Quadratec Part #: 52250.98
Crown Automotive Part #: 4318060AB
Limited-Slip Axle Additive is a special additive used to modify the frictional characteristics of axle lubricants for use in limited-slip differentials. It helps to eliminate chatter in limited-slip differentials when added to nonlimited- slip API GL-5/6 rated gear lubricants.
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Crown Automotive Lubricant Additive Reviews
Works as needed
Does the job. My Cherokee's rear axle is silent.
The Quadratec instruction for this is "Add to gear oil once differential is full". How can one actually do this?... the differential is full!
That means to introduce the additive into the oil, by filling your gear oil ( 4oz short ) and then introducing the additive in to the differential