Noise Diagnosis - Air Conditioning (A/C) System

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Step

Action

Yes

No

DEFINITION: Noise originating from the A/C compressor, drive belt, or the A/C lines.

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Document Tags

Document Title: Noise Diagnosis - Air Conditioning (A/C) System

noise

compressor

drive

belt

step

system

moaning

vibration

engine

engaged

inspect

excessive

diagnosis

mechanical

tensioner

correct

clutch

using

stethoscope

abnormal

causing

does

refrigerant

caused

component

repair

complete

replace

conditioning

replacement

inspect drive

belt excessive

diagnosis engine

engine mechanical

belt tensioner

compressor clutch

abnormal noises

step does

inspect drive belt

drive belt excessive

diagnosis engine mechanical

step inspect drive

drive belt tension

drive belt tensioner

step idle engine

using stethoscope entire

abnormal noises caused

system properly charged