Problem with Engine Noise - Ateva in Australia

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Old 12 Oct 2004, 05:25 am   #1 (permalink)
pwilliams
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Default Problem with Engine Noise - Ateva in Australia

I have a new Toyota Ateva, built 2004, V6 3litre motor. Great vehicle,
the same motor is used in models in the US, but under different name.
Problem is a noise I originally thought to be 'pinging' (pre-ignition)
but I have been told is not, but rather a noise caused by the exhaust
gases striking somewhere in the manifold/flexi coupling/exhaust pipe.
Noise is best described as a 'ringing, tingling' sound when ever
acceleration occurs, either lightly, heavy acceleration, either on the
flat up or down hills.
The noise is very noticeable with the drivers window down. Only time
its not present is when the vehicle is coasting.
I cant believe that it is a 'common fault' as I have been told and was
wondering if anyone can offer any advise to me on what it definately
is and / or how to rectify it.
Please reply to pwill@acay.com.au
Appreciate any assistance
Phill

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Old 12 Oct 2004, 10:08 am   #2 (permalink)
Philip
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Default Re: Problem with Engine Noise - Ateva in Australia

I encountered the same "characteristic" when I bought a new 2003 Corolla.
Not an exhaust leak, not spark knock. The "problem" turned out to be ... a
bit of me and a bit of the car. My previous car had a cast iron manifold
that faced the radiator (net ... quiet). Secondly, the new Corolla has a
thin welded steel exhaust header that faces the passenger compartment. What
do you get? Exhaust crackle the becomes more and more evident and the
throttle is further depressed. Take heart ... as the miles accumulate, the
exhaust sound diminishes quite a bit. Currently, I've got 40k miles on the
Corolla.
--

-Philip

pwilliams wrote:
> I have a new Toyota Ateva, built 2004, V6 3litre motor. Great vehicle,
> the same motor is used in models in the US, but under different name.
> Problem is a noise I originally thought to be 'pinging' (pre-ignition)
> but I have been told is not, but rather a noise caused by the exhaust
> gases striking somewhere in the manifold/flexi coupling/exhaust pipe.
> Noise is best described as a 'ringing, tingling' sound when ever
> acceleration occurs, either lightly, heavy acceleration, either on the
> flat up or down hills.
> The noise is very noticeable with the drivers window down. Only time
> its not present is when the vehicle is coasting.
> I cant believe that it is a 'common fault' as I have been told and was
> wondering if anyone can offer any advise to me on what it definately
> is and / or how to rectify it.
> Please reply to pwill@acay.com.au
> Appreciate any assistance
> Phill



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Old 13 Oct 2004, 01:44 am   #3 (permalink)
Jason James
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Default Re: Problem with Engine Noise - Ateva in Australia


"Philip" <1chip-state1@earthlink.net> wrote in message
news:6sSad.2216$gy1.406@newsread1.news.pas.earthli nk.net...
> I encountered the same "characteristic" when I bought a new 2003 Corolla.
> Not an exhaust leak, not spark knock. The "problem" turned out to be ...

a
> bit of me and a bit of the car. My previous car had a cast iron manifold
> that faced the radiator (net ... quiet). Secondly, the new Corolla has a
> thin welded steel exhaust header that faces the passenger compartment.

What
> do you get? Exhaust crackle the becomes more and more evident and the
> throttle is further depressed. Take heart ... as the miles accumulate,

the
> exhaust sound diminishes quite a bit. Currently, I've got 40k miles on

the
> Corolla.
> --
>
> -Philip



Aye,.....as anyone with steel headers/extractors (especially V8s on both
sides of engine) will atest,..its a horrible noise bouncing off the walls of
a narrow bridge.

Jason


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