Front Gearcase (Demand Drive)
Always check and change the demand drive fluid at the intervals outlined in the Periodic Maintenance Chart. Maintain the oil level even with the bottom thread of the fill plug hole. Refer to the Gearcase Specifications Chart for recommended lubricants, capacities and torque specifications.
ADC Models: Change the front gearcase fluid every 25 hours if the ADC unit is exposed to extreme use. Extreme use includes any of the following:
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Operation in ADC mode for prolonged periods.
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Constant ADC operation on hilly or mountainous terrain.
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ADC is the primary mode of all-wheel-drive operation.
Oil Check
The front gearcase fill plug 1 is located on the right side of the front gearcase.
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Position the vehicle on a level surface.
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Remove the fill plug 1. Check the oil level.
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Add the recommended oil as needed.
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Reinstall the fill plug. Torque to specification.
Oil Change
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Support the vehicle securely with a jackstand.
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Remove the front tire on the driver's side.
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Remove the fill plug.
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Place a drain pan under the drain plug 2 on the bottom right-hand side.
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Remove the drain plug. Drain the oil.
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Clean and reinstall the drain plug. Torque to specification.
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Add the recommended fluid to the bottom of the fill plug hole. Do not overfill.
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Reinstall the fill plug. Torque to specification.
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Check for leaks.
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Discard used oil properly.