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Old 11-03-2023, 07:03 PM   #1
Binks
 
Drives: 2006 Yaris
Join Date: Nov 2020
Location: Vancouver
Posts: 9
Inconsistent engine (?) rattle

Hey yall,

I've got a fairly high mileage yaris (322k kms) that has a rattle on most but not all cold starts. Sometimes it doesn't happen at all though and it doesn't seem to matter if the weather is cold or hot.

It goes up with rpm and my guess is that maybe the timing chain tensioner isn't working great but sometimes it does its job and doesn't let it rattle on a cold start.

Just wondering if anyone has any input on the issue,

Thanks!
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Old 11-03-2023, 08:43 PM   #2
CrimsonEclipse
 
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Join Date: Mar 2019
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Posts: 88
I'd check the heat shield first.
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Old 11-03-2023, 09:22 PM   #3
Binks
 
Drives: 2006 Yaris
Join Date: Nov 2020
Location: Vancouver
Posts: 9
I'll do that, thank you. Didn't sound tinny or anything like that to me so I kinda auto ruled that out
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Old 11-04-2023, 05:00 PM   #4
Binks
 
Drives: 2006 Yaris
Join Date: Nov 2020
Location: Vancouver
Posts: 9
Checked the exhaust manifolds heat shield and it's rock solid on there
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