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Old 05-14-2018, 05:46 PM   #1
Drives: Yaris 07
Join Date: May 2018
Location: UK
Posts: 2
Engine Ticking Noise ?


Recently got my hands on a Yaris 07 Plate, but unfortunately, there's an ominous ticking or 'metallic clattering' in the engine bay, specifically the noise is coming below the sparks, originally thought it was the timing chain but I'm not too sure, It definitely doesn't sound right at all, Only does it while idling.

Anyone, know of a problem like this any hints or advice would be appreciated. Sound inside the car.
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Old 05-14-2018, 05:56 PM   #2
WeeYari's Avatar
Drives: 06 Polar White 5dr, 13 Soul 4u
Join Date: Oct 2008
Location: Georgetown, Ontario, Canada
Posts: 5,217
Hard to tell since don't know where mic has been placed for recording. If you are recording from inside the cabin, then would seem to be excessively loud. If in engine bay, then I'd hazard a guess at saying normal. The 1NZ is a loud engine with the timing chain and valves all ticking.

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Old 05-14-2018, 06:09 PM   #3
Drives: Yaris 07
Join Date: May 2018
Location: UK
Posts: 2
The mic was placed on the dash above the steering wheel, door shut, bonnet shut. engine running in neutral idling. Stepping out of the car it's louder and more annoying. Along with that, you can hear the exhaust flutter every so often. I've never heard/had a 3-cylinder make such a racket.

It doesn't affect the performance (I think), putting it in gear and driving stops the ticking.
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Old 05-15-2018, 07:25 PM   #4
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Drives: Yaris 06 - 5dr hatchback
Join Date: Aug 2015
Location: Birmingham, UK
Posts: 278
That is VERY loud. You could have a loose piece of exhaust heat shield? Normally mine ticks a bit and its a little loud when its cold but it doesn't sound like that and my engine is getting a little worn out. It really does sound to me like something might be broken.

Does it return at idle when the engine is hot or only when cold?
- Yaris 2006, 1.0, 5 door hatchback "Betty" - 160,000 miles
UK to Nordkapp in a Yaris
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