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Discussion Starter · #1 · (Edited)
i have 2006 s60 t5 128000km and when its engine gets hot than sometimes engine is knocking.. we connected to service computer and no problem found. but it is knocking.

we changed

sparks
bobbins
crank shaft sensor

and nothing changes, still knocking when hots..

can anybody help me?
 

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check timing belt marks and vacuum hoses... use 93 or 91 fuel

open charge tube and check for oil.. could be sludging up the intercooler
 

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are you sure it's knocking?

could be a manifold gasket leak, or a worn mount that makes a knocking sound when the engine vibrates, or even faulty knock sensors?
 

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Yasino, there something you need to check, do a really good inspection on the pcv system, and the banjo bolt on the manifold. I few years ago i did have that problem at full boost, the engine knocking(pinging) was horrible, we checked everything and nothing found. I did a check and found that my banjo bold was complety sealed, making my oil pressure on the head going back and making my car ping. You must check that too.

 
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