Ford F series Owner's Manual page 315

Cleaning F-350 Aluminum Dual Rear Wheels
If you have factory-installed Forged Aluminum
Wheels on your F-350, you may use the cleaning
instructions below to help provide optimum
appearance season after season.
1. Keep your F-350 Forged Aluminum Wheels
looking great with simple care. Wash the
wheels with steam or high pressure water
from a hose, and a mild detergent, such as
Ford's Premium Car Wash Concentrate, or
equivalent. Do not use harsh alkaline
cleaners.
2. You can brighten the wheels, even after
years of use, with readily-available buffing
compounds, such as Ford Custom Bright
Metal Cleaner or equivalent. Follow the
buffing instructions that come with the
compound.
3. When tires are removed, the entire wheel
must be cleaned and inspected. Remove any
soil or oxidation products from the tire side
of the rim with a wire brush.
4. Aluminum alloys resist corrosion. This is
why your Forged F-350 Aluminum Wheels
never need sanding or painting. However,
certain environments can lead to corrosion:
salt, chloride compounds used for snow
removal and highly alkaline materials. Wash
corrosives elements off the wheel before they
have time to react.
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