Head problems

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  • ckarsonkidd
    E30 Addict
    • Jul 2011
    • 446

    #1

    Head problems

    okay guys i was driving to work today and when i was almost to work i started to hear a weird noise like a rod or something ringing or knocking i should say im thinking i fucked something up bad but car drives fine just when i go above 2500rpm it makes the noise thru 1to4th gear very concerned. please help me find the problem or shoot me some maybes thanks guys
    sigpic
  • ckarsonkidd
    E30 Addict
    • Jul 2011
    • 446

    #2


    sounds kinda just like this
    sigpic

    Comment

    • Cabriolet
      R3V OG
      • Apr 2010
      • 9620

      #3
      When was the timing belt tensioner changed?

      also check and see if your cam is being lubricated

      now that i listened to it with my home audio. im gonna go with bearings. best of luck
      Last edited by Cabriolet; 07-05-2012, 08:54 PM.
      Much wow
      I hate 4 doors

      Comment

      • ckarsonkidd
        E30 Addict
        • Jul 2011
        • 446

        #4
        i dont remember im looking thru the last owners paperwork he gave me.
        thanks for the feedback
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        • lcoleman
          Grease Monkey
          • Jan 2009
          • 331

          #5
          Check your valve adjustment. Maybe you'll get lucky and one just came loose. You need to pull the valve cover and look at the very least before driving it again, IMO.

          Comment

          • sayed ali
            Mod Crazy
            • Jan 2012
            • 762

            #6
            bearings


            M20B28 Turbo

            My Build Thread

            http://www.r3vlimited.com/board/showthread.php?t=255839

            Comment

            • 5Toes
              Banned
              • May 2010
              • 9836

              #7
              My motor made a similar noise tot hat right at 2k... then it turned into this after a week or two

              Comment

              • ckarsonkidd
                E30 Addict
                • Jul 2011
                • 446

                #8
                Yeah I check under my valve cover with my brother and we looked and everything seems to be fine. But that noise sounds horrible
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                Comment

                • ckarsonkidd
                  E30 Addict
                  • Jul 2011
                  • 446

                  #9
                  @5toes yeah mine sounds just like that but it only makes that noise when I crank the motor
                  sigpic

                  Comment

                  • Jaxx_
                    E30 Mastermind
                    • Dec 2009
                    • 1880

                    #10
                    i say spun bearing
                    '84 318i M10B18 147- Safari Beige
                    NA: 93whp/90ftlbs, MS2E w/ LC, 2-Step
                    Turbo: 221whp/214ftlbs, MS3x flex @ 17psi

                    Comment

                    • bddog
                      Grease Monkey
                      • Feb 2004
                      • 351

                      #11
                      Take a stick (broom handle) Place it up against the block and to your ear. You can determine which piston is slapping. Up and down the valve cover and you can determine when there is a bad valve, broken rocker, etc..

                      Comment

                      • ckarsonkidd
                        E30 Addict
                        • Jul 2011
                        • 446

                        #12
                        thanks guys im going to work on it tonight finally have some spare time to get under the hood.
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