TM 10-3930-669-20 2.  TRANSMISSION MALFUNCTIONS IN FORWARD (CONT). KNOWN INFO Transmission control switches OK. Transmission operates normally in neutral and reverse. Transmission oil temperature gauge OK. Tachometer OK. Transmission forward 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 plates 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. Tachometer OK. Transmission forward 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 plates 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 placed in the forward position, fault has been corrected. 2-308