hood Prop mod. Battery Quick Release mod.
Resonator removed (sounds like a V8 on start up)
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Unread 10-07-2010, 03:31 PM   #4
richd
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Quote:
Originally Posted by enrico1 View Post
Hi there, I'm about to do my differentials, wondering if I could use the 75w-140 synthetic gear lubricant on the front and back? Will I void my warrenty and will it do any harm? Also, I can't find how many litres I need....would appreciate any help.

Thanks, Enrico.
The front differential calls for 80W-90 multipurpose typeGL-5,2.6pts.
Rear differential calls for 75W-140 synthetic gear lubricant,4.3 pts.
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Unread 10-07-2010, 05:17 PM   #5
SuperRliBerty
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For the rear diff, 75W 140 is recommended.
001.jpg   dsc01207.jpg  
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2008 Sport Liberty
Cold air intake*Trush (magnaflow) turbo muffler* Hypertech power program*
Hood Prop mod. Battery Quick Release mod.
Resonator removed (sounds like a V8 on start up)
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Unread 10-07-2010, 05:19 PM   #6
TheStigX
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Common TJ Maintenance Info
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Unread 10-07-2010, 05:24 PM   #7
SuperRliBerty
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StigX posted a lubrication chart
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2008 Sport Liberty
Cold air intake*Trush (magnaflow) turbo muffler* Hypertech power program*
Hood Prop mod. Battery Quick Release mod.
Resonator removed (sounds like a V8 on start up)
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Unread 10-07-2010, 05:38 PM   #8
TheStigX
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I personally wouldn't put Synthetic in my D35 just because I hate it. One of these days, that D35 is going to get angry at me and snap. If you do frequent water crossings, I also wouldn't put expensive gear oil in it.
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Unread 10-08-2010, 12:54 PM   #9
SuperRliBerty
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I am not a fan of synthetic too, but that seems to be what most car manufacturers are calling for. I will be servicing the transmission and diff soon I put back in the mopar factory lubricants.
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2008 Sport Liberty
Cold air intake*Trush (magnaflow) turbo muffler* Hypertech power program*
Hood Prop mod. Battery Quick Release mod.
Resonator removed (sounds like a V8 on start up)
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