Lot 751-TUL: 1991 Ford F-250 XLT Lariat

The 1991 Ford F-250 with an automatic transmission is commonly associated with the E4OD transmission, which has several known issues based on forum discussions, technical reports, and Classic.com listings. Here are the most frequently reported problems:

1. Transmission Slipping:

   • Gears slipping under load or during acceleration, often due to worn clutch packs or low transmission fluid.

2. Fluid Leaks:

   • Leaks from the valve body, torque converter, or transmission pan gasket, leading to fluid loss and overheating.

3. Overheating:

   • Poor cooling system design in some models causes overheating, accelerating transmission wear.

4. Torque Converter Issues:

   • Stalling or erratic shifting due to torque converter clutch failure (a common TSB topic for Ford in this era).

5. Valve Body Failures:

   • Internal valve body leaks or clogging, leading to erratic shifting behavior.

Recommendations:

• Check maintenance records for transmission fluid changes and repairs.
• Consider upgrading to a remanufactured transmission if the vehicle is driven frequently.
• For more details, you can explore Classic.com’s market page for similar listings and trends.

Can I help you find similar vehicles or additional details? 😊