TM-9-2320-365-20-2 LMTV Unit Maintenance Manual M1078 Series - Volume 2 Download
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f11. TRANSMISSION UNUSUALLY NOISY WHEN OPERATING (CONT) YES Is scavenge pump free from damage? CAUTION Read CAUTION on following page. YES Notify DS Maintenance. Notify DS Maintenance. Notify DS Maintenance. NO NO POSSIBLE PROBLEMS Transmission oil level OK. Oil not contaminated. Operating temperature normal. No codes logged in ECU. KNOWN INFO Faulty PTO engagement. Faulty scavenge pump engagement. Faulty oil pump. Faulty flexplate bolts. Faulty flexplate. Faulty propeller shafts and / or universal joints. Faulty transmission transfer case, Worn transmission gear teeth and / or PTO gear teeth will cause a noisy transmission. REASON FOR QUESTION Noise Check TEST OPTIONS Worn transmission gear teeth and / or scavenge pump gear will cause a noisy transmission. REASON FOR QUESTION Visual Inspection and Scavenge Pump Suction Test TEST OPTIONS KNOWN INFO Transmission oil level OK. Oil not contaminated. Operating temperature normal. No codes logged in ECU. PTO engagement OK. POSSIBLE PROBLEMS Faulty scavenge pump engagement. 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 2-1422 Change 1 Does operating noise increase when PTO is engaged? 3. 2.