GT40 Owners Manual - Second Strike

[Figure 17 – The right side front and rear wheel spinners are
loosened by turning them clockwise and tightened by turning
them counterclockwise.]
If a wheel has to be removed, front or rear, the knock-on nut should
be struck with a soft hammer (lead or urethane) in the direction of
the wheel rotation when moving forward.
When the nut has moved approximately a quarter of a turn, the car
should be jacked up for the nut to be removed completely.
CAUTION: Always use jack stands once the car is in the air. Jacks
should only be used for lifting and never to support the vehicle.
When replacing the wheel, the drive pins should bed up with the
inner row of holes in the center of the wheel rim.
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