Information About Uniform Tire Quality Grading - Ford Thunderbird 2004 Owner's Manual

Maintenance and Specifications
5. Install a new air filter element. Be careful not to crimp the filter
element edges between the air filter housing and cover. This could cause
filter damage and allow unmetered air to enter the engine if not properly
seated.
6. Replace the air filter housing
cover and secure the clamps. Be
sure all of the tabs on front edge are
correctly aligned as shown.
Note: If you encounter any difficulty in replacing your air filter element,
have your vehicle serviced at your local dealer.

INFORMATION ABOUT UNIFORM TIRE QUALITY GRADING

New vehicles are fitted with tires
that have a rating on them called
Tire Quality Grades. The Quality
grades can be found where
applicable on the tire sidewall
between tread shoulder and
maximum section width. For
example:
• Treadwear 200 Traction AA Temperature A
These Tire Quality Grades are determined by standards that the United
States Department of Transportation has set.
188
2004 Thunderbird (tbr)
Owners Guide (post-2002-fmt)
USA English (fus)