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| Diff fluids? http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=88&t=89779 |
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| Author: | PhilKK [ Sun Mar 10, 2019 10:48 pm ] |
| Post subject: | Diff fluids? |
Looking at changing my diff fluids. I am finding some very conflicting info out there. Some say 75/140 synthetic front and rear if you drive it hard Others say 80/90 in the front and 75/140 in the rear So if anyone actually knows...please enlighten me. |
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| Author: | WWDiesel [ Mon Mar 11, 2019 11:48 am ] |
| Post subject: | Re: Diff fluids? |
PhilKK wrote: Looking at changing my diff fluids. I am finding some very conflicting info out there. Some say 75/140 synthetic front and rear if you drive it hard Others say 80/90 in the front and 75/140 in the rear So if anyone actually knows...please enlighten me. You did not say what year? From an 08-11 Service Manual: AXLES CAPACITIES: U.S. / Metric Front Axle 186 FIA (Model 30) SAE 80W-90 Multipurpose Type, GL-5 Gear Lubricant or equivalent. 2.6 Pints / 1.24 Liters Rear Axle 8 1/4 SAE 75W-140 Synthetic Gear Lubricant or equivalent. 4.4 Pints / 2.08 Liters From an earlier manual: (basicly says the same thing) Axle Differential (Front) Mopar Gear & Axle Lubricant (SAE 80W-90) or equivalent. Axle Differential (Rear) Mopar Synthetic Gear Lubricant (SAE 75W-90) or equivalent. For trailer towing, the lubricant should be replaced with Mopar Synthetic Gear & Axle Lubricant (SAE 75W-140) or equivalent. Models equipped with Trac-Lok™ require a limited-slip additive. |
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