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07-22-2020, 10:08 AM | #1 |
I've made a post!
Drives: 2018 Yaris LE Join Date: Jul 2020
Location: BC Canada
Posts: 1
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2018 Yaris Chirp on Startup
Hi,
thanks for letting me sign up to the forum. When turning the engine over my 2018 Yaris chirps for not even a second. It doesn't happen all the time. Is that common for Yaris'? My OCD can't handle it!! I was going to wait for the next oil change to get it checked. It seems too big of a deal to just make an appointment at the dealer for it. Thanks!! |
07-22-2020, 10:37 AM | #2 |
Kuljettaja
Drives: 2013 Yaris LE Join Date: Jul 2020
Location: Manitoba
Posts: 7
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Same problem
My Yaris actually does this too . The chirp used to be a lot worse and went on for about 10 seconds before stopping but has been reduced to this very short chirp after I changed the alternator and fan belt. The belt is as tight as it should be.
I don't recall any chirps when my Yaris was 2 years old. |
07-22-2020, 11:43 AM | #3 |
Drives: 06 Polar White 5dr, 13 Soul 4u Join Date: Oct 2008
Location: Georgetown, Ontario, Canada
Posts: 5,739
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Time to tighten the serpentine belt a bit.
__________________
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07-23-2020, 04:22 PM | #4 |
Drives: 2009 yaris Join Date: Feb 2016
Location: poughkeepsie ny
Posts: 46
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My 2009 did that for over a month straight, but has stopped now for about a week. I was scared that it was too much of a metal sound, like a pulley or engine bearing being run without lubrication. Quick chirp, just like the OP states, right at startup. Mine was at the first startup of the day or after like 8 hours. My belt seems fine though. I didn't do anything to it.
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07-24-2020, 06:22 AM | #5 |
When starting the engine, make sure you turn the ignition key to position 1, wait a sec or two, and then go to position 2. When you go straight from 0 to 2 it may chirp.
I assume it has something to do with the computer that needs that 1 extra second to readjust the alternator excitation current - basically to offload the alternator to make the starter life easier. |
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