f11. TRANSMISSION UNUSUALLY NOISY WHEN OPERATING (CONT)
Are transmission to engine
flexplate bolts tight?
YES
NO
Tighten bolts to 33-47 lb-ft
(45-64 N-m)
Notify DS Maintenance.
REASON FOR QUESTION
Visual Inspection
TEST OPTIONS
Loose transmission to engine
flexplate bolts and / or damaged
flexplate will cause transmission
to be unusually noisy when
operating.
Faulty flexplate bolts.
Faulty flexplate.
Faulty propeller shafts and /
or universal joints.
Faulty transmission transfer
case.
Transmission oil level OK.
Oil not contaminated.
Operating temperature normal.
No codes logged in ECU.
PTO engagement OK.
Scavenge pump engagement
OK.
Oil pump OK.
KNOWN INFO
POSSIBLE PROBLEMS
TM 9-2320-365-20-2
2-1426 Change 1
5.