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Starter making alot of grinding noise

After nose housing broke on original starter and I replaced with a new one, I am still getting alot of grinding noise when the starter engages... I have tried numerous shim combinations with no luck. I inspected the flywheel and all teeth are fine and not damaged.

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  • jeff_vandeve
    jeff_vandeve Jan 15, 2013

    I pulled the starter again and found a broken tooth on the bendix gear.

  • jeff_vandeve
    jeff_vandeve Jan 16, 2013

    new starter and .20 shim solved the problem.

  • Kelly La Rue Jan 16, 2013

    Alleluiah!!

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The problem could be broken or otherwise damage flywheel teeth. Not a pretty picture but it's a possibility.

Posted on Jan 15, 2013

  • jeff_vandeve
    jeff_vandeve Jan 15, 2013

    i inspected fly wheel and teeth and all ok.. Pulled the starter again and now brand new starter has a broken tooth on the bendix gear :(

  • jeff_vandeve
    jeff_vandeve Jan 16, 2013

    new starter and .20 shim solved the problem.. Thanks

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SOURCE: Car won't start. Starter (new) engages but seems

Bad starter solenoid and possible bad return spring.

Posted on Jul 07, 2009

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SOURCE: grinding when starting, replaced starter one month

The flywheel is worn in that specific area. Engines tend to stop in the same one or two positions, and it is those teeth that get cachunked every time you turn the key. This is ok if the bendix does a good job of threading the gear into the flywheel teeth, but the problem is that now that the teeth are half worn away, the starter attempts to mount its gear to the teeth, but before the gear is fully seated, the contacts in the motor make, the motor starts to turn, and the not-yet-seated gear bounces off of the flywheel teeth. This is what causes the teeth-grinding sound (your teeth grinding in your mouth too!) when you turn the key. . There are two solutions: The first is to, of course, replace the ring gear. . The second is hard to explain, but a good starter rebuild center (if there is such an accessible animal around anymore) will know what I'm talking about: The starter gear must have the lagging edge of each tooth ground so that each tooth will look like a chisel. The "pushing" side of each tooth must be straight and come to the point (and not be beveled). The "non-pushing" lagging side of each starter tooth should have the bevel ground in on that side. This grinding is done easily by a small angle grinder or a Dremel Tool with a cutoff wheel. . This does one thing: It assures that the gear will "spin in" without bouncing. If ground correctly (it's not hard to do), you will get successful starts every time. This is a common fix for Toyota 4-cyl with this horrible all-too-common problem. Good luck.

Posted on Nov 25, 2009

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