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samka

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About samka

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    Member

Profile Fields

  • Porsche Club
    No
  • Present cars
    Boxster 2.5 1998
  • Future cars
    C4S cab 2006
  • Former cars
    Nissan 200SX
    Volvo 360GLS
  1. The car has done 1150 miles. The sound was there from the start. It is pretty quiet but irritating. No problem with oil level or oil pressure. I think it is more of a quiet vibration than a ticking, at 3000rpm and again at about 4500rpm. I wonder if it is anything to do with the sports exhaust. It occurs whether the sports exhaust is switched off or on. Having said that, I hear a very similar sound in my 2.5L Boxster 986 which is 7 years old and has no sports exhaust. As for breaking in - yes I was quite gentle with it. Unlike USA where I think the advice is below 4200rpm for first 2000miles, in UK Porsche gives no specific advice. I kept below 4200 to 500miles, below 5000 to 1000miles and am still below 5500prm. I also allow the engine and oil to warm up fully before increasing the revs and vary the engine speed regularly. Just one more thought... It's a cab with a fitted hard top, which I haven't yet removed. I just wonder if removing it might make any difference... Any advice is appreciated ! :beer:
  2. I am trying to figure out the cause of a ticking/vibrating sound from the engine. I have a 2006 997 C4S tip cab. The sound occurs at 3000 rpm and continues if I stay at that engine speed. It then seems to disappear at a higher speed, only to return at about 4500-5000 rpm. Sometimes it is if the engine is cold, other times it is when the engine is well warmed up. My 986 Boxster sometimes makes a similar quieter sound at around 3000 rpm. Is it to do with some valves or tappets? Could it be a chain? Someone told me it may be the oil pressure release valve. Should I take it in for checking - is an adjustment needed? :help: Thanks very much for an excellent forum
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