4R70W (Expedition, Cougar, Crown Victoria, Grand Marquis, Mark VIII, Mountaineer, Mustang, Pickup, Thunderbird, Town Car & Van)
- Raise and support vehicle. Place drain pan under transmission. Loosen oil pan retaining bolts. Drain fluid from transmission. Remove oil pan bolts individually. This allows remaining fluid to drain slowly to prevent spillage. Remove oil pan and gasket.
- Drain torque converter by removing torque converter drain plug. Remove and clean filter screen. Reinstall or replace filter screen using NEW "O" rings. Install torque converter drain plug and tighten to specification. See TORQUE SPECIFICATIONS .
- Clean oil pan, Install pan using NEW pan gasket. Fill transmission through filler tube. Start engine and engage all gears. Check fluid level and add as required.
NOTE:
Transmission oil cooler and lines should be thoroughly flushed if transmission is removed for any reason. Use Cooler Line Disconnector (T82L-9500-AH) when disconnecting cooler lines.