Tire And Wheel Alignment; Tire Rotation - Ford Focus Owner's Manual

Maintenance and Specifications
6. Visually inspect the tires to make sure there are no nails or other
objects embedded that could poke a hole in the tire and cause an air
leak.
7. Check the sidewalls to make sure there are no gouges, cuts, bulges or
other irregularities.

Tire and wheel alignment

A bad jolt from hitting a curb or pothole can cause the front end of your
vehicle to become misaligned or damage to your tires. If your vehicle
seems to pull to one side, vibrate or shake when you're driving, the
wheels may be out of alignment. Have a qualified technician at a Ford or
Lincoln/Mercury dealer check the wheel alignment periodically.
Wheel misalignment in the front or the rear can cause uneven and rapid
treadwear of your tires and should be corrected by a qualified technician
at a Ford or Lincoln/Mercury dealer. Front wheel drive (FWD) vehicles,
and those with independent front suspension require alignment of all
four wheels.
The tires should also be balanced periodically. An unbalanced tire and
wheel assembly may result in irregular tire wear.

Tire rotation

Rotating your tires at the recommended interval (as indicated in the
Scheduled Maintenance Guide that comes with your vehicle) will help
your tires wear more evenly providing better tire performance and longer
tire life. Unless otherwise specified, rotate the tires approximately every
8,000 km (5,000 miles).
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2004 Focus (foc)
Owners Guide (post-2002-fmt)
USA English (fus)