TM 10-3930-669-20 3.  TRANSMISSION MALFUNCTIONS IN REVERSE (CONT). KNOWN INFO Transmission control switches OK. Transmission operates normally in neutral and reverse. Transmission oil temperature gauge OK. Transmission reverse solenoid OK. Tachometer OK. Clutch OK. Transmission is not leaking oil. Transmission oil level OK. Transmission oil pressure is not low. Transmission has no internal mechanical failure. Engine idle speed OK. Transmission oil pressure is not too high. Clutch OK. POSSIBLE PROBLEMS Broken, pitted, or cracked gear teeth. KNOWN INFO Transmission control switches OK. Transmission operates normally in neutral and reverse. Transmission oil temperature gauge OK. Transmission reverse solenoid OK. Clutch OK. Transmission is not leaking oil. Transmission oil level OK. Transmission oil pressure is not low. Transmission has no internal mechanical failure. Engine idle speed OK. Transmission oil pressure is not too high. Clutch OK. Gear teeth OK. POSSIBLE PROBLEMS TEST OPTIONS Audible inspection. REASON FOR QUESTION If transmission is excessively noisy,  gear  teeth  may  be  broken, pitted, or cracked. TEST OPTIONS Verify repair. REASON FOR QUESTION If  transmission  operates  normally when the transmission control lever   is   set   in   reverse   position, fault has been corrected. 2-320