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Input shaft bearing

Discussion in 'General' started by John Cingel, Oct 15, 2017.

  1. John Cingel

    John Cingel Member

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    Well all my work in the primary is finished and the whirring noise comming from there still exist. It seem better than it was but still there. My new question is dose the transmission need to come out to replace the input bearing? Or can I change it by pulling the primary apart again.
     
  2. PROFLYER

    PROFLYER SWOLE

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    I'm pretty sure you have to pull the tranny as it is pressed in. @KaptinAmerika might know, I think he was rebuilding them and might still be. Is there play in it? Are you SURE it's the tranny? Not the belt or a pulley or the heads/cam...could be a lot of things. Hate to see you throw parts at it.
     
    Forsaken likes this.
  3. John Cingel

    John Cingel Member

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    I'm pretty sure its the bearing on the input shaft. I had the primary apart over the weekend replacing the clutch basket , clutch hub & hub bearing. I also replaced the clutch pushrod. While everything was apart I was spinning the input shaft and could hear a slight intermittent grinding. I put everything back together and the noise is still there. It's better than it was but still there. It's a whirring noise. When in neutral there is no noise. When you pull the clutch it starts whirring. It is also there on decell every time you shift down a gear it seems to get louder. The throw out bearing was replaced also. It's getting a little late in the season for me to be pulling the trans. I'll probably be putting it up for the winter within the next month. I guess it will be a project for the spring.
     
  4. Jwooky

    Jwooky Well-Known Member

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    Was there any movement from the main shaft?
     
  5. John Cingel

    John Cingel Member

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    No play side to side just a grinding noise.
     
  6. Mr. Wright

    Mr. Wright Guru
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    Double check your upper motor mount bolt
     
    TapioK and SKOGDOG like this.
  7. TapioK

    TapioK Well-Known Member
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    You don’t happen to have a plunger (push button) on your solenoid?
     
  8. John Cingel

    John Cingel Member

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    Motor mount is good and there isn't a button on solenoid.
     
  9. BWG56

    BWG56 Guru

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    If you replace the bearing in the tranny housing you really should have the puller tool made to to pull the bearing, some have tried in the past to press it out and they broke the tranny housing, that's an expensive mistake.
     
  10. cdogg556

    cdogg556 Guru

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    I just had a similar noise coming from my primary before changing the pressure plate, throwout bearing, spring and the tensioner pad, adjusted the chain which had about 1-1/2" of slack in it, put it all together and no more noise, personally I think it was the throwout bearing cause it only did it when I pulled in the clutch.
     
    chubs likes this.

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