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Name that squeak before I go crazy

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Old Jul 24, 2008 | 11:43 AM
  #1  
jdawg04 4.8's Avatar
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Default Name that squeak before I go crazy

Its not an LS1 but maybe you guys have some ideas suggestions.

So heres the deal about two weeks ago a small noise appeared the best i can describe it sounds like a belt squeal/squeak. The noise only becomes audible after about ten min driving or when the truck gets warmed up its loudest at idle and/or low speed and goes away at about 30-40mph it does get progressivly louder the more i drive but as soon as i get up to speed it seems to go away.

All guages read good. voltage is pretty sturdy and the AC works great thought it might have been the compresser or something with the AC becuase if i turn the AC on High the noise goes away all fluids are good. Oil pressure is where its always been.

I can drive about 10-15 mins before the noise even starts and if the trucks sits off for say 30 min the noise goes away but shortly will be there again after driving for a bit.

Now i have had all belts and pullies in the front checked/changed and even did the metal bar to the ear to get an idea of its location but it does not seem to come from anywhere near the front.

So with the front of the engine checked we moved to where the noise was loudest which seemed to be between the trans and oil pan so i took it to the shop that built the trans and right off the bat they thought it was the stall or possible the trans pump during there investigation they hoisted the truck up and unhooked the trans and stall only to have the noise still there without the trans and stall engaged.

So now i have no idea what to do i gotta appointment to get it looked at again this Saturday but any ideas would be great and if you need more details just ask.

Mods in sig and i have not sprayed it yet becuase of the noise.
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Old Jul 25, 2008 | 09:10 PM
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sounds like a belt problem, I've seen belts that look perfectely fine, but when changed the squeak went away
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Old Jul 28, 2008 | 12:59 PM
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jdawg04 4.8's Avatar
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it seems to be the crank bearing, so intstead of tearing into her to fix it ill be shopping for 6.0
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Old Jul 28, 2008 | 11:06 PM
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This might sound weird, but a clogged PCV valve will do that as well.
Next time it does that, remove the oil cap or pull out the dipstick to vent the pressure.
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