Weird knocking noise

Kick it down a gear · 11-26-2006, 02:08 PM

I have had my car for a couple of months now, and i absolutely love it. For awhile now though I have heard a sound coming mostly from the passenger side. It sounds like its coming from down in the power top mechanism. Somewhere mid seat level behind the plastic covering. It kinda sounds like a hinged metal arm hitting something else metal. It happens mostly during longitudinal speed changes. I will check the axel nuts, but i dont think its them. Any help will be appreciated.

gomarlins3 · 11-26-2006, 03:49 PM

Do you have a test pipe?

Kick it down a gear · 11-26-2006, 09:18 PM

no my car is completely stock, I bought it used but it is in great condition and i can tell it wasnt abused and well taken care of.

gomarlins3 · 11-27-2006, 05:53 AM

Not sure, sorry. I thought maybe the test pipe/ cat was hitting the heat shield underneath, but if it is stock, I doubt the cat- exhaust would have shifted and be hitting the shield.

Halo · 11-27-2006, 11:34 AM

Metal on metal noise? I'll assume yes.

Any chance it wasn't stock for a while but was converted back before sale?

I'd take a look at the bolts that hold the rear A arms to the body. One, to check they're tight and two to see if they've been wrenched on. They should look absolutely pristine without a scratch if the suspension was not previously modified with springs or coilovers and then returned to stock.

The next thing I'd check are the various hangers for the exhaust.

Without hearing it, those would be the first things I'd check. What you're describing isn't a 'known' problem with the car.

Kick it down a gear · 11-28-2006, 07:44 PM

I checked out everything in the suspension and exhaust I couldnt find anything loose at all. Everything looked exactly the way it should.

Thanks for all the help I will keep looking and see what I come up with.

11-26-2006, 02:08 PM	#1 (permalink)
Kick it down a gear Junior Member Join Date: Nov 2006 Posts: 28	Weird knocking noise I have had my car for a couple of months now, and i absolutely love it. For awhile now though I have heard a sound coming mostly from the passenger side. It sounds like its coming from down in the power top mechanism. Somewhere mid seat level behind the plastic covering. It kinda sounds like a hinged metal arm hitting something else metal. It happens mostly during longitudinal speed changes. I will check the axel nuts, but i dont think its them. Any help will be appreciated.

11-26-2006, 03:49 PM	#2 (permalink)
gomarlins3 "Enjoy the drive" Join Date: Jul 2005 Location: Kuna Idaho Posts: 2,490	Do you have a test pipe? __________________ Happiness is a nice road, great weather, and driving the S with Sue in the seat next to me. "Whatever you do, where ever you go, enjoy the drive." I know for a FACT that the last year of production of the S2000 is 2003!!!!! After that, it will be the S2200 under an assumed name.

11-27-2006, 05:53 AM	#4 (permalink)
gomarlins3 "Enjoy the drive" Join Date: Jul 2005 Location: Kuna Idaho Posts: 2,490	Not sure, sorry. I thought maybe the test pipe/ cat was hitting the heat shield underneath, but if it is stock, I doubt the cat- exhaust would have shifted and be hitting the shield. __________________ Happiness is a nice road, great weather, and driving the S with Sue in the seat next to me. "Whatever you do, where ever you go, enjoy the drive." I know for a FACT that the last year of production of the S2000 is 2003!!!!! After that, it will be the S2200 under an assumed name.

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11-26-2006, 09:18 PM	#3 (permalink)
Kick it down a gear Junior Member Join Date: Nov 2006 Posts: 28	no my car is completely stock, I bought it used but it is in great condition and i can tell it wasnt abused and well taken care of.

11-27-2006, 11:34 AM	#5 (permalink)
Halo Senior Member Join Date: Mar 2004 Posts: 610	Metal on metal noise? I'll assume yes. Any chance it wasn't stock for a while but was converted back before sale? I'd take a look at the bolts that hold the rear A arms to the body. One, to check they're tight and two to see if they've been wrenched on. They should look absolutely pristine without a scratch if the suspension was not previously modified with springs or coilovers and then returned to stock. The next thing I'd check are the various hangers for the exhaust. Without hearing it, those would be the first things I'd check. What you're describing isn't a 'known' problem with the car.

11-28-2006, 07:44 PM	#6 (permalink)
Kick it down a gear Junior Member Join Date: Nov 2006 Posts: 28	I checked out everything in the suspension and exhaust I couldnt find anything loose at all. Everything looked exactly the way it should. Thanks for all the help I will keep looking and see what I come up with.