PRO TECHNICIAN

Inspection/Test

Visual and Aural Check
Click on the underlined sentence.
1. Is the drive belt loose?
2. Insufficient air flow
3. Noise heard near compressor
Check the compressor mounting bolts and the compressor bracket mounting bolts.
4. Noise heard inside compressor
5. Condenser fins covered with dirt and dust
6. Oil stains on A/C system connections or joints
7. Noise heard near blower
8. Checking refrigerant quantity through sight-glass

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