Lead Window Terminal Service-Method I

NOTE: There are two methods for repairing terminal separation from glass and/or grid breaks. Method I involves soldering the terminal to the glass and Method II uses an epoxy adhesive. Also, grid line repair procedures are different.

1. Allow back window glass to warm up to room temperature for thirty to sixty minutes.
2. Clean bus bar in area to be repaired using fine steel wool (3/0 to 4/0 grade).
3. Restore area where bus bar terminal was originally attached by applying three coats of Rear Window Defroster Repair D8AZ-19562-AA or equivalent meeting Ford specification ESB-M4J58-A. Allow approximately 10 minutes drying time between coats.
4. Work as quickly as possible to avoid overheating back window glass. Tin bus bar with solder in area where terminal will be reattached.
5. Using Rotunda Heat Gun 107-R0300 or equivalent, preheat back window glass in the solder area to 67°-83°C (120°-150°F) just prior to soldering terminal on.






6. Position terminal on bus bar in area that was tinned and hold it in place with an ice pick or screwdriver.

7. Apply soldering heat to pad of terminal until solder flows.

CAUTION: To avoid damaging bus bar, remove soldering gun or iron as soon as the solder flows.

8. Start the vehicle, turn heated back window switch and light on, and leave it on for five minutes. Inspect terminal and apply Rear Window Defroster Repair D8AZ-19562-AA or equivalent meeting Ford specification ESB-M4J58-A to the required area.