Ignition sound/rattle at low RPM's

Tiny
CSANISHA
  • MEMBER
  • 2004 TOYOTA VIOS
  • 1.3L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
Hi,

My car listed above is a Toyota IST 1.3CC VVTI. (NCP60).
it has small rattling/ ignition sound at low rpm's. It is not regularly happened but. I notice it sounds when gear shifts with low rpm's. When at highway speed of 100 kmph, it comes. Same stage if overdrive off. No sound noticed.
And also I have notice A/C clutch gives some horrible sound. I have asked mechanic to check and he has tied up the belts. Now less A/C clutch sound comes different speeds.

Is the A/C clutch sound is the reason for ignition sound or all these are two related things.

I have checked VVTI solenoid and engine sludge. All are clear.

Thanks.
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Friday, July 10th, 2020 AT 9:44 AM

1 Reply

Tiny
ASEMASTER6371
  • EXPERT
Good morning,

Can you upload a video of the noise so I can hear what you hear?

There are so many places noises can come from. That is why it would be best fro me to hear the noise.

https://www.2carpros.com/articles/engine-noises

Roy
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Friday, July 10th, 2020 AT 10:39 AM

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