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.
2004 f150 fan clutch problems.
This can cause bearing damage radiator damage if the blades flex too far or even shatter a plastic fan.
Excess fan noise at high speed is caused by the same problem a seized fan clutch.
The second problem a fan clutch can have is the opposite problem.
The noise may be described as a rolling engine idle most noticeable just after a cold engine startup and before the fan clutch has warmed up.
The clutch fails to engage no matter how hot the engine becomes.
Fan spins after engine shut down might indicate a weak clutch.
The fan clutch is responsible for controlling the operation of the cooling fans.
One of the first symptoms that is commonly associated with a bad or failing fan clutch is an overheating engine.
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Problem with your 2004 ford f 150.
To check for this problem open your hood with the engine off.
If the fan blade will not move the fan clutch is locked up and replacement is required.
A good fan clutch should bring the fan to a halt within four or five revolutions.
Our list of 20 known complaints reported by owners can help you fix your 2004 ford f 150.
Cooling fan clutch noise vehicles built prior to 10 1 2004 5 4l and 4 6l engines some 2004 2005 f 150 vehicles built prior to 10 1 2004 and equipped with a 5 4l or 4 6l engine may exhibit a noise coming from the engine cooling fan.
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Silicone fluid leaking from the fan clutch would cause this problem.
Grasp the fan blade and try to move it.
If yours continues to spin or won t spin at all you have a bad fan clutch and will need to replace it.