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#1 |
![]() ![]() Drives: 07 yaris Join Date: Dec 2016
Location: Newfoundland
Posts: 99
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Ticking under acceleration?
My yaris has been ticking the last few months. Happens when accelerating. Is this do to needing a valve adjustment? I dont think it's the manifolds as it doesn't go away after the car warms up and I can't see any exhaust fumes leaking from the manifold.
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#2 |
![]() ![]() ![]() Drives: yaris 2009 Join Date: Nov 2014
Location: greece
Posts: 330
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Timing chain ?
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#3 |
![]() ![]() ![]() Drives: 2005 Toyota Echo Join Date: Sep 2010
Location: Hamilton, Canada
Posts: 259
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It is very common for the gasket between the manifold and the downpipe to start leaking. It usually makes the most noise on acceleration when it goes
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05' Echo Hatch - Greddy Supercharger - rear disc |
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#4 |
![]() ![]() Drives: 07 yaris Join Date: Dec 2016
Location: Newfoundland
Posts: 99
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Wouldn't that make the car louder? Or am I incorrect. I always thought that ticking with exhaust leaks usually went away after the motor warmer up?
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#5 | |
![]() ![]() ![]() Drives: 2005 Toyota Echo Join Date: Sep 2010
Location: Hamilton, Canada
Posts: 259
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Quote:
Sometimes leaks in the manifold itself will go away/be less noticeable when hot...but most other leaks (rotted pipe, gasket leaks, etc) will stay the same when warmed up
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05' Echo Hatch - Greddy Supercharger - rear disc |
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#6 |
![]() ![]() ![]() ![]() ![]() Drives: Decepticon - Ravage Join Date: Nov 2008
Location: San Francisco
Posts: 1,462
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Is it definitively different than rattlling? Things to double check is possible loose heat shield that when you accelerate cuz the exhaust does move a little. Maybe the Cat or Resonator. Does the ticks get more in frequency as you accelerate more and more? or just the same. How about neutral cruising.
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#7 |
![]() ![]() Drives: 07 yaris Join Date: Dec 2016
Location: Newfoundland
Posts: 99
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Just cruising along it's fine no ticking but soon as I accelerate the ticking starts. It's a consistent tick as well, doesn't get louder/quieter. I'm puzzled as where to start to look and dont want to spend repair bills on things that aren't in need of repair
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#8 |
Banned
Drives: 2015 Yaris LE 3door 1F7 Join Date: Feb 2017
Location: Massachusetts
Posts: 963
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if its a tapping noise its your valves. you can hear the engine ticking naturally with sensitive ears because the engine is so tiny and theres not alot of NVH dampening.
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#9 |
![]() ![]() Drives: 07 yaris Join Date: Dec 2016
Location: Newfoundland
Posts: 99
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Its definitely not a normal sound as it only started a couple months ago, its very noticeable.
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#10 |
Banned
Drives: 2015 Yaris LE 3door 1F7 Join Date: Feb 2017
Location: Massachusetts
Posts: 963
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#11 |
![]() Drives: toyota yaris RS Join Date: Jun 2021
Location: Canada
Posts: 37
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maybe valve lash..
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#12 |
![]() ![]() ![]() Drives: 08 Yaris 3 Door Hatchback Join Date: Aug 2019
Location: ‘Murica!
Posts: 446
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You sure you don't have a pebble in one of your tire's grooves?
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#13 |
![]() ![]() ![]() ![]() ![]() ![]() Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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The same noise was made by my car. Noisy on acceleration quiet while cruising. It was the gasket between the end of the exhaust pipe near the engine and the exhaust manifold. New gasket no noise!
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