Cougar/XR7 V8-4.6L VIN W (1997)
Fluid - Differential: Testing and Inspection
Failure Due to Fluid
A common cause of axle failures originates with the lubricant, or with lubricant change practices. The lubricant that protects the axle components has
three key functions:
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to reduce friction between parts
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to carry heat away from parts
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to carry dirt and wear particles away from parts
When a lubrication failure occurs, it is generally the result of improper maintenance and had its roots in one of three basic problem areas:
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low lubricant level
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improper type of lubricant or lubricant with depleted additives
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contaminated lubricant