How do I Install a Blower Motor on Vehicles

by Contributing Writer; Updated June 12, 2017

Installing a new blower motor in your Vehicles is a simple repair that can be done right Vehicles home. Damage to the blower motor happens most often from running it Vehicles its highest circulation setting all of the time. The blower motor has two main jobs that it does in the Vehicles the air conditioning when it is hot outdoors and also heating the cabin area of the Vehicles during colder months. Signs of damage to the blower motor can be a disturbing rattling or squealing when it is turned on. The blower motor may also stop working completely or only blow air on one setting. The blower motor in your Vehicles is located on the passenger side underneath the dashboard area. The top of the motor will resemble a small black tin can.

Under The Hood:

 How do I Install a Blower Motor on a Grand Am?

Open your Grand Am's hood and remove the negative battery cable.

Slide your passenger seat back as far as it will go, allowing you room to work. Using a screwdriver, gently pry off the trim panel just below your glove compartment. In some vehicles, the blower motor is accessible through the glove box. Accessing the motor via the panel under the glove box is slightly easier and gives you additional room to work.

Press the two locking tabs on the wiring harness. This harness is plugged into the existing blower motor. As you press the tabs in, pull back on the wiring harness.

Using a screwdriver, remove the Grand Am's three retaining bolts that mount the existing blower. Once you remove them, pull the old blower motor out. Using the mounting holes as a guide, match up the new motor's holes with the mounting holes. Tighten the motor down with your wrench.

Plug the wiring harness into your Grand Am's new blower motor.

Reconnect the negative battery cable.

Turn on your car; ensure the new blower is working.

Items you will need

  • Wrench set

  • Screwdriver

 How to Install a Blower Motor on an Acura Legend

Open the passenger-side door and locate the three screws that run along the top of the dash panel just below the glove box door. Remove the screws with a Phillips screwdriver, then pull the panel off and set it aside.

Remove the four glove box mounting bolts at the base of the glove box door with a socket and ratchet, then remove the glove box from the dash. Set it aside so it does not get damaged.

Remove the end cap from the dash located just to the right of the glove box opening by removing the three retaining screws with a Phillips screwdriver. Remove the retaining screws from the left-side panel in the glove box opening using a Phillips screwdriver. Set the two panels aside.

Locate the eight screws on the glove box frame, remove them with a Phillips screwdriver, then pull the frame out of the opening, exposing the blower motor behind it.

Locate the two bolts and two screws that hold the blower in place. Remove the bolts with a ratchet and socket first, then remove the screws with a Phillips screwdriver. Pull the blower towards you until you see the electrical connector behind it. Separate the connector from the car's wiring harness and extract the blower unit from the dash.

Position the new blower into position, connect the wiring harness connector to the blower connector and install the two retaining bolts with a socket and ratchet. Install the two retaining screws and tighten them with a Phillips screwdriver. Go back and torque the bolts to seven ft-lbs. with a torque wrench.

Position the glove box frame in the opening and install the eight retaining screws, tightening them with a Phillips screwdriver. Place the left-side panel in place and install the two retaining screws, then tighten them with a Phillips screwdriver.

Install the right-side dash end cap, tighten the three retaining screws and position the glove box in the dash. Install the four mounting bolts on the bottom of the glove box and tighten them with a socket and ratchet.

Replace the lower dash panel and install the three retaining screws to hold it in place. Tighten the screws with a Phillips screwdriver.

Items you will need

  • Phillips screwdriver

  • Socket set

  • Ratchet

  • Torque wrench

 How to Install a Blower Motor on a 2000 Ram 1500

Removing the Blower Motor

Pop the hood on your vehicle. Remove the negative battery cable from its post on the battery with your socket wrench. Wrap the metal end of the cable completely with the black electrical tape. Lay the cable down within the engine cavity so that it is not in direct contact with any other metal or the engine itself. The negative post on your battery will be indicated with a minus symbol on the top of the battery.

Open the passenger side door and locate the blower motor under the dashboard. Follow the two wires coming out of the blower motor a few inches and you will see a wiring harness plug. Unplug the blower motor wiring harness. If you have a hard time lifting the safety clip by hand carefully use a flat-head screwdriver to lift the clip. Gently unplug the harness by its plug; do not pull it apart by the two wires.

Remove the blower motor’s rubber cooling tube on the right side of the motor. The tube won’t be bolted on or secured by a clip. To remove it, gently squeeze the tube where it enters the blower motor and pop it out of position.

Remove the three screws holding the blower motor in place with your Philips screwdriver. Support the blower motor with one hand while removing the screws to prevent it from dropping. Lower the blower motor carefully from its position. Make sure that the two wires coming from the motor aren’t intertwined with any other wires under the dashboard. Set the blower motor to the side of your work area.

Installing the Ram 1500 Blower Motor

Compare the old blower motor with your new one to make sure they are identical. Make sure the wiring harness plug on both blower motors are the same as well. Spin the fan cage on the new blower to make sure that it turns smoothly without interruption. Inspect the blower motor’s cooling tube. There should not be any cracks or bulging areas on the tube. If it is defective you must replace it before installing the new blower motor.

Place the blower motor back into position under the dashboard in the exact way you removed the old one. Support the blower motor with one hand and return all three supporting screws securely.

Squeeze the blower motor’s rubber cooling tube and pop it back into place on the motor. Connect the blower motor’s wiring harness securely. You will feel and hear a small click letting you know the harness plug is locked in place.

Remove the black electrical tape from the negative battery cable. Reconnect the cable securely to the battery post. Turn the power on in the vehicle and test out your new blower motor. Make sure the blower works on all of its heater and AC settings.

Items you will need

  • Socket wrench set

  • Black electrical tape

  • Flat-head screwdriver

  • Philips screwdriver

  • Blower motor

 How to Install a Blower Motor on a Nissan Altima

Align the eight locking tabs on the blower motor with the slots on the blower housing and snap the two pieces together. The assembly can now be installed in the car.

Position the blower unit in the car and install the two bolts at the top of the unit along with the screw near the bottom of the blower unit. Tighten the bolts with a wrench or socket and the screw with a Phillips-head screwdriver.

Install the electrical connector for the blower motor, intake door motor and fan control. The connector will snap into place on the blower housing.

Install the glove compartment into the dash board by sliding it into place and installing the eight retaining screws. Tighten the screws with a Phillips-head screwdriver.

Test the motor by turning the blower switch on and cycling it through the speeds. The blower should speed up and slow down as you work through the positions on it.

Items you will need

  • Metric socket set

  • Metric wrench set

  • Phillips screwdriver

 How to Install a Blower Motor on a 1995 Volvo 850

Use a socket and ratchet to disconnect the car's negative battery cable. You'll be working in close proximity to the passenger-side airbag, so this step is critical to keep the airbag from possibly knocking your head backward like a Pez dispenser.

Use a screwdriver to remove the three screws from the passenger-side lower soundproofing panel below the dashboard. Open the glove compartment, and remove the four glove compartment screws, then the glove compartment itself.

Remove the four glove compartment door screws, and then the glove compartment door. If your car is equipped with a passenger-side airbag, remove the lower support brace for the airbag module. You should now have access to the AC blower motor.

Disconnect the electrical connector from the fan motor, and then remove the duct cable from the motor. Remove the two connectors from their respective brackets. Remove the four fan screws, and then pull the fan out of the housing.

Install the new fan motor and tighten the four screws just snug. Insert the two connectors in the brackets, and reconnect the duct cable to the motor. Reinstall the airbag module brace.

Reinstall the glove compartment door, the glove compartment and the soundproofing panel. Reconnect the negative battery cable and snug down the fastener. Turn your ignition key to the "On" position and test the blower fan.

Items you will need

  • Ratchet

  • Socket

  • Screwdriver