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Pulley problem. Can anyone help?

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    #1

    Pulley problem. Can anyone help?

    Im having a problem with my crank pulley. It keep wobbling and throwing my belts. went to check it and its just a bolt there. is there supposed to be a lock washer or something and if so would you happen to know what size of a washer i would need to buy? thank you in advance!
    Also the model is a 1991 honda accord EX
    Tags: None
    #2
    Is the bolt on tight? Does the entire pulley wobble or just the outside?

    Black Housing DIY 1991 Wagon Morimoto Retrofit
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      #3
      There is supposed to be a washer (not lock washer). OEM washer is about 1.7 inches outer diameter and 0.230 inches thick. Your bolt is probably bottoming in the hole in the crank before clamping the pulley. Hopefully it hasn't been that way for long and torn up the inside diameter of the pulley and outside diameter of the crank.
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        #4
        Originally posted by VictorSWI View Post
        Im having a problem with my crank pulley. It keep wobbling and throwing my belts. went to check it and its just a bolt there. is there supposed to be a lock washer or something and if so would you happen to know what size of a washer i would need to buy? thank you in advance!
        Also the model is a 1991 honda accord EX
        Are you sure that it's the centre of the pulley coming loose at the crank, and not the harmonic balancer mass separating from the centre of the pulley?
        Regards from Oz,
        John.

        Comment

          #5
          do you have a picture of the bolt that's in there? Typically the crank pulley is held on by a big bolt that has a captured washer permanently attached to it. If the washer isn't there, like said above, the bolt may be bottoming out in its hole before properly clamping down on the pulley, leading to a looseness/wobble. I'd suggest getting a replacement OEM bolt from the dealership or junkyard.... 90017-PT0-003

          Alternatively, the OP may just be incorrectly identifying the washer. Like, they may think its part of the crank pulley and the bolt has no washer, when it actually does. In that case, the dampener part of the pulley (outer ring) may just be separating and leading to the looseness/wobble.

          Either way, actually removing the crank pulley and bolt will make it clear which is happening...
          Last edited by cp[mike]; 02-06-2015, 12:34 AM.


          - 1993 Accord LX - White sedan (sold)
          - 1993 Accord EX - White sedan (wrecked)
          - 1991 Accord EX - White sedan (sold)
          - 1990 Accord EX - Grey sedan (sold)
          - 1993 Accord EX - White sedan (sold)
          - 1992 Accord EX - White coupe (sold)
          - 1993 Accord EX - Grey coupe (stolen)
          - 1993 Accord SE - Gold coupe (sold)
          Current cars:
          - 2005 Subaru Legacy GT Wagon - Daily driver
          - 2004 Chevrolet Express AWD - Camper conversion

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            #6
            Originally posted by johnl View Post
            Are you sure that it's the centre of the pulley coming loose at the crank, and not the harmonic balancer mass separating from the centre of the pulley?
            this...

            I think his "pulley" is separating from it self...
            the rubber part comes loose from the 2 metal parts.

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            Comment

              #7
              make sure the rubber isn't cracked/dry rotted/deteriorated. If it is, you can buy a new harmonic balancer for around 50 bucks at Autozone. It'll come with the woodruff key as well.

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              Comment

                #8
                Originally posted by Losiracer2 View Post
                make sure the rubber isn't cracked/dry rotted/deteriorated. If it is, you can buy a new harmonic balancer for around 50 bucks at Autozone. It'll come with the woodruff key as well.
                If you do replace it I would recommend going to Honda and getting a new bolt. When I replaced mine I had to get another one cause the old one got messed up when it wobbled and would back itself out over time.


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                  #9
                  Originally posted by thumping_accord View Post
                  If you do replace it I would recommend going to Honda and getting a new bolt. When I replaced mine I had to get another one cause the old one got messed up when it wobbled and would back itself out over time.
                  Assuming the problem is the rubber in the harmonic balancer separating, then the bolt won't have been affected because it won't have come loose (the centre of the pulley would have remained tight as the damper mass was wobbling on the central part of the pulley).
                  Regards from Oz,
                  John.

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