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Old 10-11-2004, 21:02   #1 (permalink)
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Clunk sound

On my AU2, I'm getting this weird clunk sound. I've always had it and I'm curious to what it ctually is.

I get it when I do either of the following:
* Accelerate hard, then release the gas. (ie. go from 4000rpm to 2000rpm)
* Take an S bend. If I start turning left, just as I start turning right (ie. G force shifts from pushing me right, to left), I get it.

Its just a small little clunk noise. Sounds like it's coming from my rear axle ish area.

Any aufalcon.com members willing to take a stab at what it might be ? :)

I'm still learning about cars, but my initial guess is that it's got something to do with the diff or possibly suspension. Would not have the faintest idea though :)
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Old 10-11-2004, 21:14   #2 (permalink)
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Re: Clunk sound

Yeah my cars does the samething. Apparently this is common with most of the AUs
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Old 10-11-2004, 21:20   #3 (permalink)
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Re: Clunk sound

Lol, i got that same noise a few times before i blew my first diff
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Old 10-11-2004, 21:22   #4 (permalink)
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Re: Clunk sound

Moved. Sorry, this is a little too non specific to be in aufalcon.com website discussions.
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Old 10-11-2004, 21:59   #5 (permalink)
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Re: Clunk sound

I would check the watts link and trailing arm bushes for wear.You could push the car from side to side,watch the tyre and the body and see if the body moves a fair bit over the tyre.Also check sway bar bushes.
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Old 10-11-2004, 22:39   #6 (permalink)
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Re: Clunk sound

So it's a suspension type problem? Nothing related to diff at all?

Reason being, start of next year I'm planning on spending ~$2000 on a major suspension overhaul on my baby. My mates new Type R has made me all jealous in the handling stakes. :)
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Old 10-12-2004, 01:41   #7 (permalink)
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Re: Clunk sound

I had a stone wedged inbetween the chassis and leaf springs and it make a racket.Couldnt figure it out for months.Took it to a wa suspensions and the mechanic found it,couldnt believe it lol.Worth a try.
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Old 10-12-2004, 05:29   #8 (permalink)
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Re: Clunk sound

Had a an old friend who had same problem. Turned out to be an orange fell into the boot recess, got all dried up and only made a clunk under certain conditions.
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Old 10-12-2004, 06:10   #9 (permalink)
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Re: Clunk sound

Sounds like a typical 75 series BW Diff thing.
Mine does it, and both of my other EA's did the same thing.
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Old 10-12-2004, 07:42   #10 (permalink)
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Re: Clunk sound

Yes it's the diff. A well known problem with the Falcon of the last 10 years or so. Ford seem to think it's reasonable and not a problem. If your car is still under Ford warranty, be very firm and stand your ground to try and get this rectified. They are well aware of the problem. Good luck.
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