Remove the Fan Clutch If you are ever wondering which way to loosen the fan nut (some are reverse thread) it will always loosen in the same direction as the fan turns when the engine is running.Feb 3, 2021
Remove the Fan Clutch If you are ever wondering which way to loosen the fan nut (some are reverse thread) it will always loosen in the same direction as the fan turns when the engine is running.
The fan should move freely by hand when the vehicle is off. Any strong resistance means its locking up. Thats when they get noisy.
A bad water pump bearing will usually cause the water pump to leak and/or make noise, but not always. Remove the fan clutch and see if the play is in the water pump shaft. If it feels tight (no play or wobble), replace the fan clutch.
Registered. Yes, a bad fan clutch will cause A/C issues. The condenser needs air flow to cool hot refrigerant.
On this fan clutch its the opposite, clockwise to loosen, this is done because of the direction the water pump will spin when engine is running, if it was right handed threads the fan clutch nut would loosen up while driving.
To confirm the diagnosis, start with this simple test: Spin the fan as hard as you can on an engine that has not been started that day. If the fan rotates more than five times, you can bet the clutch is bad. You should feel some resistance and the fan may spin up to three times, depending on the ambient temperature.
A failing fan clutch can actually cause the engine fan to become loose and wobble. Sometimes this wobble can be heard while driving, especially at freeway speeds. You can turn on your car’s engine while the vehicle is in park or neutral, pop the hood, and see for yourself that the fan is wobbling as it spins.
A bad fan clutch may not engage properly or at all, and as a result, will disable the fans or prevent them from working at maximum efficiency. This may result in the engine overheating, which will lead to more serious issues if left unattended.
The fan clutch on most vehicles take less than an hours labor to replace. You would need to supply the vehicle year, make and model with engine size to get a more accurate labor for this job.
A fan clutch pulley tool comes in handy whenever you want to remove the cooling fan and clutch from the front of an engine.
Spin the fan.
Electronic types might freewheel, but most fan clutches should spin with a little effort. If the fan spins more than three times, you may have a bad fan clutch. If the fan doesn’t spin at all, the bearing may be seized.
There should be a nice, consistent, deliberate rotating force such that when you let the fan go, it should start spinning back up at a rather rapid rate of rotation. If right after you release the fan to spin, and the fan spins ever so slowly, then your fan clutch isn’t working right.
The fan clutch is one of the most essential components in the operation of cooling fans and greatly contributes to the overall operation of the engine. While many new vehicles use electric cooling fans, many older vehicles utilize a mechanical fan clutch to help control the fans.
A fan clutch replacement cost will range anywhere from $75 to $200 for just the part, without the labor costs. When labor is accounted for in the overall fan clutch replacement cost, the total price can range between $285 to $500 to replace the fan clutch only.
All water pumps with bolt on pulley or fan. Water pump hub loosens or comes off, snapped shaft or failed bearing. Defective or out-of-round pulley, defective clutch assembly, damaged fan, or improper installation of fan and clutch assembly. … Failure to do so will lead to premature pump failure and VOID THE WARRANTY.
If your coolant level is low, then it might not feel as if your car is getting cool, even with the radiator fan turned on and working. If you don’t replace your coolant level when it’s low, then this can cause the engine to become seized.
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