Jeep JK Dana 30 Front Differential Fluid Capacity & Specs

Technical scope and sources

This reference is educational and covers common 2007–2018 Jeep Wrangler JK configurations. Exact torque values, capacities, fluid requirements, fasteners and service sequences can vary with model year, engine, axle, factory options and prior repair. Verify the exact vehicle and use the applicable factory service information before tightening a fastener or filling a component. The 2018 JK Owner’s Manual and Mopar’s maintenance schedule are starting points for 2018 operating and maintenance information; use matching documentation for other model years. Read the OffroadMe editorial standards for our source hierarchy.

Jeep JK Dana 30 Front Differential Fluid Capacity & Specs

The Dana 30 is the standard front axle assembly found on all non-Rubicon Jeep Wrangler JKs (Sport, Sahara, and X models). Using the correct gear oil weight is essential for protecting the ring and pinion gears. View our full Jeep JK Master Maintenance Database for more specifications.

FSM Factory Fluid Specifications

Specification FSM Requirement
Dana 30 Fluid Capacity 2.1 Pints (1.0 Liters)
Standard Fluid Type 80W-90 API GL-5 Gear Oil
Heavy Duty / Towing Fluid Type 75W-140 Synthetic Gear Oil

FSM Installation Protocol & Warnings

⚠️ MAINTENANCE NOTE: Always remove the FILL plug before removing the DRAIN plug. If you remove the drain plug first and then discover the fill plug is seized, you will be unable to refill the differential, leaving the vehicle undrivable.

Related Axle Specifications

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