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  #1  
Old 12-23-2009, 07:00 AM
RandSand RandSand is offline
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Default Serpentine belt chirpping

2004 4.0
A few weeks ago I started getting a chirpping noise driving when I increased my RPM's. At idle no noise. I replaced the serpentine belt and the tensioner. Within 5 minutes I had the chirpping again when I increase the RPM's. Oh at idle or ver low RPM. I have not replaced the idle pully yet. Being it is only $18 I figured I would do that next. Has any one had this problem before? Any tips, suggestions or past posts would be very helpful.

Thanx
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Old 12-23-2009, 07:25 AM
Jay FX4 Jay FX4 is offline
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My truck is the same year, same engine, and only about 10K less miles than yours. Mine has only squeaked a couple times, and only when wet. Since you changed the belt, it's probably safe to rule that out, so I wouldn't be surprised if it's the pulley you've yet to replace. But if you change that and it still squeaks, then
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  #3  
Old 12-23-2009, 08:19 AM
RandSand RandSand is offline
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Thanks I am hoping it is the pulley!!! I will also claen the pulleys while the belt is off.
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Old 12-23-2009, 09:33 AM
Turn&Burn Turn&Burn is offline
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ya it is probably a bad barring somewhere. and if it is not the idler pulley then it is a barring somewhere else.
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  #5  
Old 12-23-2009, 10:57 AM
RandSand RandSand is offline
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Thanks. I guess it is now process of ulimination!
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Old 12-23-2009, 03:19 PM
2001xlt4d 2001xlt4d is offline
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replace the the iddler pully.. it will take the pain (noise) away.. while ur at it.. i would get the gatorback belt and put it on.. but thats just me
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Old 12-23-2009, 04:39 PM
RangerLuc RangerLuc is offline
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x2 to the gatorback. ive got one and its nice.
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  #8  
Old 12-24-2009, 06:15 AM
RandSand RandSand is offline
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Ok...I have replaced the iddler pulley, cleaned the pulleys that I could get to (I used a brush and a little degreaser). I spun the pulleys and they seem fine. No leaking from the water pump. Note: I did replace my belt with a Dayco.
I started it up and after 3-4 minutes of idle I got a very light chirp. As I rev the moter it gets worse. I rubbed a liitle soap on the belt and that stopped the chirpping for about 2 miles. After about 9 miles of driving (stop and go) the noise is not as loud and slightly less frequent. Any possible ideas???????

Many thanx and Happy Holidays!
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Old 12-24-2009, 06:51 AM
2001xlt4d 2001xlt4d is offline
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try the tensioner pulley.. its gonna be hard to diagonose w/o actually being there
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ya, it can get tough to get the tool to fit in the slot,
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  #10  
Old 12-24-2009, 08:53 AM
RandSand RandSand is offline
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I did replace the tensioner pulley and tensioner. I was hoping that was the problem.
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  #11  
Old 12-24-2009, 09:31 AM
modelageek modelageek is offline
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+3 on the gatorback. it is strange that you put soap on the belt and the noise went away for a few minutes. get a stethoscope and use it on the ps, the alternatorer , waterpump....the iacv can make a whining sound also that would change with rpm's. take the belt off and run the engine and see if it is still there......
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  #12  
Old 12-24-2009, 09:44 AM
RandSand RandSand is offline
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Looks like I will have to try the gatorback belt. The noise is more like chirping. I will have to try harder to find the part. No excatly sure what/where is the iacv located? Thanx!
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Old 12-24-2009, 09:50 AM
modelageek modelageek is offline
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Originally Posted by RandSand View Post
Looks like I will have to try the gatorback belt. The noise is more like chirping. I will have to try harder to find the part. No excatly sure what/where is the iacv located? Thanx!
the iacv, idle air control valve, that should be cleaned as maintance, the iacv is somewhere near the throttle body. i dont think if you are hearing a chirping that is the issue it can make a whinning sound. did you try spraying wd40 or silicone on ps, waterpump, etc to see if it would go away for a few minutes.... how about the ac comprressor.........
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2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).
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  #14  
Old 12-24-2009, 10:22 AM
RandSand RandSand is offline
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I will trt the spray on the PS and water pump!!! Hopefull that will work!!! IACV...yep I have cleaned that when I cleaned out my Th. body.

Thanks for the help!!!!!!!!!
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  #15  
Old 12-26-2009, 08:24 PM
RandSand RandSand is offline
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Ok....I found the problem!!!! The Crank Pulley is seprating from the rubber and is no un alligned (sp) with the pulley on the tensioner. Looks like the pulley slide toward the motor. The belt slipped off of the track and is running in the rubber section which is aligned with the pulley.

Does anyone know where I can purchase a crank pulley and is there any tricks/tips to taking this out and installing it? Here is a pix I found of the same problem I have. http://www.carcomplaints.com/images/...bb7517131c.jpg

Thanks!!!!!!!!!!!!!!!
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