Engine Noise: Raspy/ticky sound @ ~2800rpm - Mazda MX-6 Forum
 
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post #1 of 14 (permalink) Old 1-17-13, 22:22 Thread Starter

 
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Engine Noise: Raspy/ticky sound @ ~2800rpm

Hi All

Like the title says Engine Noise: Raspy/sound @ ~2800rpm.

This has happened every since I got the car, and I've also noticed it for the many years my Grandmother had it. And its seem to have gotten more noticeable once the new headers and catback were installed. Car is in excellent shape, no leaks in the exhaust, low mileage.

The sound ONLY ever happens on acceleration up to and around 2500-3000rpm. and I can hear it mainly from the passenger side. Once I hit cruising speed it just goes away until I accelerate again.

I went for a ride with Justin L tonight and his car DOESN'T have that sound. Even with his crappy ass old exhaust never heard it. (Now he has a new borla)

I still have the stock cat, and will be ordering a high flow tonight.

I looked at this link http://www.mx6.com/forums/2g-mx6-gen...e-2500rpm.html (Raspy noise at 2500rpm.)

They think it could be the cat? Its not rattling or anything.
Could it be any bearings where the belts are? don't think so.

I've included a sound clip to best help out. Thanks.


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post #2 of 14 (permalink) Old 1-18-13, 0:40
 
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Re: Engine Noise: Raspy/ticky sound @ ~2800rpm

Thank you for adding the (new borla) haha :-) dude I think it has something to do with the auto trans... possibly something with the difference in the axles? Or that your exhaust is still somehow hitting the cross member...

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post #3 of 14 (permalink) Old 1-18-13, 1:21

 
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Re: Engine Noise: Raspy/ticky sound @ ~2800rpm

Exhaust shields aka heat shields vibrating an creating resonance... that be my guess... that or your muffler bearings... they can be found right next to the blinker fluid.... if your low on that you can find it in the auto parts store next to the prop wash and alluminun magnets...

I am starting to get a laundry list of stuff done to my car. Does that make it fast? No! Does that mean i spent too much money on a toy? Maybe. Do i have fun every time i jump in my car and drive? Hell yes.
http://www.mx6.com/forums/garage/1005
http://www.mx6.com/forums/2g-mx6-gen...ld-thread.html
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post #4 of 14 (permalink) Old 1-18-13, 9:54 Thread Starter

 
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Heat shield.. interesting. Auto trans, deff not, its on the opposite side of the issue. Noise predates the new exhaust.... still hunting....

did check the blinker fluid and muffler bearings. Hamsters are in good shape.

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post #5 of 14 (permalink) Old 1-18-13, 12:11
 
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Get under the car and make sure that the exhaust isn't touching anything metal like the cross member. I hate a slight metalic vibration after getting the exhaust worked on and it was because the flexpipe was riding on top of the crossmember. This probably isn't what you've got because it's a different noise from you but IT'S JUST AN EXAMPLE of what to look for. Here's a video of me taking it back to the exhaust shop and how he fixed it.

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post #6 of 14 (permalink) Old 1-18-13, 13:27
 
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Re: Engine Noise: Raspy/ticky sound @ ~2800rpm

Resonator?
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post #7 of 14 (permalink) Old 1-18-13, 13:43 Thread Starter

 
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Nope, new one. Again - issue predated new exhaust system. I am leaning towards DJDevon and Friendsofdonr

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post #8 of 14 (permalink) Old 1-18-13, 17:46
 
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Re: Engine Noise: Raspy/ticky sound @ ~2800rpm

When I put in your new cat we will take a good thorough look see

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post #9 of 14 (permalink) Old 1-28-13, 1:20

 
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Re: Engine Noise: Raspy/ticky sound @ ~2800rpm

You ever get this figured out?

I am starting to get a laundry list of stuff done to my car. Does that make it fast? No! Does that mean i spent too much money on a toy? Maybe. Do i have fun every time i jump in my car and drive? Hell yes.
http://www.mx6.com/forums/garage/1005
http://www.mx6.com/forums/2g-mx6-gen...ld-thread.html
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post #10 of 14 (permalink) Old 1-28-13, 10:02 Thread Starter

 
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Not yet, cat is arriving tomorrow - should have it installed by the end of the week. Will get back.

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post #11 of 14 (permalink) Old 2-1-13, 17:48 Thread Starter

 
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Cat replaced, sound still there. Moving this thread to ProbeTalk for more exposure and better sound recordings

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post #12 of 14 (permalink) Old 2-6-13, 17:43 Thread Starter

 
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For the record to close this tread. It is the torque converter.

Its not failing for me, yet. But Automatics do make this sound

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post #13 of 14 (permalink) Old 2-6-13, 20:08
 
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Re: Engine Noise: Raspy/ticky sound @ ~2800rpm

Mtx.... COUGH....BETTER....COUGH.... ;-)

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post #14 of 14 (permalink) Old 2-7-13, 1:00
 
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sounds eerily similar to what my mx6 sounded like when the timing belt jumped a tooth... only in mid rpms.. but it was louder.
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