Preliminary Set Up
Connect transmission tester. Install pressure gauge to line pressure tap. See AUTO TRANS OVERHAUL - FORD 4R44E & 4R55E article. Set Bench/Drive switch to DRIVE mode. Set tester to Gear Select switch to "1". Ensure vehicle is in park "P". Start vehicle.
CAUTION:
Transaxle damage will occur if stall test is conducted with EPC switch depressed.