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11-05-2015, 11:27 PM | #1 |
Drives: 2007 Yaris LB Join Date: Aug 2009
Location: Bolivar
Posts: 13
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Knocking/Scratching Noise (with video!)
A few weeks ago my Yaris started making a knocking (maybe scratching) noise. It's becoming way more consistent and way more pronounced. Now I'm nervous (ok embarrassed) to drive it.
Does this sound familiar to anyone? https://youtu.be/8NqYlSJ6550
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Keith, 2007 Yaris Liftback YouTube: Keith's Test Garage | http://www.KeithsTestGarage.com |
11-06-2015, 07:07 AM | #2 |
It's the illusion you see
Drives: 07 Yaris Sedan Aero Join Date: Oct 2006
Location: Brossard, QC
Posts: 3,888
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The noise changes with the throttle right? Could be the water pump
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11-06-2015, 08:27 AM | #3 |
Drives: '08 2zr swapped Vios M/T Join Date: Oct 2012
Location: Caledonia Ont.
Posts: 2,938
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Without hearing th noise I can almost guarantee it's the water pump. The noise should match the Rev changes. Just sit your car idle and have someone push the accelerator a few times, the noise should change with it.
When my Echo's wp went at 310,000km a it did was make a brutal warble like scratching noise. No leaking a all. I changed it because the last think I need is the bearing and other metal pieces to disintegrate into the cooling system. Ever since the change i've had no issue an it's been over 50,000km since the change
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11-06-2015, 01:21 PM | #4 |
Drives: Thndr cl metallic HB 3 drs '05 Join Date: Mar 2006
Location: Panama City, Panama
Posts: 795
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yeah, sounds like water pump. If you want to make sure the noise is not coming from inside the engine, remove the belt and start the engine. My water pump made a very similar noise when it was dead
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11-06-2015, 03:20 PM | #5 |
Drives: 2014 Yaris SE Join Date: Apr 2014
Location: NYC
Posts: 1,076
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