Question about Mazda MX-5 Miata

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Grinding noise over 30 mph

When I reach 30-35 mph theres a loud grinding sound from the drivers side. The speedometer then jumps to around 50-60 mph while the car still only going 30-40 mph.When the vehicle stops moving the sound goes away until I reach 35 mph again

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  • crzyyak
    crzyyak Oct 12, 2013

    After changing the oil the speed-o-meter behaved normally and I haven't had problems with it since. No idea why this fixed it

  • crzyyak
    crzyyak Oct 12, 2013

    I'm not sure why but the problem resolved it self. speed-o-meter has been behaving normally and there's no grinding sound

  • Anonymous Mar 18, 2014

    jewel mania,level 50 isnt it supposed to be 60 moves?why do i get only 35

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  • Contributor
  • 21 Answers

You would have to find out where the speedomator wire/cable
connects
heres some idea

there is a gear at the end of a speedomator cable

try this 1st hit me back if this dosent work

Posted on Nov 01, 2012

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6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: Speedometer Gauge Slipping - Inaccurate Reading

I had a car that did this to me. It started happening last year so I took it in and they were baffled. Lesson learned never take a car to a big chain store for a difficult diagnosis.They just told me to let my car warm up for 5 minutes and it would be fine. If I let it warm up it was good. This winter it started doing it again but it would do it all the time even after I let it warm up. I never bothered bringing it in again because it was dieing. If you are truly concerned take it into a mechanic ( a good one) and have them diagnose it. Your spedometer cable could just be wearing out.

Posted on Jan 19, 2009

pittmanc
  • 194 Answers

SOURCE: humming sound

did you resently change tires if you did it might be the tire making the sund witch is not a problem and if you havent then you might have a low tire check pressure

Posted on Dec 07, 2008

  • 12 Answers

SOURCE: 2003 300M, vehicle "jerks" when slowing to 30 mph

If you just had a trans service.the CVI's in the trans controller will need to be reset.

Posted on Apr 11, 2009

cadman000
  • 607 Answers

SOURCE: There is a loud noise at 45mph.

Find a quiet empty stretch of road. Go 50 mph, put the trans in NEUTRAL and shut the engine. If noise is still there, swing car left and right to detect noise differences. Could be hub or axle bearings. Not engine or trans if noise is still there. Hope this helps

Posted on May 05, 2009

  • 66 Answers

SOURCE: 2002 Chevy Astro van front end makes grinding noise

sounds like a possible wheel bearing issue or brake pad issue!!! i would definatly have this looked at, but in the meantime, make sure that it isnt just a backing plate contacting the rotor ...hope this was helpful!!

Posted on Jul 09, 2009

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