2nd Gen R56 Cooper S Most liked posts in thread: Odd tapping noise

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  1. Apok

    Apok New Member

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    #19 Apok, Mar 20, 2014
    Ah ha! There we go. This will be most helpful!
     
  2. eMINIparts

    eMINIparts Well-Known Member
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    #20 eMINIparts, Mar 20, 2014
  3. Metalman

    Metalman Well-Known Member
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    #21 Metalman, Mar 20, 2014
    It's an important part and definitely not cheap.... You might want to have it verified as bad or going bad before spending the money (Best.... Dealer).... I hate to see money spent as a "Parts Replacement Procedure".....

    I'm sure Bentley was a test procedure..... Probably a simple vacuum gauge....

    Have you noticed the brakes didn't have the same assist?
     
  4. eMINIparts

    eMINIparts Well-Known Member
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    #22 eMINIparts, Mar 20, 2014
    Diffinantly stop driving it and get that checked out...When that vaccum pump goes it can cause a world of problems....
     
  5. Crashton

    Crashton Club Coordinator

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    #23 Crashton, Mar 20, 2014
    ^^^ If the pump locks up the exhaust cam stops. The engine runs until the pistons hit the valves. In short the engine becomes junk in an instant.
     
  6. Apok

    Apok New Member

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    #24 Apok, Mar 20, 2014
    Everything seems to be working properly. Brakes are working perfectly, no power loss or anything like that. Now I do seem to hit a rough spot in the idle every so often, and then there is the tapping.

    It just can't be easy can it??
     
  7. Crashton

    Crashton Club Coordinator

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    #26 Crashton, Mar 20, 2014
    I have read of a couple of cases of a seized vacuum pump causing total borkage of the engine. Not a common problem, but a huge one if it happens to you. Timing chain & tensioner on one end of the cam & vacuum pump on the other. Possibly related.
     
  8. Apok

    Apok New Member

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    #27 Apok, Mar 20, 2014
    Its not a constant thing, just a slight shudder in the idle from time to time, the rpms barely drop and then it evens back out and runs like normal.
     
  9. Apok

    Apok New Member

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    #28 Apok, Mar 20, 2014
    Talked to one of the guys at Best Motor Works, and he said they have never had to replace one for being noisy but normally for leaking oil. He said to call back tomorrow afternoon to see if they can fit me in for a quick look see tomorrow after work.

    I made a recording of the noise, but I can't attach from my phone.
     
  10. Crashton

    Crashton Club Coordinator

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    #29 Crashton, Mar 20, 2014
    John & Anson can help you out. Both are accomplished wrenches. :Thumbsup: I'm glad to hear you are getting this looked into.
     
  11. Crashton

    Crashton Club Coordinator

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    #31 Crashton, Mar 21, 2014
    Glad they helped you out. Great folks there at Best.
     
  12. Copperknob

    Copperknob New Member

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    #32 Copperknob, Apr 4, 2014
    I have a 07 cooper S and had the chains replaced like 3 times all under wro. I still have to tap some but all is fine. So I have given up on my noise but it could be the chains. I would look into them and the oil pump could be noisy too
     
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