FORD 2005 Thunderbird v.2 - Manual (Page 210)

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.
MOTORCRAFT PART NUMBERS
Component 3.9L-4V V8 engine
Air filter element FA-1679
Fuel filter FG-1011
Battery BXT-66-650
Oil filter FL-218
PCV valve 1
Spark plugs 2
1 The PCV valve is a critical emission component. It is one of the items
listed in the scheduled maintenance information and is essential to
the life and performance of your vehicle and to its emissions system.
2005 Thunderbird (tbr)
Owners Guide (post-2002-fmt)
USA (fus)
Maintenance and Specifications
210