Question about Toyota Corolla

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I replaced the clutch in a 2006 corolla and the vehicle now has a vibration at 900-1100 rpm, both in neutral and in gear. First question: is the flywheel neutral balance? The bolt pattern is symmetric.

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  • slate_slaven Aug 29, 2010

    this is a pilotless (!!!) setup, and all bolts were snug. I removed the trans to inspect the clutch

  • slate_slaven Sep 02, 2010

    turned out that these setups are picky about proper bolt torque and sequence as well as correct grease.

    I removed the transmission, clutch, and flywheel. I aligned the flywheel so that the holes were pointing the same direction as the holes drilled into the harmonic balancer. Pay close attention to the manual for torque and tightening sequence, and be sure to use the proper grease on the input shaft splines, the release bearing guide, and the contact points on the clutch fork.

    at that point I reinstalled the transmission and test drove the car. All vibrations are gone. problem solved.

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It sounds like it may be your pilot bearing, if you didnt do a complete kit it could be your pressure plate or also your throw out bearing

Posted on Aug 28, 2010

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The flywheel is balanced by its self but the clutch is not,,,you may have got a bad clutch thats well out of balance,,and you may need to swop it out again,,but,, first check that all the gearbox bolts are up tight and its not the box moving

Posted on Aug 28, 2010

  • Michael Thorpe
    Michael Thorpe Aug 30, 2010

    if you bent the clutch plate when fitting it or when you put the gear box back in or its stuck on the input shaft you will get vibration from the plate

  • slate_slaven Aug 30, 2010

    unfortunately, this is definately not a nutral balance flywheel - we put it on a balance similar to what you'd use to balance a lawnmower blade, and it sits about 15 degrees of horizontal with the side with a series of drilled holes sitting on the high side.

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