NC power hardtop noise

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Noddycar
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NC power hardtop noise

Postby Noddycar » Fri Feb 10, 2012 9:47 pm

Hello. Having recently added the NC to the stable, I am noticing a "clunking" noises which I believe may be coming from the hardtop when I hit small bumps or drive onto my driveway etc. I am reasonably certain it is the hardtop, although finding the source is difficult (sometimes sounds as if it is coming from the door area). It does it more when it has been sitting in the heat and settles after a bit of driving, but never completely goes away. It is not a rattle, but a definite "thunk" :lol: .

Is this a fairly common occurrence with this model?
1993 MX-5 Limited Edition - my original Noddy Car
2010 Roadster Coupe Sport - the more civilised (but still fun) daily driver

deanb90
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Re: NC power hardtop noise

Postby deanb90 » Fri Feb 10, 2012 10:37 pm

It's a common occurance but luckily an easy fix.

There are two rubber grooves that meet two rubber mounts on the top of your windscreen. Over time the rubber seems to wear away and the mounts get smaller than the holes. Put some grease into the holes and wrap a few layers of duck tape nearly over the mounts, that completely fixed my problem and my suspension is pretty stiff.

Cheers

93_Clubman
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Re: NC power hardtop noise

Postby 93_Clubman » Sat Feb 11, 2012 12:04 pm

Some of the Mazda Technical Service Bulletins from 1/26/06 onwards also provide info: http://www.miata.net/garage/tsb/

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Noddycar
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Re: NC power hardtop noise

Postby Noddycar » Sat Feb 11, 2012 3:03 pm

Thanks for the responses.... It is a minor annoyance, but it is still an annoyance regardless :D

It has only done 9500 km, so Mazda obviously have not engineered them terribly well. Having said that, it is a hell of a lot quieter than the soft top on my NA. The noise seems to get a bit worse after "spirited" driving or sitting in the sun. Will have a look at the mounts to see how much they have worn, but it would be a poor reflection on Mazda to see a lot of wear in a vehicle with such low km's on it.
1993 MX-5 Limited Edition - my original Noddy Car
2010 Roadster Coupe Sport - the more civilised (but still fun) daily driver

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Noddycar
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Re: NC power hardtop noise

Postby Noddycar » Sat Feb 11, 2012 3:10 pm

BTW, this is a definite "thunk", not a rattle...... you could also call it a "thump" or a "bang", but I am sure you get the idea!
1993 MX-5 Limited Edition - my original Noddy Car
2010 Roadster Coupe Sport - the more civilised (but still fun) daily driver

LuckyCat
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Re: NC power hardtop noise

Postby LuckyCat » Fri Feb 17, 2012 2:16 pm

Hi
I believe Wheels magazine identified this, more so with the top down. They called it "scuttle shake" would that be it?

I have an NC2 that makes a noise too, but only now and then...it's got 14000km on it.

Happens when you go over things a certain way.

chris

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Noddycar
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Re: NC power hardtop noise

Postby Noddycar » Fri Feb 17, 2012 3:19 pm

Yup - basically always does it when driving over bumps at an angle, it even happens when crawling over my kerb into my driveway. Not a big deal, just a minor niggle in an otherwise sensational car. It is just strange to hear thumping noises coming from a near new vehicle. They are near impossible to pin down, as mostly it sounds like the front of the hardtop, but sometimes also from the rear.
1993 MX-5 Limited Edition - my original Noddy Car
2010 Roadster Coupe Sport - the more civilised (but still fun) daily driver

deanb90
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Re: NC power hardtop noise

Postby deanb90 » Sun Feb 19, 2012 6:37 pm

^ did you try what i suggested?

crum
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Re: NC power hardtop noise

Postby crum » Sun Feb 19, 2012 7:16 pm

I recommend following the above members instructions. Worked wonders for my roof noise.

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Noddycar
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Re: NC power hardtop noise

Postby Noddycar » Fri Feb 24, 2012 3:12 pm

Hi. Haven't had an opportunity yet, as I had a quick stay in hospital. I am taking it easy for a few days yet, then will have a look at this. Thanks for the suggestions everyone - I will get around to fixing it soon!
1993 MX-5 Limited Edition - my original Noddy Car
2010 Roadster Coupe Sport - the more civilised (but still fun) daily driver

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taminga16
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Re: NC power hardtop noise

Postby taminga16 » Fri Feb 24, 2012 10:07 pm

Noddycar wrote:Hi. Haven't had an opportunity yet, as I had a quick stay in hospital. I am taking it easy for a few days yet, then will have a look at this. Thanks for the suggestions everyone - I will get around to fixing it soon!

Hope that you are well, I keep a Vaseline Lip Balm in my centre seat cuddy (it may melt in the console) and apply a little when I need it, clean the sockets before application to avoid a messy build up.
Greg.
When you turn your car on, does it return the favour?

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Noddycar
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Re: NC power hardtop noise

Postby Noddycar » Fri Feb 24, 2012 10:16 pm

Yep, all is well - just a little sore. Volunteered my nose for some surgery, as I could barely breathe through the damn thing. Getting my face re-arranged playing footy when younger finally caught up with me.

The lip balm would be really helpful now, as I can only breathe through my mouth! Good for the car as well.... Definitely will give these fixes a try, but every time I start moving I start bleeding, so might hold off for a week or so.
1993 MX-5 Limited Edition - my original Noddy Car
2010 Roadster Coupe Sport - the more civilised (but still fun) daily driver


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