TYC 700357 HVAC Blower Motor - Front

Overview of TYC HVAC Blower Motor 700357

The TYC HVAC Blower Motor 700357 is designed to provide reliable airflow performance for your Chevrolet and GMC trucks. Engineered to meet OEM specifications, this standard motor operates at 13.5 volts and is compatible with select Sierra and Silverado models.

• Voltage: 13.5V for consistent power delivery
• Current: 15.0 amps ±1.5 amps for efficient operation
• Rotation Direction: Counterclockwise (CCW)
• Stall Speed: Approximately 3630 RPM ±150 RPM
• Noise Level: 86 dB for typical blower motor sound
• Connector Pins: 2 pins on main connector, single connector
• Motor Type: Standard without control module

Technical Details and Performance

The TYC 700357 blower motor is built to maintain proper airflow within the HVAC system of Chevrolet Sierra 1500, 2500 HD, 3500 HD, and Silverado 1500, 2500 HD, 3500 HD trucks. Operating at 13.5 volts and drawing 15 amps, this motor ensures consistent blower speed and air circulation. Its counterclockwise rotation and stall speed of around 3630 RPM provide the necessary torque to move air efficiently through the vehicle’s heating and cooling system. The noise rating of 86 decibels is typical for standard blower motors, balancing performance and sound output.

Compatible Vehicles and Applications

This HVAC blower motor is compatible with the following makes and models:

• Chevrolet Sierra 1500, 2500 HD, 3500 HD
• GMC Sierra 1500, 2500 HD, 3500 HD
• Chevrolet Silverado 1500, 2500 HD, 3500 HD
• GMC Silverado 1500, 2500 HD, 3500 HD

It is designed to replace the original blower motor in these vehicles, restoring proper HVAC airflow and climate control functionality.

Common Issues Addressed by This Blower Motor

• Inconsistent or weak airflow from HVAC vents
• Blower motor noise or unusual sounds during operation
• HVAC blower motor failure causing no air circulation
• Intermittent blower motor operation or speed issues
• Overheating or electrical faults in the blower motor circuit

Installation Notes and Tips

When installing the TYC 700357 blower motor, ensure the vehicle’s battery is disconnected to prevent electrical shorts. Verify the connector pins match the existing wiring harness (2-pin main connector). The motor does not include a control module, so it should be compatible with the vehicle’s original HVAC control system. Proper alignment and secure mounting are essential to avoid vibration and noise during operation.

Quality Assurance and Warranty

TYC manufactures this blower motor to meet or exceed OEM standards for durability and performance. While specific warranty details are not provided here, TYC products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product packaging or TYC’s official documentation for exact warranty terms.