Good starter won't turn flywheel -
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post #1 of 6 Old 05-05-2012, 05:53 PM Thread Starter
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1993 YJ Wrangler 
Join Date: May 2012
Location: Erie
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Good starter won't turn flywheel

My 93 4.0 Liter Wrangler ran fine in December then sat for four months. I went out to start it in April and just got a clicking sound when I turned the ignition. I installed a new battery. At that point when I tried to start the Jeep it sounded like a giant vacuum cleaner. Plenty of juice but the engine wouldn't crank and just had an even loud whirring sound. So, I figured that was the starter. I got a new starter from Auto Zone and installed it. I went to start the Jeep and got the same thing. I then figured I got a bad starter from Autozone so I took it back. They tested the starter and it's fine. So, it seems to me that, for some reason, my starter, which is good, is not turning the flywheel. There is no grinding sound or any indication that the teeth are misaligned.

Any ideas for what the problem might be would be appreciated.

Dgeiling is offline  
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post #2 of 6 Old 05-05-2012, 05:56 PM Thread Starter
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Also, I should add that the teeth on the flywheel look good. They are not worn down or anything.
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post #3 of 6 Old 05-05-2012, 11:58 PM
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1989 YJ Wrangler 
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Sounds like your bendix is not coming out all the way.You can bench test the starter yourself with a set of jumper cables and a wire.So you know for yourself that it's the starter or not.Them autozone guys worry me.They'll tell you they are ASE certified if they think you'll believe it..Maybe a bum cable?Bench test the starter first to see if it is working.Then install it and bypass the battery cables by using your jumper cables as battery cables.If it starts with the jumper cables then hook up you battery cables and see if it works.If not then you probably have a bad pos. battery cable.(make sure you neg. cable is clean and grounded good. Make sure you pos. cable is also clean.

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post #4 of 6 Old 05-06-2012, 09:31 AM
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1989 YJ Wrangler 
Join Date: Oct 2010
Location: Russell Springs
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Yeah it sounds to me that your starter is not getting the full amperage it should. Low amps will result in starter spin but no bendix
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post #5 of 6 Old 05-06-2012, 09:55 AM Thread Starter
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Ahh... Makes sense. Thanks guys.
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post #6 of 6 Old 06-16-2013, 01:59 PM
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O.k. I want to share my expierience with clanking starter. At first I thought it is battery fault. Then I installed my wifes battery and it was the same, just clank and no turning flywheel. Then I did battery clamp cleaning with sand paper so that metal shines, I did put it on back tight (added some greace on - oxy prevention) And still nothing just c-l-a-n-k. Then I took off starter and tried engaging it with
the same batt on the floor in my garage. And it worked fine. It shooted out good and spinning was very well. After it I checked all possibilities around bad wire connections and finally FOUND GROUND CONNECTION N E A R starter, it jumps from engine to cars frame. Cars frame connection was really bad looking, corosion brown. So I took it off, sanded properly surface on wire and frame and even cleaned screw. After attaching it back Starter worked. I almost bought a new battery and was thinking of new starter as well. By the way I have honda CRV 2001. Also really sanded clamps so that metal shines and tight connecting is very important, as well as negative wire connection to cars frame - if brown, sand it. In my case even lights were good and radio working, but for engaging starter those brown connections did fault. Good luck!
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