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Engine NOx Sensor

Car NOx Sensor

Nitrogen Oxide NOx Sensor

Truck Blower Motor

Urea Doser Pump

DEF Sensor

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Crankshaft Position Sensor

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Power Window Switch

VGT turbo actuator
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Company news about How to tell if blower motor is bad on truck?

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How to tell if blower motor is bad on truck?

2026-01-20

To determine if a truck's blower motor is working properly, consider these points:

 

No airflow: Regardless of the fan speed setting, there is no air coming from the vents. This usually indicates that the motor is completely broken.


Intermittent airflow: The airflow is unstable, or only works at certain speeds. This is typically due to a loose connection in the wiring or within the motor itself.


Unusual noises: If there are friction, knocking, or sharp noises during operation, it means the bearings or impeller may be damaged.


Abnormal speed settings: The motor doesn't turn at all, or only works at the highest/lowest speed.

This often indicates a motor or control circuit malfunction.
If you encounter any of these situations, it's best to have a professional technician inspect it to avoid further problems.

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Home > News >

Company news about-How to tell if blower motor is bad on truck?

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News

Cases

How to tell if blower motor is bad on truck?

2026-01-20

To determine if a truck's blower motor is working properly, consider these points:

 

No airflow: Regardless of the fan speed setting, there is no air coming from the vents. This usually indicates that the motor is completely broken.


Intermittent airflow: The airflow is unstable, or only works at certain speeds. This is typically due to a loose connection in the wiring or within the motor itself.


Unusual noises: If there are friction, knocking, or sharp noises during operation, it means the bearings or impeller may be damaged.


Abnormal speed settings: The motor doesn't turn at all, or only works at the highest/lowest speed.

This often indicates a motor or control circuit malfunction.
If you encounter any of these situations, it's best to have a professional technician inspect it to avoid further problems.

86-18100162701
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