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Starter "heat soak"

Old 02-12-2019, 12:56 AM
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Starter "heat soak"

Ok, so we all know about heat soak in starter motor prevent the engine from turning over when hot. Which i already read some post of how that work or happens. But what I don't understand is how does a hot starter motor solenoid or "heat soak" shuts off the engine while driving? Can anyone tell me how this happens.
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Old 02-12-2019, 01:13 AM
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Re: Starter "heat soak"

A hot starter does not cause an engine to stall while driving. You are confused. Either you lost fuel, spark, or air - one of the three things needed to sustain engine operation. The starter has nothing to do with it.

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Old 02-12-2019, 04:00 PM
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Re: Starter "heat soak"

Ok, yeah I am comfused. I would drive my car for 20 to 30 minutes and car would shut off, I would a tempt to fire it up and nothing happens. I try again after 10 minutes and it would start right away. I did replaced the big starter motor with a mini powermaster starter, and drove it an hour and It hasn't shut off me again. So I'm not sure what the problem was. All I know is the car runs great again
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Old 02-12-2019, 04:03 PM
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Re: Starter "heat soak"

The stalling sounds heat related. Checking for spark, injector pulse and fuel pressure when this occurs would be a good start.
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Old 02-12-2019, 04:11 PM
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Re: Starter "heat soak"

I suppose you might have had a heat induced poor connection to one of the fusible links coming off the starter solenoid supply. But barring that you probably have an intermittent spark or fuel delivery like Tuned Performance suggests. Be on the lookout for the stalling issue to return at some point.

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Old 02-12-2019, 04:14 PM
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Re: Starter "heat soak"

You would think if it’s a fusable link you would loose all power to the inside of the car. Dash lights ign power.
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Old 02-12-2019, 05:23 PM
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Re: Starter "heat soak"

Classic symptom of a failing ignition coil, too....
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Old 02-13-2019, 01:31 PM
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Re: Starter "heat soak"

Or a failing ICM.
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Old Yesterday, 08:08 PM
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Re: Starter "heat soak"

If it continues to die when it warms up. I'd check your ICM as stated above. Or ignition coil. A loss of spark will shut down your engine right away. Unless by "nothing happens" on a restart you mean it won't even crank. Than I would def look at the starter or wiring.

Last edited by IROCThe5.7L; Yesterday at 08:13 PM.
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