XJ XJ6 / XJ8 / XJR ( X350 & X358 ) 2003 - 2009

Engine knock at cold start

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Old Jun 13, 2016 | 10:11 AM
  #21  
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From: Perth Ontario Canada
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Originally Posted by clifton94
so adding a can of liquimoly is not going to hurt it but I know I will have too replace them at sometime
Current thinking is that excessively thick oil is what causes the VVT to stick in the first place so, yes, adding a can of liquidmoly might just hurt it.
 
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Old Jun 13, 2016 | 06:38 PM
  #22  
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Usually it's oil drains out over a few days and is left empty so takes a little time to refill
 
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