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12-12-2017, 08:46 PM
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#13 |
  
Drives: '08 2zr swapped Vios M/T Join Date: Oct 2012
Location: Caledonia Ont.
Posts: 2,938
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Just a symptom of excess clearance in the cylinder causing the cold piston skirt to slap the cylinder wall. Once warmed up the metals get larger and it goes away.
Cars can have it for well over 5 years and drive fine. You'll just have less compression when cold and increased blow by. If you had it had you would have a much more urgent thread and you would likely be more concerned due to the loud noise. Drive the car as you normally would and enjoy it for many years to come
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