Fit For

2002-2009 GMC Envoy

2002-2006 GMC Envoy XL

2004-2007 Buick Rainier

2002-2009 Chevrolet Trailblazer

2003-2006 Chevrolet Trailblazer EXT

Package Include:

1X Blower Motor 

1X Resistor

Production Description and Features：

• Strict control of material,make sure of rigidity ,toughness and installlation size
• 100% check dynamic unbalance , make sure of low vibration
• Direct replacement
• Manufactured according to OEM quality standards and precision
• Extensive testing and validation for proper performance and peak reliability
• Professional installation is highly recommended 

Blower Motor Failure:

The blower blades doesn't move or the blower doesn't rotate and makes a humming sound

Outside causes :

• the blower motor resistor
•  fan relay
• and climate control switches

Inner Causes:

• the motor itself break or wear out
• the fan cage becomes obstructed.

Symptoms of a bad or failing resistor:the airflow from the vents is weak

                                                                 the airflow from the vents only blows at certain speeds

                                                                 there is no air coming out of the vents

How to Replace the Blower Motor:

1.Removing the Blower Motor

• Disconnect the ground cable from the negative battery terminal.
• Locate the blower motor
• Pull the wiring connector or connectors off the blower motor
• unscrew the screws that secure the blower motor to the heater case or firewall.
• Pull the blower motor and fan blades from the vehicle as an assembly
• Unscrew the nut that secures the fan blades to the motor
• Pull the fan blades away from the motor

2.Installing the Blower Motor

• Drop the fan blades into position on the new motor.
• Screw on the nut that secures the fan blades to the motor.
• Slide the motor/fan blade assembly into position in the heater case or firewall.
• Screw in the screws that secure the blower motor to the heater case or firewall.
• Press the plastic wiring connector onto the back of the blower motor.
• Reconnect the ground cable to the negative battery terminal.

3.Test for proper operation.