How to Change Transmission Fluid in a 2003 Lincoln Aviator: Step-by-Step Guide

Tools & Materials

• New transmission fluid (check owner’s manual for type)
• Drain pan
• Funnel
• Ratchet and socket set
• Clean rag

Procedure

1. Park on a level surface, apply parking brake.
2. Locate the transmission drain plug (bottom of pan).
3. Place drain pan under plug.
4. Loosen plug and let fluid drain completely.
5. Reinstall drain plug.
6. Locate fill plug (near top of pan).
7. Insert funnel into fill plug.
8. Add new fluid until level reaches “Full” on dipstick.
9. Reinstall fill plug.
10. Start engine, run a few minutes to circulate fluid.
11. Recheck level and top off if needed.

Tips

• Use only the fluid type specified for your vehicle.
• If unsure, have a qualified mechanic perform the service.
• Change fluid every 30,000–60,000 miles or per owner’s manual.