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Q: Is it necessary to have my differential fluid drained and replaced? – Alex
A: Alex,
Heat, pressure and contaminants cause the special lubricant in the differential gear box to break down. The differential converts engine power to rear axle motion (in rear-wheel drive vehicles) and connects the two rear axles so that they can turn at different speeds on turns. Fresh fluid protects this expensive component and ensures smoother, quieter operation. We recommend a change approximately every 30,000 miles or on the interval specified by your manufacturer. Visit Tire Pros of Frederick for more helpful auto repair tips.
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