The 2003 Ford F-250 uses Dexron III Transmission Fluid. It has a capacity of 15.9 quarts. Transmission fluid, similar to oil, is a lubricant and its purpose is to make sure that the various working parts of the transmission are not subject to damage from heat. The cost of getting the transmission fluid changed on Your F-250 is between $500 and $600 for labor and parts. You should get Your transmission fluid changed every 60,000 miles. The signs that You need a transmission fluid change include a grinding noise coming from the transmission, problems shifting gears, slippage during gear shifts, sudden unexplained surges, and a delay in movement after You place the vehicle in gear.
Lee C
July 16, 2020
The 2003 ford f250 uses dexron iii/mercon transmission fluid.
LewisC
November 3, 2021
Mercon V ATF full synthetic
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