A squealing, squeaking, or chirping sound coming from your clutch is usually a sign of your throw out bearing going out. It's always a good idea to replace these parts when installing a new clutch as cheap insurance for the future. While you're in there, replace the clutch fork and pilot bearing! These bearings fit 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, and 1993 Mustangs.