Strange noise from the drivetrain on high speed

Tiny
THEKINGR
  • MEMBER
  • 1994 OPEL VECTRA
  • 2.0L
  • 4 CYL
  • TURBO
  • AWD
  • MANUAL
  • 245,000 MILES
I have a strange from the front drivetrain but only if I above 100km/h.
You can hear with your own ears in this youtube video:
https://youtu.be/Qf2lH7D9890

The story:
I had a big bum when I was driving on the highway. I thought that I had lost my wheels, but after reaching the service, only the stabilization rod-trailing arm connection broken.
I already changed the stabilization rod-trailing arm connection, wheel bearings, brake disc mud cover.
The noise is still there and very annoying.
If anybody have I idea or have solution to find it out please help.

If I push the brake on the highway with the noise the noise will be duller. (I do it with my left foot to not lose speed)
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Thursday, August 27th, 2015 AT 6:34 AM

5 Replies

Tiny
MHPAUTOS
  • EXPERT
Start with checking out the drive shaft, wheel bearing and brakes the noise is a rotating noise so it must be in this part of the car, look here first.
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Friday, August 28th, 2015 AT 6:13 PM
Tiny
THEKINGR
  • MEMBER
My opinion is the same that that must be near the shaft.
I already checked them when I replaced outer wheel bearings and I didn't found any strange thing also when I started te engine at put to gears.
Do you have any idea how to investigate it? Because the way that I change all the parts to new is a bit expensive for my wallet.
And I asked already 5 mechanics in my city all of them couldn't tell me clear answer or solution for my problem.
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Saturday, August 29th, 2015 AT 4:15 AM
Tiny
MHPAUTOS
  • EXPERT
You nay need to check that the drive shaft is not bent not a common thing but something over looked after an impact strike.
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Saturday, August 29th, 2015 AT 4:27 PM
Tiny
THEKINGR
  • MEMBER
Hi, it seems I found the reason of the strange noise.
The noise related to the prop shaft (because I have one related to the AWD)
The prop shaft bearings and support got worn and it was vibrating so much. Because of the vibration it touched the heat shield plate of the exhaust.
Now it seems I have to overhaul my prop shaft and balance it.
I keep you update!
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Saturday, March 26th, 2016 AT 1:32 PM
Tiny
MHPAUTOS
  • EXPERT
OK, that shaft must be well worn to cause this problem, get the shaft o/hauled and replaced and please send an up date so it can be on file for other member to see if they have a problem like yours
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Saturday, March 26th, 2016 AT 6:28 PM

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