5R55W Solenoid Pack Replacement on 2002 Explorer XLT Here’s the procedure. Placed all fours on 4”x12” wooden blocks. Disconnect the battery neg terminal Draining ATF with 22mm wrench. Only about 4 qts drained. Next evening, removed plug again another 3 qts drained. Disconnecting the harness using a 10mm wrench. Note in the photo, the connector w/bolt is seen in the inspection mirror. Lay down a plastic drop cloth under a metal drip pan. Remove drained pan using 8mm socket wrench, ¼”swivel and extension. Using the tranny pan to catch fluids, unbolt solenoid pack using T-30 wrench. Solenoid body removed. Note the solenoid connector in photo. Install new solenoid body pack and tighten bolts to 71 in-lbs. Coat harness plug o-rings with dielectric grease and reinstall/tighten harness plug Install tranny pan, reusing gasket, tighten pan bolts to 96 in-lbs. Tighten drain plug to 19 ft-lbs. Degrease exhaust pipe under drain pan to remove any ATF. At pan drain plug, Remove inner plug using T-30 wrench (counter hold drain plug with 22mm wrench). Install temporary fill brass hose barb (1/8” NPT x ¼” hose). Install hand pump (valvoline fluid lubricant pump, fits most standard quart bottles, about $7 at Kragen Auto) and suitable pinch clamp. Remove pinch clamp, and refill with new Mercor V. Start by adding with 5 qts. Without disconnecting the pump, switch between fresh quart bottles. Reconnect battery. Run engine for a 30 seconds. Add remainder ATF. Install pinch clamp, remove pump. Restart engine and cycle tranny between reverse and drive gears. Let engine idle in "Park" and remove pinch clamp to drain excess fluids. Excess should flow until a very small stream or drip is observed. Add more fluid if necessary, but install pinch clamp before shutting off engine. With engine still running, reinstall inner plug. Tighten inner plug to 89 in-lbs. Test drive.