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What kind of rear differential oil is recommended for the 2004 Ford F350?
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Differential oil is crucial for keeping the driveshaft and wheel axles properly lubricated in a vehicle. The 2004 Ford F-350 heavy truck specifically uses a rear gear oil with a viscosity rating of 75W-140. You can locate the differential casing beneath the truck, positioned in the middle of the driveshaft. The casing cover is secured in place with fourteen 10mm bolts and can be accessed using a 3/8" drive. Check the plug for any metal shavings that may have come from the gears - it is equipped with a magnet. A clean plug indicates that the gears are not excessively worn. It's recommended to plan for a gear oil change every 30,000-60,000 miles in the F-350 model. Typically, the costs for parts and professional labor for this service range from $117 to $215 on average.
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The 2004 Ford F-350 is compatible with Mobil 1 Synthetic rear differential fluid in the 75-140 viscosity range.
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