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Trane Furnace is Noisy or Loud

TUX120R960W5

The part(s) or condition(s) listed below for the symptom Furnace is noisy or loud are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.

Most Frequent Causes for Furnace is noisy or loud

Cause 1Blower Wheel

The blower wheel blows air out of the furnace and through the house. The blower wheel is attached to the blower motor shaft with a set screw. If the set screw is loose, the blower wheel will wobble on the motor shaft, and the wheel will be noisy as it turns. Check the set screw to ensure that it is properly tightened. Next, inspect the wheel for damage. If the blower wheel is damaged, replace it.

Parts
Blower Wheel for your TraneFurnace
Blower Wheel - Part # 3315032 Mfg Part # WHL3116

Blower wheel 11x10 cw 1/2"bore

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Cause 2Blower Motor

Over time, the bearings in the blower motor wear out, causing the motor to become noisy. Some furnace motors can be lubricated—if your furnace motor can be lubricated, try lubricating it first. If lubricating the motor doesn’t solve the problem, or if your motor can’t be lubricated, replace the motor.

Parts
Blower Motor for your TraneFurnace
Blower Motor - Part # 2554319 Mfg Part # MOT11994

Blower motor, 3/4HP, 115 volts, 60 hertz, 9.6 amps 1075 RPM's, 4 Speed Open Enclosure, 48Y Frame, Single Phase CCW 3" Shaft

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Cause 3Blower Motor

Over time, the bearings in the blower motor wear out, causing the motor to become noisy. Some furnace motors can be lubricated—if your furnace motor can be lubricated, try lubricating it first. If lubricating the motor doesn’t solve the problem, or if your motor can’t be lubricated, replace the motor.

Parts
Blower Motor for your TraneFurnace
Blower Motor - Part # 2640231 Mfg Part # 901874

Blower motor, 1/4 HP, 1075 RPM, 1 speed

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Cause 4Draft Inducer Motor

The draft inducer motor draws air into the burner and then exhausts it out the flue. If the motor bearings are worn out, the motor will be loud. If the draft inducer motor is unusually noisy, replace it.

Parts
Draft Inducer Motor for your TraneFurnace
Draft Inducer Motor - Part # 2458751 Mfg Part # BLW00879

Inducer blower motor, three phase

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