Trane Furnace Exhaust Fan Noise

The sound the burners make when burning the gas.

Trane furnace exhaust fan noise.

In this episode of repair and replace vance shows you audio examples and solutions to the most common causes of a noisy furnace. The fan part of the vent may be part of a self contained unit near the motor or connected directly to the motor itself. If the loud noise happens only when the furnace starts to turn on then this problem is called delayed ignition. So to recap there are three different things that will cause your gas furnace to make noise.

Part of an interactive video. This can be caused by a loose or broken motor mount a loose or broken blower wheel or loose pulleys that are touching the motor housing or squirrel cage housing. Make sure that your furnace filter is clean and isn t restricting airflow by being dirty. A furnace exhaust fan in need of repair is of particular concern since it is such a critical component of your system.

Make sure all parts are tight. Not only are furnace exhaust fan noises disruptive they may also indicate potential problems within your furnace that need to be repaired immediately. Scraping the sound of metal rubbing on metal. So to be fixed the bearings will need to be replaced.

Once the burner lights and things warm up the noise stops. If the fan spins and makes a squeaking noise use some light sewing machine oil to lubricate the blade shaft. While the motor and fan inside your furnace makes considerable noise you don t exactly want it to sound as if you re standing next to a train when you go up next to it. This is caused by the fan bearings being worn out.

Train noise coming out of furnace. Make sure you order the correct one. If the furnace is too loud. Inspect all of these.

More audible in the duct than next to the furnace. Also if there is a drive belt it needs to be tight and firmly seated in the grooves of the drive wheels. When the thermostat first signals for heat the first thing to happen is the exhaust blower turns on then the burner lights then the main blower starts. If you hear your furnace making noise it could be a problem with the fan that cools down the furnace.

Step 1 clean the dirt on the fan. Since the fan is moving quickly and quite frequently there tends to be a lot of buildup of dirt and dust. Do not lubricate the drive wheel or its belt groove. The induced or forced draft motor you have either of the two and the blower inside the gas furnace that blows the air through the ductwork.