Ford F550 Liftgate Window Glass Service and Repair Guide
13. Remove the 16 nuts.
14. With the aid of an assistant, remove the liftgate glass from the liftgate.
INSTALLATION
1. To install, reverse the removal procedure.
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Seal the liftgate glass assembly with 4-mm (0.16-in) bead of foam core butyl or equivalent meeting Ford specification WSB-M4GB45-A.