TM-9-2320-365-20-2 LMTV Unit Maintenance Manual M1078 Series - Volume 2 Download
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WARNING Read WARNING on following page. YES Notify DS Maintenance. NO f11. TRANSMISSION UNUSUALLY NOISY WHEN OPERATING (CONT) TEST OPTIONS Main Pressure Test or STE/ICE-R Test #50 REASON FOR QUESTION Low main oil pressure causes main regulator valve to oscillate. KNOWN INFO Transmission oil level OK. Oil not contaminated. Operating temperature normal. No codes logged in ECU. PTO engagement OK. Scavenge pump engagement OK. POSSIBLE PROBLEMS Faulty oil pump. Faulty flexplate bolts. Faulty flexplate. Faulty propeller shafts and / or universal joints. Faulty transmission transfer case, TM 9-2320-365-20-2 2-1424 Change 1 Is 218-276 psi (1,503-1,903 kPa) present at main oil pressure tap? 4.