Bad Vibrations

by **Midlifecrisis** » Wed, 06 Aug 2008 12:02 +0000

Have been using the 5 for last few weeks as main car got pranged (by my brother-in-law, while I was on hols). Anyway, this morning on way to work got woefull shudder, which felt like a puncture. Stopped, checked around & all ok with wheels/tyres. Resumed journey, only to have it start again after about 15 mins - seems to kick in only with accelaration and/or over 90kph.
Any suggestions (Leading to concern at sunday participation...

)

by **leamyj** » Wed, 06 Aug 2008 12:44 +0000

Shocks??

by **sspecdave** » Wed, 06 Aug 2008 3:22 +0000

Might be worth getting your wheels balanced if ya cant see anything obivious :!:

by **Steve** » Wed, 06 Aug 2008 4:57 +0000

heh the "65mph shimmy" ;-)

I have it again too.. got rid of it years ago, but its back... can be caused by a combination of things.. usually stuff like :
Tyre pressures, Tyre balancing, Bracing helps (under gearbox, between seatbelt towers, between rear suspension), etc

see here for more detail :
http://www.miata.net/garage/65_mph.html

by **Reesy** » Wed, 06 Aug 2008 5:07 +0000

Hi,

I had the 60mph shimmy, caused by deformed tyres (it had been left standing for months B4 I bought it). However if you get it with acceleration below that speed, I'm thinking that it's perhaps not related to the tyres/wheels.

Funny story - I found out about the shimmy when I was in the UK, and when I took the car into kwik-fit in Preston, the guy asked me, in his broad Lancashire accent "duthey not 'ave kwik-fit in Ireland, then?"

Not the sharpest tools in the shed, some of these guys!

Simon

by **fabfiveferg** » Wed, 06 Aug 2008 6:26 +0000

Yeah suffering with that myself at the moment. it's feckin frustrating.

Must get the wheels balanced and see if that helps

by **Midlifecrisis** » Tue, 02 Sep 2008 11:52 +0000

Problem is drive-shaft. Was diagnosed in the pub by two independent experts!

by **Stig** » Tue, 02 Sep 2008 3:45 +0000

Midlifecrisis wrote:Problem is drive-shaft. Was diagnosed in the pub by two independent experts!

Ahhhhhh, it must be true so :lol:

by **Midlifecrisis** » Mon, 16 Feb 2009 1:42 +0000

This one again....have not had the shaft sorted, but hoped the problem would disappear miraculously in the garage over the winter :shock:

So anyway, went for quick spin yesterday, and lo-and-behold but didn't the whole world start a shakin' & a-shudderin again after about 10-15 mins - accompanied by intermittent burning smell :roll:

.
So headed back to base for inspection.... front right wheel almost white-hot!!! Methinks I have brake problems - minor eurica-moment (I'd had new discs fitted before this started happening but never made the connection).

by **Midlifecrisis** » Mon, 23 Feb 2009 4:06 +0000

Have now spoken about this with mechanic friend (who is also an MX owner)... sticky caliper or warped disk is the phone-diagnosis. Healthy/happy car is within sight....... bring on the outings!

by **Geese** » Tue, 24 Feb 2009 3:16 +0000

Easy to miss.... Check the wheels are centered and Tight.


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	Author Message Bad Vibrations by Midlifecrisis » Wed, 06 Aug 2008 12:02 +0000 Have been using the 5 for last few weeks as main car got pranged (by my brother-in-law, while I was on hols). Anyway, this morning on way to work got woefull shudder, which felt like a puncture. Stopped, checked around & all ok with wheels/tyres. Resumed journey, only to have it start again after about 15 mins - seems to kick in only with accelaration and/or over 90kph. Any suggestions (Leading to concern at sunday participation... ) Midlifecrisis * Posts: 256 Joined: Tue, 01 Apr 2008 4:54 +0000 Location: Co. Clare Top by leamyj » Wed, 06 Aug 2008 12:44 +0000 Shocks?? leamyj * Posts: 5230 Joined: Sat, 04 Aug 2007 2:19 +0000 Location: kildare Top by sspecdave » Wed, 06 Aug 2008 3:22 +0000 Might be worth getting your wheels balanced if ya cant see anything obivious sspecdave * Posts: 278 Joined: Mon, 30 Jul 2007 7:08 +0000 Location: Waterford Top by Steve » Wed, 06 Aug 2008 4:57 +0000 heh the "65mph shimmy" I have it again too.. got rid of it years ago, but its back... can be caused by a combination of things.. usually stuff like : Tyre pressures, Tyre balancing, Bracing helps (under gearbox, between seatbelt towers, between rear suspension), etc see here for more detail : http://www.miata.net/garage/65_mph.html Steve Site Admin Posts: 5526 Joined: Wed, 05 Mar 2008 10:16 +0000 Top by Reesy » Wed, 06 Aug 2008 5:07 +0000 Hi, I had the 60mph shimmy, caused by deformed tyres (it had been left standing for months B4 I bought it). However if you get it with acceleration below that speed, I'm thinking that it's perhaps not related to the tyres/wheels. Funny story - I found out about the shimmy when I was in the UK, and when I took the car into kwik-fit in Preston, the guy asked me, in his broad Lancashire accent "duthey not 'ave kwik-fit in Ireland, then?" Not the sharpest tools in the shed, some of these guys! Simon No more Mk1, now driving an '08 Mk3. Still fun! Reesy * Posts: 291 Joined: Thu, 02 Aug 2007 10:45 +0000 Top by fabfiveferg » Wed, 06 Aug 2008 6:26 +0000 Yeah suffering with that myself at the moment. it's feckin frustrating. Must get the wheels balanced and see if that helps fabfiveferg Posts: 777 Joined: Mon, 30 Jul 2007 10:42 +0000 Location: Dublin Top by Midlifecrisis » Tue, 02 Sep 2008 11:52 +0000 Problem is drive-shaft. Was diagnosed in the pub by two independent experts! Midlifecrisis * Posts: 256 Joined: Tue, 01 Apr 2008 4:54 +0000 Location: Co. Clare Top by Stig » Tue, 02 Sep 2008 3:45 +0000 Midlifecrisis wrote:Problem is drive-shaft. Was diagnosed in the pub by two independent experts! Ahhhhhh, it must be true so Stig *** Posts: 2419 Joined: Wed, 16 Apr 2008 12:22 +0000 Location: dn ʎɐʍ sıɥʇ Website Top by Midlifecrisis » Mon, 16 Feb 2009 1:42 +0000 This one again....have not had the shaft sorted, but hoped the problem would disappear miraculously in the garage over the winter So anyway, went for quick spin yesterday, and lo-and-behold but didn't the whole world start a shakin' & a-shudderin again after about 10-15 mins - accompanied by intermittent burning smell . So headed back to base for inspection.... front right wheel almost white-hot!!! Methinks I have brake problems - minor eurica-moment (I'd had new discs fitted before this started happening but never made the connection). Midlifecrisis * Posts: 256 Joined: Tue, 01 Apr 2008 4:54 +0000 Location: Co. Clare Top by Midlifecrisis » Mon, 23 Feb 2009 4:06 +0000 Have now spoken about this with mechanic friend (who is also an MX owner)... sticky caliper or warped disk is the phone-diagnosis. Healthy/happy car is within sight....... bring on the outings! Midlifecrisis * Posts: 256 Joined: Tue, 01 Apr 2008 4:54 +0000 Location: Co. Clare Top by Geese » Tue, 24 Feb 2009 3:16 +0000 Easy to miss.... Check the wheels are centered and Tight. Geese * Posts: 271 Joined: Tue, 16 Sep 2008 11:16 +0000 Location: South Dublin/ North Wicklow Top


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