The differential contains gears and bearings that are lubricated by oil. Without this lubrication, friction can wear down the gears and bearings, causing them to fail.
Important Note: Requirements for differential oil are vehicle-specific. The wrong oil can damage your vehicle.
Q&A > Acura > 2006 Acura MDX
Q&A > Jeep > 2002 Jeep Grand Cherokee
Q&A > Mercury > 2005 Mercury Mariner
Q&A > BMW > 2007 BMW M6
Q&A > Chevrolet > 2005 Chevrolet Silverado 1500
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