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Old 04-20-2013, 11:07 AM   #1
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Starter screeching after engine starts

When I start my jeep, the starter doesn't diesngage immediately, and it makes a grinding sound. Any ideas what to replace first?

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Old 04-20-2013, 11:14 AM   #2
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Sounds like your key is getting stuck partway in the start position. Mine does that. I just have to make sure I manually turn it back after starting.

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Old 04-20-2013, 01:58 PM   #3
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My key doesn't stick. Do you think it's the solenoid going bad
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Old 04-20-2013, 02:42 PM   #4
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Quote:
Originally Posted by Mulvihill64 View Post
My key doesn't stick. Do you think it's the solenoid going bad
Hmm. Got me there. So it sounds like it is sticking partway?
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Old 04-20-2013, 03:52 PM   #5
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Yeah, it is almost like the starter gear isn't retracting fast enough once the engine starts because you hear a screech as soon as the engine turns over
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Old 04-20-2013, 05:14 PM   #6
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I've not had to repair my jeep starter yet but my landrover one had a spring to assist the dis-engagement of the pinion. After wading the pinion would not retract quickly. Silicon spray fixed that. Don't use a wet lub as it will hold the clutch dust which is abrasive, if you have a manual that is.
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Old 04-21-2013, 05:52 PM   #7
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So is my best bet a new starter or just a new solenoid?
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Old 04-21-2013, 05:57 PM   #8
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dont get mad at me for asking a silly question...but...

Are you sure the screeching is from the starter?

I've had lots of starters go bad. none screeched.

Doesnt mean it cant happen. I'd personally just have difficulty discerning the location of a screech in an engine as it starts.

lots and lots of other potential sources for screeching, though.

One way to check (you probably already have)...start it...run it for a few minutes. shut it down. touch the starter. if its too damn hot...replace it.
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Old 04-21-2013, 06:02 PM   #9
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Ill give that a try, but the reason I figure the starter is the cause is it will make the sound that happens if you turn the key in the ignition when the engine is already running.
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Old 04-21-2013, 06:55 PM   #10
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Bump any ideas
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Old 04-22-2013, 07:06 AM   #11
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If you are sure the sound is coming from the starter pull it and see. The sound you describe is the pinion gear grinding on the flywheel. The reasons this happens is because the pinion can not dis-engage. The reason for this is because the pinion is binding on its shaft or it is being held there by the yoke which is moved by the solenoid (sorry not sure of the jeep design) If you pull the starter you can see if the pinion is free to move up and down the shaft. If it is, power the solenoid and check that is free to move. The solenoid on the starter is just a large switch, if it does not move freely it will have a knock on effect

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