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adamr_ZA

Rattles on the RS

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I know its an RS ... an all track machine ... sound deadening is limited ... so am curious about other RS owners ... how badly does your car rattle?

I get a resonance at low revs on the door panels somewhere or maybe its the pillar ...

It seems the roll-cage or in that area also tends to make sound as if a piece of wire is hitting against it ...

But of course this is really on uneven and bad roads, once on the highway no issues at all ...

sure this is all normal ...

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I know its an RS ... an all track machine ... sound deadening is limited ... so am curious about other RS owners ... how badly does your car rattle?

I get a resonance at low revs on the door panels somewhere or maybe its the pillar ...

It seems the roll-cage or in that area also tends to make sound as if a piece of wire is hitting against it ...

But of course this is really on uneven and bad roads, once on the highway no issues at all ...

sure this is all normal ...

I've owned an '07 GT3 RS for 14 months and have driven 4,000KM's during that time including a couple of track excursions. I have a North American version without the Clubsport ROW equipment (rollbar, lexan rear window etc). Although the cabin noise is much more present than non GT3 versions of the 997 (I previously owned an '06 997 C4S Cab) I have noticed only minor rattles however nothing unusual. I haven't experienced any resonance or trim rattles at specific rpm levels either. I have read the CS roll bar can be noisy (groans and clicks) as it flexes under load and the lexan rear window is prone to vibration noise especially when the side window is open. Nothing else.

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I know its an RS ... an all track machine ... sound deadening is limited ... so am curious about other RS owners ... how badly does your car rattle?

I get a resonance at low revs on the door panels somewhere or maybe its the pillar ...

It seems the roll-cage or in that area also tends to make sound as if a piece of wire is hitting against it ...

But of course this is really on uneven and bad roads, once on the highway no issues at all ...

sure this is all normal ...

I've owned an '07 GT3 RS for 14 months and have driven 4,000KM's during that time including a couple of track excursions. I have a North American version without the Clubsport ROW equipment (rollbar, lexan rear window etc). Although the cabin noise is much more present than non GT3 versions of the 997 (I previously owned an '06 997 C4S Cab) I have noticed only minor rattles however nothing unusual. I haven't experienced any resonance or trim rattles at specific rpm levels either. I have read the CS roll bar can be noisy (groans and clicks) as it flexes under load and the lexan rear window is prone to vibration noise especially when the side window is open. Nothing else.

guess it is the same then, cool :) ... so i guess the resonance is actually the vibration noise from the rear plastic window and yes the roll cage groans and clicks ... always thought there is a loose metallic wire hitting against the roll cage :)

Edited by adamr_ZA

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AAhh the wire hitting roll bar, exactly what i have (57 RS). Usually around right hand corners, under load. Had the dealer check it on the first service. No fault.

The only other noise i have is from speedo pod, a big push seems to cure it!

If you ever find out what the wire noise is........

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RS's have no sound deadening material and they have a single mass flywheel, they're expected to rattle.

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I have a very slight resonance near the dash speaker at about 2800 to 3000 rpm. Very slight, but other than that, quiet as can be.

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All the 2007 RS's I've driven (5) have a wicked harmonic buzz from the drivers door panel at around 2800rpm. This can be almost cured by removing the door panel and istalling some thin high density foam over the rear 3/4 of the door. Do NOT cover the airbag.

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