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Old 03-13-2014, 05:45 AM
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HELP: Stuck in the lot

i recently just dumped a couple thousand worth of parts and repairs into my 99.5 7.3, it has 187k, no major mods just side exit and chip.. just did glow plugs, relay, etc.

I went to fire my truck the other day and i heard this loud *** noise that sounded like a high speed screw driver spinning. I panicked and turned the key off, then tried again a few seconds later and it started, drove the rest of the night on off on off to gym and a few other places without hearing that noise.

next day i unplugged it, fired it up fine, went to work, left it all day came back at 5 and it made the noise again. only this time it wont start after the second try, its dead in the water.. just keeps going zzzzzzzzzzzzzzzz

it doesnt gargle, pop, shake, vibrate, smoke, or anything. no signs of life aside from a loud noise from under the truck.

A few notes:
the only electrical issues i have noticed is the lights dim when my systems pumpin, which i know is common?

The truck always took a couple extra seconds to start (holding in crank position)

Can anyone outline how to diagnose this issue 100% so i dont blow 200$ on a starter when i need a battery? or is my motor done?
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Old 03-13-2014, 06:15 AM
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I'm having trouble understanding the noise you describe but, could it be the starter gear grinding?

Go look at your Starter - Have any of the bolts that hold it to the engine backed-off?

Is the starter just spinning in place without grinding anything?

Take a hammer and WHACK the starter body a few times and try again maybe...
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Old 03-13-2014, 06:24 AM
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Agreed sounds like a starter issue, I'd pull it and check the teeth on both the starter and the ring gear

I though the hammer whack was a chevy thing

Last edited by Heavy_GD; 03-13-2014 at 07:15 AM.
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Old 03-13-2014, 06:36 AM
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When I had my 7.3, every once in a while, the starter would make a loud grinding noise like it didn't grab internally. The very next time it would start right away. I suspect it probably is the starter. In would think you would just hear clicking if the batteries are bad.

Mitch
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Old 03-13-2014, 06:43 AM
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try to imagine what the starter would sound like without the motor cranking, then amplify it times ten

im going to try to jump the solenoid later just to rule it out, does the key need to be in the run position, in park?
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Old 03-13-2014, 06:49 AM
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thats why I think the solenoid is fine and the starter is either not engaging or the teeth are gone.
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Old 03-13-2014, 06:51 AM
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The solenoid can't do that though....

It's job is to switch lots of power to the starter. It's doing that - right?

I'm tellin' ya, your starter is either "falling out" or the starter gear or ring gear has a problem
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Old 03-13-2014, 07:00 AM
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Quote:
Originally Posted by NoRalPh View Post
The solenoid can't do that though....

It's job is to switch lots of power to the starter. It's doing that - right?

I'm tellin' ya, your starter is either "falling out" or the starter gear or ring gear has a problem
Yes for once i agree hopefully its just the starter backing out or the gears are gone(hopefully on the starter not the ring gear)
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Old 03-13-2014, 07:01 AM
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Maybe the vibration from the pumpin system backed a bolt or two out!
Did you find the problem yet?
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Old 03-13-2014, 07:21 AM
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Quote:
Originally Posted by Rammstein1224 View Post
Yes for once i agree
For once? Dude WTF????
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