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  • Strange noise at 225F

    Riding home today I was stuck in traffic. The traffic just started going when my temperature reached 225F and a strange noise (definitely not normal) started coming from the front. I would say it was probably the fan but it was changing with the rev of the engine. Noise went away when the temp went down. I don't think I have ever heard my fans coming on before but there is definitely a problem if the noise was coming from them (though why would it change with the rpm?) Any ideas? Thanks!
    vas

  • #2
    Re: Strange noise at 225F

    Odd. Battery low? Fan motor bearing about to fail?
    It's about control skill; this is a motorized dance for joy and not Russian roulette.

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    • #3
      Re: Strange noise at 225F


      225F is when the fans come on. It would be a fan you can hear.
      "I spent most of my money on Scotch, women and cigarettes. The rest I just wasted"

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      • #4
        Re: Strange noise at 225F

        Did you look to see if anything was near the fan itself? Could be something rubbing against the blades?
        http://tl1000rmods.blogspot.com/

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        • #5
          Re: Strange noise at 225F

          You could be right. There's plenty who have somehow got dings in their cowlings that can even stop the fan from turning and then a fuse will pop.
          "I spent most of my money on Scotch, women and cigarettes. The rest I just wasted"

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          • #6
            Re: Strange noise at 225F

            All of them. It's definitely something to do with the fans. Time to go take a good look at them.
            "The rifle itself has no moral stature, since it has no will of its own. Naturally, it may be used by evil men for evil purposes, but there are more good men than evil, and while the latter cannot be persuaded to the path of righteousness by propaganda, they can certainly be corrected by good men with rifles."

            Colonel Jeff Cooper, in "The Art of the Rifle"

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            • #7
              Re: Strange noise at 225F

              fans hitting on the cowl.
              .sigpic
              "Use the present, create the future" -Pablo.

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              • #8
                Re: Strange noise at 225F

                Thanks guys I'll have a look this weekend. Though I still don't understand the RPM dependence...
                vas

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                • #9
                  Re: Strange noise at 225F

                  The RPM dependence might be the excessive current the fan is drawing because it's fowling, as the engine RPM increase so does the voltage out of the regulator causing the fan to spin faster? :dunno
                  "I spent most of my money on Scotch, women and cigarettes. The rest I just wasted"

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                  • #10
                    Re: Strange noise at 225F

                    Originally posted by Steve TLS View Post
                    The RPM dependence might be the excessive current the fan is drawing because it's fowling,
                    Wow, the fan is producing birds?! I'd have kept mine if I knew it could do that.
                    "The rifle itself has no moral stature, since it has no will of its own. Naturally, it may be used by evil men for evil purposes, but there are more good men than evil, and while the latter cannot be persuaded to the path of righteousness by propaganda, they can certainly be corrected by good men with rifles."

                    Colonel Jeff Cooper, in "The Art of the Rifle"

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                    • #11
                      Re: Strange noise at 225F



                      I started reading the reply in my email and made a bet with myself, and I won. I bet it was Jeff that picked it up.

                      It might be going cheep cheep, or bock bock or something
                      "I spent most of my money on Scotch, women and cigarettes. The rest I just wasted"

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                      • #12
                        Re: Strange noise at 225F

                        No thanks necessary, sir. Just doing my job...
                        "The rifle itself has no moral stature, since it has no will of its own. Naturally, it may be used by evil men for evil purposes, but there are more good men than evil, and while the latter cannot be persuaded to the path of righteousness by propaganda, they can certainly be corrected by good men with rifles."

                        Colonel Jeff Cooper, in "The Art of the Rifle"

                        Comment


                        • #13
                          Re: Strange noise at 225F

                          Originally posted by Steve TLS View Post


                          I started reading the reply in my email and made a bet with myself, and I won. I bet it was Jeff that picked it up.

                          It might be going cheep cheep, or bock bock or something
                          EVERYtime i bet with myself i win

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                          • #14
                            Re: Strange noise at 225F

                            might also be rad. mounting or movement need looking into...
                            age is a state of mind
                            sigpic [IMG]
                            ZG dble bbl, ss lines 6pots,Pazzo shorties ROCK!, Penske rear shock Lindman re-worked forks,custom (by me) dual HID Xenon Hi/Lo projectors Ultra-Violet halo's, LED sigs & plate lights, E G hugger,P M cyclone wheels, Rifleman 1/5 throttle,Van's Billet CCC, Galfer wavies, 6spring clutch Van's mod II Clutch plate, PCIII, speedo healer, and more...

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                            • #15
                              Re: Strange noise at 225F

                              another thought i had was possbily.... Crap fuel.. allowing detonation to start happening when the motor gets near hot, that would follow with rpm and Loading of the motor. It shuould not be doing it.. but.... a micro possiblity.... I am guessin the guys are right with the fan having an issue..

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