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    2021 Ram 2500 Maintenance Schedule: The Ultimate Guide

    AI-generated reference. Always verify torque values, fluid capacities, intervals, and procedures against the manufacturer's service manual or OEM repair information before performing work. Repairius is not liable for damage from acting on this content without verification.

    2021 Ram 2500 Maintenance Schedule: The Ultimate Guide

    The 2021 Ram 2500 is a powerhouse, built for towing, hauling, and tackling the toughest jobs. To ensure your investment continues to perform at its peak, adhering to a comprehensive maintenance schedule is crucial. This guide provides an in-depth look at the factory-recommended service intervals, common issues, severe-duty adjustments, typical service costs, and important recall information for your 2021 Ram 2500.

    Understanding Your 2021 Ram 2500

    The 2021 Ram 2500 was available with two primary engine options:

    • 6.4L HEMI V8: A robust gasoline engine known for its strong horsepower and torque.
    • 6.7L Cummins Turbo Diesel I6: A legendary diesel engine, prized for its immense towing capabilities and durability.

    This guide will address maintenance considerations for both powertrains where applicable, with a particular focus on the diesel due to its more specific service requirements.

    Factory Service Intervals

    Staying on top of your Ram 2500's maintenance is key to its longevity and reliability. Here's a breakdown of the factory-recommended service intervals:

    Service Interval6.4L HEMI V86.7L Cummins Turbo Diesel I6
    Oil & Filter ChangeEvery 8,000 miles or 12 months, whichever comes firstEvery 15,000 miles or 12 months, whichever comes first (or sooner based on oil life monitor)
    Tire RotationEvery 8,000 milesEvery 8,000 miles
    Chassis LubricationEvery 8,000 miles or 6 months (if equipped)Every 8,000 miles or 6 months (if equipped)
    Brake InspectionEvery 8,000 milesEvery 8,000 miles
    Cabin Air FilterEvery 16,000 miles or 12 monthsEvery 16,000 miles or 12 months
    Engine Air FilterEvery 30,000 miles (or visually inspect sooner)Every 30,000 miles (or visually inspect sooner)
    Spark PlugsEvery 32,000 milesNot applicable (Diesel)
    Fuel Filter (Diesel)Not applicable (Gas)Every 15,000 miles or 12 months
    Transmission Fluid & Filter (Automatic)Inspect at 60,000 miles, replace at 120,000 miles (normal duty)Inspect at 60,000 miles, replace at 60,000 miles (heavy duty) or 120,000 miles (normal duty)
    Transfer Case FluidInspect at 60,000 miles, replace at 120,000 milesInspect at 60,000 miles, replace at 120,000 miles
    Drive Axle FluidInspect at 60,000 miles, replace at 120,000 miles (front & rear)Inspect at 60,000 miles, replace at 120,000 miles (front & rear)
    Coolant FlushEvery 10 years or 100,000 milesEvery 5 years or 100,000 miles
    Serpentine BeltInspect at 60,000 miles, replace as neededInspect at 60,000 miles, replace as needed

    *Note: These are general guidelines. Always refer to your 2021 Ram 2500's owner

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