Condition | PossibleCause | Correction |
|---|---|---|
Blower Motor Noise | Foreign material is on the fan. | Remove the material. Reuse the blower motor if possible. |
Blower Motor Noise | The fan blades are broken or missing . | Replace the motor and fan assembly. |
Blower Motor Noise | The blower motor has internal damage. | Replace the motor and fan assembly. |
A/C Compressor Noise | The compressor mounting bracket fasteners are not torqued to specifications. | Inspect the compressor bracket to engine torque. |
A/C Compressor Noise | The compressor mounting fasteners are not torqued to specifications. | Inspect the compressor to bracket torque. |
A/C Compressor Noise | The A/C compressor pulley bearing is faulty. | Replace the A/C compressor pulley and bearing. |
A/C Compressor Noise | The belt slips. | Inspect the belt tensioner, the idler pulley and/or the belt. |
A/C Refrigerant Lines/Hoses Noise | The lines or hoses are grounded. | Reposition the A/C lines or the hoses. |
A/C Refrigerant Lines/Hoses Noise | The lines or hoses rub on the other components | Reposition and secure the lines and the hoses. |
HVAC Module Noise | Foreign material is in the A/C module. | Remove the material from the case. |
HVAC Module Noise | The A/C module is not torqued to specifications. | Torque the A/C module to specifications. |
HVAC Module Noise | The actuator door is damaged. | Repair or replace the door(s). |
