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TM 9-2320-364-20-2
2-1708
1. TRANSFER CASE UNUSUALLY NOISY WHEN OPERATING (CONT).
5.
Drain and fill
transfer case
(Para 9-2).
Verify repair, go to
Step 6 of this Fault.
YES
NO
Transfer case oil level OK.
Transfer case oil hoses OK.
Oil pump OK.
Oil seals OK.
Transfer case oil contaminated.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
Oil loses lubricating qualities
when contaminated. This may
lead to unusually noisy transfer
case operation.
WARNING
Is transfer case oil free of
contaminants?
Read WARNING
on Page 2-1709
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