What are the signs of a bad radiator fan?
These are the most common signs of a faulty radiator fan assembly in need of replacement:
- Engine Overheating. When the radiator fan isn’t functioning properly, it is not able to adequately cool down the car’s engine.
- Air Conditioner Function Diminished.
- Loud Noise Coming From Radiator Fan.
How much should it cost to replace a radiator fan?
As one of the more expensive car repairs needed (not including the replacement of a seized car engine, obviously), the replacement of the radiator coolant fan could incur about $128 to $162 in labor costs and around $465 in parts. So, total radiator fan replacement cost could be anywhere from $592 to $627.
What kind of bearings do I need for a 140 mm fan?
For shaft diameters over 140 mm at moderate speeds, SD 31 housings which incorporate labyrinth seals (designation suffix TS) are available. Where speeds are moderate to high, SOFN housings are recommended. Spherical roller thrust bearings
Can a bad radiator fan be a serviceable part?
It is a replaceable or serviceable component of the assembly. However, because it contains moving parts, it is subject to wear over time and can fail. Sometimes, a defective radiator fan isn’t caused by the fan itself but more often by the motor that powers it. A complete inspection will be required to determine the cause of the malfunction.
Why are the top and bottom bearings on my fan shaft not working?
This condition indicated a high axial loading and the fatigue of the races showed that the bearing was suffering an overload in the axial thrust direction. The axial location of both the top and bottom bearings was set by the inner race butting against shoulders on the shaft.
What are the symptoms of a bad cooling fan motor?
Cooling fans do not come on The most common symptom of a faulty cooling fan motor are cooling fans that do not come on. If the cooling fan motors burn out or fail, the cooling fans will be disabled. The cooling fan motors work together with the cooling fan blades to pull air through the radiator.