Service Bulletin Description:
An intermittent vibrating, rumbling, ticking, or humming sound may be heard coming from the refrigerator. The sound may become significantly louder or quieter when pressing against the evaporator fan shroud.
This Service Bulletin PDF download contains information for the following:
GSS23GGPFCBB GSS23GGPGCBB GSS23GGPFCWW GSS23GGPGCWW GSS23GMPFCES GSS23GMPGCES GSS23GYPFCFS GSS23GYPGCFS
The PDF may also contain information that applies to additional models not listed.