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Hi, I have a N52B25 325 E92
I have got the ticking/tapping sound too.
Further to that, when I accelerate, there is about 1 sec length of rapid ticking/tapping sound....it is like "tak tak tak tak..."
Does anyone know what might be the problem?
I have checked online and it could be spark knock? Rob bearing? Heat shield? Pulley?
I really want to know before any serious damage to the engine...
Thanks.
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