Inconsistent Starter Grind -
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Unread 07-29-2002, 03:02 AM   #1
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2004 WJ 
Join Date: Jul 2002
Location: Cincinnati, OH
Posts: 1,128
Inconsistent Starter Grind

Every once in a while the starter on my 1990 6 cyl. YJ grinds against the flywheel. Not very often, just enough to be annoying.I have had the starter off twice and could not see any problems. Has anyone else had this type of problem? I can live with it happening once or twice a month as it always starts the next try.This has been happening for over a year.. Just wondering !!! Thanks for your time and effort.....Scot

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Unread 07-29-2002, 08:00 PM   #2
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2011 WK 
Join Date: Apr 2002
Location: Orem, Utah
Posts: 402
I've had similar problems before. I can think of a couple of things you may check.
1. Broken tooth on flywheel gear. You only hit it once in awhile.
2. Weak starter solenoid. Does not fully engage starter motor with flywheel.

Next time you get the grinding pull the starter before you start the engine. If a gear tooth is chiped or broken it should be visable.

For the second case, pull the starter and see if the edge of the starter gear is worn where it first engages with the flywheel. This could indicate your starter is not fully engaging with the flywheel.

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