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Page Title:
AC COMPRESSOR EXCESSIVELY NOISY - Continued |
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 DRAFT
TB 9-2320-279-13-1
AC COMPRESSOR EXCESSIVELY NOISY - Continued
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2.
KNOWN INFO
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TEST OPTIONS
AC operates.
Visual inspection.
AC compressor not damaged.
Are AC compressor belts
REASON FOR QUESTION
POSSIBLE PROBLEMS
tight and free from damage?
If AC compressor belts are
AC compressor belts loose or damaged.
loose or damaged, AC
AC compressor mounting bracket damaged
compressor may be
or hardware missing or loose.
excessively noisy.
AC compressor faulty.
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Tighten or replace
AC compressor
NO
belts as required
(WP 0022). Verify
repair, go to Step 4
of this fault.
YES
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3.
WARNING
KNOWN INFO
TEST OPTIONS
Read WARNING on
AC operates.
Visual inspection.
AC compressor not damaged.
REASON FOR QUESTION
AC compressor belts OK.
If AC compressor mounting
Is AC compressor mounting
POSSIBLE PROBLEMS
bracket hardware is
bracket hardware secure and
damaged, loose, or
AC compressor mounting bracket damaged
free from damage?
missing, or AC
or hardware missing or loose.
compressor is damaged
internally, AC compressor
AC compressor faulty.
may be excessively noisy.
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Tighten or replace
loose, missing, or
damaged hardware
NO
(WP 0023). Verify
repair, go to Step 4 of
this fault.
YES
Recover R-134a refrigerant
compressor (WP 0023) and AC
condenser dryer (WP 0025).
Evacuate and charge system
with new R-134a refrigerant
(WP 0050). Verify repair, go to
Step 4 of this fault.
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0013-4
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