My 98 dodge ram started squealing and gets worse when I press the clutch in. It sounds like it is coming from the belt area. When I sprayed wd40 on it it stopped until I pressed the clutch in again

squealing in that area can be the clutch bearing. the bearing has be come dry. it sits on the clutch. if you press the clutch in it should stop.

oh yah have your harmonic balancer cheched because you can change every thing but if the balan. gets out of wack it un alines everything

I don't think its the CPS, but I do know that WD40 will make a squealing belt even worse. If you havnt replaced the belt yet, I would do that.

Let us know if that helps.

Just for testing, a few seconds, will the vehicle start and run w/o the belt? Have a helper work the throttle, is the sound gone? If problem not the belt, check the belt driven accessory. Sometimes you can use a long metal rod of some kind, with belt on, one end of the rod touches accessory housing, the other end goes on that bone behind your ear, helps to magnify the sound. I guess you could use a mechanics stethoscope to do the same thing. Have helper work the throttle while you listen to each. Don't get tool or anything caught in belt. This is a serpentine belt, I haven't looked?
Maybe an accessory trying to freeze up or bad bearing? I can't think of anything else at the moment?

smokinbiskit......ya..its a truck there isnt cv boots its a solid front axle

Spray the belt and pully with wd40

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Get the serpentine belt inspected or replaced.

To test open hood and while its squealing spray some water on it. If it subsides for a few seconds then you know where the source is.

Be carefule of hot parts and rotating/moving belts and pulleys.

If its a whine, most likely the bearings on the idler pulley or the bearings on the ac compressor clutch.
-To trouble shoot with engine running and ac on spray wd40 on bearing area of clutch then wait a few seconds to see if sound goes away. If not then try bearing area(behind bolt of pulley) of idler. This will work as temporay fix, but ultimatly you must replace bad bearing.Do NOT spray on belt or pulley surface.

If its a squeal could be the belt is loose and needs to be replaced or dressed.
-Belt dressing can be spray directly on belt while engine is running and ac is on.

Sounds like you need a new belt,but check if tha A/C is turning when you switch it on ,if not then you will need to repair/replace the A/C.

Never use WD40 in a rubber belt.  Replace belt with ford belt and new tensioner.   And don't put anything on the belt..ever!.