GX - 1st Gen (2003-2009) Discussion topics related to the 2003 -2009 GX470 models

Help! Truck is making a turbo sound.

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Old 01-10-17, 03:26 PM
  #16  
maddtv
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Originally Posted by DiabloX22
Can you tell if its the right or left side? It could be a manifold or gasket. Do you know any independent shops you trust or the dealer to run or check for the issue?
Hi DiabloX22,
I may have to take it to dealer this Saturday in Edison NJ. which is not far from where I live. I travel long distance to work and I hate to get stuck on the highway, bridge and or in a tunnel.
Thanks to all you guys for your feedback.
Old 01-10-17, 03:37 PM
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DiabloX22
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Sorry couldnt help more! Keep us updated!
Old 01-10-17, 04:04 PM
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180ls1
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Originally Posted by maddtv
Hi 180ls,
Do you mean the power steering fluid? If so, I have already checked it and it's fine.
Yeah, reason why I say that is because the sound changes when you turn the wheel. I cant think of anything exhaust related that would cause change in sound due to the steering wheel being turned.

Does the sound change at all with RPM increase or just MPH?
Old 01-11-17, 07:18 AM
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chiph9
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A steady bearing is a center support for the driveshaft.

Chip H.
Old 01-11-17, 10:17 AM
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Listers
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Originally Posted by Booyah
Maybe a cracked manifold or hole in the exhaust someplace, but that usually doesnt make a turbo sound lol
This is what i'm guessing it is. Especially since it goes away after warming the car up.
Old 01-11-17, 11:51 AM
  #21  
yackowski
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My manifolds leak for a bit when I first crank in the morning or when it cools back down to like 60 or below, but it sounds nothing like a turbo..
Old 01-20-17, 06:30 PM
  #22  
maddtv
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Hey guys, found the source of the noise. It was the front passenger side wheel bearing. Yackowski was right. Now, the truck is quiet as a mouse.
Thanks to all you guys for input.
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