Date: 10-95 Topic: No 4th Gear Many Ford A4LD transmissions 3-4 shift complaints may be caused by a clogged 3-4 shift solenoid screen. An almost completely plugged screen can cause no 3-4 up-shift at all, while a partially restricted screen may cause 3-4-3 shift hunting, no 3-4 up-shift after 15 minutes of operation, or a 3-4 [...]