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High pitch noise at idle (video inside)

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Old 11-24-2010, 05:59 PM
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Default High pitch noise at idle (video inside)

I had posted about noise that only present while at car is at idle and engine temp is close to its operating temp.
As soon as i press gas pedal (rpms go up) noise completely goes away.

Have any one encountered some thing similar?

Click link to see video:
http://s157.photobucket.com/albums/t...t=HPIM6518.mp4
 

Last edited by tibyABv6; 11-24-2010 at 06:01 PM.
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Old 11-24-2010, 06:10 PM
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It is a bearing on something.
Remove the serpentine belt and then start the truck.
Noise gone?
Shut the engine off and start spinning everything by hand, ALL pullies, alternator, tensioner, water pump, everything.
Spin them as fast as you can and you will fine it.
 
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Old 02-11-2011, 11:20 AM
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mine is the water pump. it's only about a year and a half old. can i just get bearings for this
 
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Old 02-11-2011, 11:36 AM
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i dont think so^

mine was tensioner pully, 18$ at auto zone. same symptoms, good way to check is spray it with wd-40 at the bearing if its gone thats your problem
 
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Old 02-11-2011, 03:16 PM
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Originally Posted by Spencerfitch View Post
i dont think so^

mine was tensioner pully, 18$ at auto zone. same symptoms, good way to check is spray it with wd-40 at the bearing if its gone thats your problem
Is that $18 for the tensioner pulley, or the whole tensioner assembly?

edit: Never mind, I went to Autozone and it is just the pulley.
 

Last edited by Chris-bob; 02-11-2011 at 03:25 PM.
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Old 02-11-2011, 07:54 PM
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Originally Posted by dynomite View Post
mine is the water pump. it's only about a year and a half old. can i just get bearings for this
Where did you get your water pump and what brand is it?
 
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Old 02-23-2011, 11:47 AM
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i'm embarrassed to say i don't know the brand. i got it done the day i bought the truck by a local mechanic. i do most of my own work now. he doesn't remember where he got it. this time i'll do the work and get the part myself.
 
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Old 02-23-2011, 08:24 PM
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I have heard that the Proline water pumps are junk but I cannot confirm that.
 
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