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Assuming you have already checked the obvious, the serpentine belt tensioner and belt. A common cause of the squeal in 4.0 Ford engines is the camshaft sychronizer (takes the place of the distributor on DIS, distributorless ignition systems). It sounds very similar to a belt squeal and is often mis-diagnosed as a belt being loose or worn. The noise can be intermittant, but if the noise is there when you have the hood up use a simple mechanic's stethoscope to help pinpoint the source of the noise. == == The most likely culprit is a serpentine belt or the belt tensioner. Try replacing the serpentine belt. If the noise persists, replace the belt tensioner. See the related article "Serpentine belt and Tensioner FAQ for the Ford Explorer all models"
What else can I help you with?
What would cause a loud squealing noise after changing oil?
When refilling the oil some may have dripped onto the belt which would cause it to start slipping badly and squealing loudly.
What would make a squealing sound on a 2004 ford explorer when you start it up and start to drive then quites?
A loose belt on the motor.
What would cause a squealing noise when the ac is turned on?
check a/c compressor and belt.
What would cause a squealing noise from front end of 1995 Camaro that is quieter when brakes are applied?
Start with the most likely andeasiest to fix. Check your brake pads... There is a wear indicator on the inside pads (closest to engine) that will rub on the rotor and make a squealing noise to warn you that the pads are getting thin. When you apply the brakes the noise will go away a lot of the time. If the pads are new or not making the noise then I do not know what the problem may be.
What would cause a squealing noise as i cut off my car?
It sounds like the fan-belt is slipping.
What would cause a squealing noise when I drive to the right?
possibly a bad brake...you should get all brakes done
Why would a Dodge durango 25000 miles make a squealing noise ocassionally and the brakes are fine?
Water in the drums or on the pads.
What will make a 1994 Ford Explorer 4.0 V-6 not start when the key is turned it just makes a clicking noise?
A weak battery would do that
What would cause a 1999 Honda Passport to make a squealing noise?
If that's the extent of the complaint, check the serpentine belt and tensioner.
Why might the problem be if a '92 3.0 Ranger makes a squealing noise when you start it and then will not turn off?
i would take a good guess that when the starter is engaged through the sylenoid that it is sticking and when you go to shut it off it stays engaged
What would cause a high pitched squealing noise in 1994 Honda Civic when turning left or right?
Power Steering pump my have a leak...
What would cause a squeaking or squealing noise when backing up or making a sharp turn?
metal, right? Sounds like metal, yes.
