Ford Transit 2002 Owner's Manual page 110

Seized wheel * Corrosion.
nuts
* Vehicle overloaded
Wheel and Tire (Removal and Installation).
* CAUTION: Do not permit lubricant to get on cone sets
of stud holes or on cone angle of wheel nuts. If
corrosion is slight, wire brush away. If corrosion is
excessive, INSTALL new wheel studs and nuts. REFER
to: (204-04 Wheels and Tires)
Specifications (Specifications),
Wheel and Tire (Removal and Installation).
If the condition persists, LUBRICATE the first three
threads of each wheel stud with a graphite-based
lubricant.
* CORRECT as necessary.
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