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Starter screech?

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Old May 24, 2012 | 11:05 PM
  #1  
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Starter screech?

Hey guys I'm a recent owner of a 96 350 psd. I'm currently working through getting this truck back to proper working order. One thing I have noticed is that every 5 or 6 start ups the starter will screech instead of turning over the engine. I'm not so sure screech is the best definition but if someone has had this issue I'm sure they will recognize what I mean. if I wait a minute and let the truck run through it's wait to start cycle a time or two, it will crank up. Anyone have this issue? I did a quick search but didn't find anything similar.
 
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Old May 25, 2012 | 12:02 AM
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Welcome to fte. So when you turn the key and try to crank it will it engage the flywheel?
 
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Old May 25, 2012 | 03:25 AM
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My 1995 E-350 has just started with the same issue.

Turn the key and the starter spinns, but grinds the teeth instead of turning the engine over.

I'm thinking about taking out the starter and overhauling it (16 months old reconditioned unit, and the vans been sitting in the yard for 12 months).

On my older van, the plastic insulation inside came lose and blokked the rotor from turning fast enough to start.
 
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Old May 25, 2012 | 03:34 AM
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From your description, my guess would be that the starter over-run clutch (behind bendix gear) is on the way out.
 
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Old May 25, 2012 | 07:24 AM
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It could also be that the teeth on the starter gear are worn or stripped. Also take a look at the teeth on the flywheel or flexplate. You will have to get under the truck and remove the inspection cover to do this, but if there are a few missing teeth on the flexplate/flywheel the starter will "grind" whenever the engine happens to stop with those gears at the point where the starter would engage them to get the truck started. hopefully it is something simple, but these are a couple other things for you to take a look at while you're under there.
 
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Old May 25, 2012 | 08:35 AM
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Originally Posted by Lazy K
From your description, my guess would be that the starter over-run clutch (behind bendix gear) is on the way out.
This would be my guess also. Or it may be sticky in side, and not letting the ***** lock the over ride clutch once in a while. If the flywheel teeth are missing, usually the starter won't engauge untill the engine is rotated a few degrees to get good teeth in position for the starter gear to grab. I'm betting a new bendix is in your future.
 
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Old May 25, 2012 | 09:18 AM
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The teeth on both flywheel and starter on my van is in good condition.

Since the starter is a reconditioned unit, I suspect it's sticking.
 
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Old May 25, 2012 | 06:04 PM
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I will check these possibilities this weekend. It seems that if I let the wait to start cycle to end, it doesn't seem to happen.
 
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Old May 26, 2012 | 02:59 AM
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Hmm. I wonder if you are getting an insufficient amount of juice for the starter while the glow plugs are still doing their thing. Could it be weak batteries causing this?
 
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