TRANSMISSION UNUSUALLY NOISY WHEN OPERATING

TM 9-2320-366-20-2

f11. TRANSMISSION UNUSUALLY NOISY WHEN OPERATING

INITIAL SETUP

Equipment Conditions

Materials/Parts

Engine shut down (TM 9-2320-366-10-1).

Packing, Preformed (Item 197, Appendix G)

Adapter, Straight, Pipe to Tube (Item 1.2, Appendix D)

Tools and Special Tools

Adapter, Straight, Tube to Boss (Item 1.3, Appendix D)

Tool Kit, Genl Mech (Item 46, Appendix C)

Hose Assembly, Nonmetallic (Item 24.13, Appendix D)

Goggles, Industrial (Item 15, Appendix C)

References

Wrench Set, Socket (Item 51, Appendix C)

Wrench, Torque, 0-200 lb-in. (Item 59, Appendix C)

TM 9-4910-571-12&P

Wrench, Torque, 0-175 lb ft (Item 58, Appendix C)

STE/ICE-R (Item 41, Appendix C)

START

KNOWN INFO

TEST OPTIONS

Noise Check

Transmission oil level OK.

REASON FOR QUESTION

Oil not contaminated.

Is transmission noise present

Operation temperature normal.

Some transmission faults will

when vehicle is in neutral?

No codes logged in ECU.

only be audible when vehicle

POSSIBLE PROBLEMS

is in motion.

Faulty PTO engagement.

Faulty scavenge pump

engagement.

Faulty oil pump.

Faulty flexplate.

Faulty propeller shafts

and / or universal joints.

Faulty transmission

transfer case.

YES

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