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Discussion Starter #1
:help07 gmc 3500, i have a squeel thats sounds like a belt but its not and it wont make a sound till the truck warms up in between the rpm of 1300 - 1600 under a load only. i cant make it make a sound when the truck is sitting steel. it is driving me nuts!!!
i have put 2 new belts on and it didnt make a diff.
 

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Discussion Starter #3
i have listened too all every thing with a long screwdriver and didnt here any thing like a bearing going out
 

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maybe because ur listening with a screw driver :LMAO


idk man im sure someone will chime in
 

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Discussion Starter #5
LMAO!!! im about to shoot it !!
 

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im the same way with my truck sometimes i want to burn it but sometimes it burns trucks/cars i dont think it will and i love it more


love/hate relationship with my dmax
 

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:help07 gmc 3500, i have a squeel thats sounds like a belt but its not and it wont make a sound till the truck warms up in between the rpm of 1300 - 1600 under a load only. i cant make it make a sound when the truck is sitting steel. it is driving me nuts!!!
i have put 2 new belts on and it didnt make a diff.

Have you checked the ac compresser pulley yet? Could need and ac compresser pulley. my truck did this when the ac compresser was running and when i was bulding up rpm but sopped when the engine warmed up n i replaced the belt and it fixed it..
 

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:help07 gmc 3500, i have a squeel thats sounds like a belt but its not and it wont make a sound till the truck warms up in between the rpm of 1300 - 1600 under a load only. i cant make it make a sound when the truck is sitting steel. it is driving me nuts!!!
i have put 2 new belts on and it didnt make a diff.
How's the steering/brakes?

Pry the P/S pump pulley toward the front of the truck and see if you've a broken pump shaft.

Just a thought...
 

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Discussion Starter #9
it will do it when the ac is on or off and it sounds good
 

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Discussion Starter #10
every thing is working good and i have tryed that. thanks
 

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Maybe EGR leak? Is it a really high pitch?
 

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Discussion Starter #12
lol ...yes it is and i took the egr block off out about 3 week ago. so that mite be it thanks
 

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lol ...yes it is and i took the egr block off out about 3 week ago. so that mite be it thanks
Did you ever locate what was causing the whine in your truck? I've been searching for a similar noise and I'm having a devil of a time trying to locate it.
 

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I had squeeling only when cold since the truck was new, once it warmed up it was barely noticeable. Had it to the dealer 3 times over 3 months time. 1st time replaced belt 2nd time adjusted pulleys, 3rd time left truck with dealer overnite so they could get it cold, replaced idler pulley. Its been a week and all ok. Doesnt seem like the same truck.
 
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