When changing lubricant in both axles, does Trac-loc additive need to be installed? I can not remember

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2005 CRD Limited

Do you have Trac Lok?

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06 LIMITED 100000miles, MAGNAFLOW, HOMEBUILT CCV FILTER, POLAR PAD, 02 AIRBOX, CUMMINS LIFT PUMP, SEGR, PILLAR GAUGE POD, CAT FILTER MONITOR, SPYDER TRAX, ALWAYS A LITTLE TWO STROKE OIL OR BIO, WATER/METH INJECTION

Axle Differential (front-rear) MoparT SAE 75W-140 (API GL5) Synthetic Gear Lubricant or equivalent.
The 8.25 Corporate Rear Axle should use a SAE 75W-90 Gear Lubricant.
For trailer towing, the lubricant should be replaced with SAE 75W-140
Synthetic Gear Lubricant.
Models equipped with Trac-Lok™ require a friction modifier additive.

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06 LIMITED 100000miles, MAGNAFLOW, HOMEBUILT CCV FILTER, POLAR PAD, 02 AIRBOX, CUMMINS LIFT PUMP, SEGR, PILLAR GAUGE POD, CAT FILTER MONITOR, SPYDER TRAX, ALWAYS A LITTLE TWO STROKE OIL OR BIO, WATER/METH INJECTION

Regarding the rear axle fluid, is there a shelf life for the fluid once it is opened? In fact, is there a shelf life for any of the fluid we us for our jeep once it has been opened?

Peace,

Scott

Oil, gear lube, and antifreeze - no. Brake fluid - I would not store after opening just because of possible atmospheric water contamination. ATF and power steering - I don't know.

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Sold to LOST member my 05 Ltd, GDE Stg II turbo + TCM tune, SunCoast TC w. Transgo kit, Steiger window regulators, Samcos, Fumoto valve, 2nd gen filter head with Lub. Spec. bleeder, Hayden clutch & 11 blade fan, inverted spare, P-1 battery, BF Goodrich Long Trail TAs, Etecno1 glow plugs, timing belt at 50K miles/8 yrs

From my 2006 owners manual:

"Axle Differential (Front) Mopar Gear & Axle Lubricant (SAE 80W-90) or equivalent."

Yet another detail that Chrysler cant make their minds up over

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