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strange noise at 40km/h with my v6

Zoher Alhariri

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I recorded the sound. it feels as if i'm driving over rumble strips but the road is good it always happens at 40km/h and around 2000rpm, the harder the acceleration the more intensive it is, if the rpm is around 1600 I don't feel it.
you can hear it between 0:13 to 0:14
https://drive.google.com/open?id=18h3a09SbANHFbamR1xXIyay6GGTGS0bt
 

Fu Manchu

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Drive shaft issue?

Go to 1:45 and he is driving it with the same thing. @Mufudzi is a forum member too.
 

Zoher Alhariri

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that sounds a lot like my problem but it can't be the center bearing I just had it replaced, maybe it's the coupling.
this is really helpful thank you!!
 

degeneration

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Where is the noise coming from - front rear or middle?

Put it in neutral, put revs to 2000 does it happen then? Change to active select does it happen in every gear?

Sounds like something’s resonating. Could be many things
 

Zoher Alhariri

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Where is the noise coming from - front rear or middle?

Put it in neutral, put revs to 2000 does it happen then? Change to active select does it happen in every gear?

Sounds like something’s resonating. Could be many things
I feel the vibration right below the center console and I tried it today with active select and it occurs in every gear but not in neutral, I also noticed when the engine is cold it's a lot less intensive. I'm gonna try to jack it up and look under it as I accelerate
 

Skylarking

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... I'm gonna try to jack it up and look under it as I accelerate
Now that doesn’t sound dangerous o_O
Better off just going to a mechanic who will put it on a hoist and tell/show you what is wrong and quote for repair. Much safer :rolleyes:
 

Trevor loves holden.

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Look for any breaks in your trans mount. Best to drive it to a mechanic but take it easy.
 

HarryHoudini

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Look for any breaks in your trans mount. Best to drive it to a mechanic but take it easy.

Yeah,off to a mechanic.Tranny Mount,Tailshaft out of balance with new centre bearing you had fitted,Tranny or TC,lots of possibilities you have to work thru one by one.
Large Holden Dealers are the best bet ,although pricey,as they work with the cars everyday.
Some will give you a quote before starting work and only charge you for time spent finding the fault,usually an hour or 2,and are usually vague about the problem but at least you'll have some idea what's wrong.
 
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