Mazda CX-3 Engineered with breakthrough SKYACTIV® TECHNOLOGY, the CX-3 subcompact crossover delivers unmatched driving dynamics right alongside outstanding fuel economy.

i-stop clunk noise when moving off?

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Old Nov 11, 2022 | 05:04 AM
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harryw66's Avatar
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From: Essex
Default i-stop clunk noise when moving off?

Hi all,
We have just purchased a 2018 Automatic CX-3 Petrol 2WD.
I am enjoying the handling and surprisingly nippy performance very much.

However, one thing that concerns me is a thump/clunk noise that I hear...

I brake at a traffic light or junction - the iStop engages and the engine goes off
When ready to move off, I release the footbrake.
The engine comes back on and around the same time as I move off, I can hear this clunk or thump.
Is this normal?

Our current/previous car is a Merc B180 which also has a similar stop/start feature and I don't hear any similar noise under the same circumstances.

Thanks in advance for any replies!
 
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Old Dec 10, 2022 | 07:35 AM
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helendenizer's Avatar
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From: Autopilot
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what oil brand do you use for brakes ?
 

Last edited by helendenizer; Dec 10, 2022 at 01:08 PM.
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Old Dec 10, 2022 | 08:51 AM
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harryw66's Avatar
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From: Essex
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Don't know - I only just purchased it - was serviced by Mazda's main dealer before purchase.
The sound is not too bad now - probably just due to the car being in storage for a while...
 
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