LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Cars down need it for work! Starter problem? Won't turn over..Please help

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Old May 22, 2007 | 11:15 PM
  #1  
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Cars down need it for work! Starter problem? Won't turn over..Please help

UPDATE: Went an looked under the car and it turns out the complete starter CRACK IN HALF! The casting where the Starter motor connects to the smaller cylinder with the selenoid which actuates the spindle up and down completely cracked in half so the starter is two seperate parts. The longer bolt of the two which hold the starter to the block and is closest to the oil pan severed off inside the block so a huge chunck of it is still inside the block. (This is the bolt which I heard fall off while driving home). I unbolted the other smaller one and managed to get the starter out its completely broken in half. This is really wierd. I don't know which came first, the bolt breaking or the starter breaking in half. But I wana say it was the bolt, then since there was no bolt the torque snapped the starter in half!

Ok so I was driving home from work and I have to merge to the expressway so I get on it a little (below 2500k) and I hear this sound kinda like a bolt let loose and banged around the bottom of the car and then its gone. I look in my mirror and see something black bouncing (small), I assumed it was some road debris as my car ran fine.

I get home, and cap the cutout, turn it on and take it for a ride for a bit. Come back turn it off and right as it turns off I hear this wierd metal noise (the last noise it made once completely silent). So curious I try to turn it back on, and when I am trying to crank it over all I hear is a constant motor noise. Like mmmmmmmmmmmmm, no mhhh, mhhh, mhhh. Its just a contant humm from under the car. Like the starter is not hooked up to anything.

So where should I start?

Most importantly somehow I have to get the car into the garage, whats the best way to push start a manual and can it be done?

Last edited by Jazsun; May 23, 2007 at 10:19 PM.
Old May 23, 2007 | 03:24 AM
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From: Jackstandican
You shouldn't try to start it at all until you figure out what's wrong.
A couple of possibilities are you either broke your timing chain or some teeth off the starter and/or flywheel.
I'd start by removing the dust cover and starter first. Take it off and see if the there's something wrong with either the flywheel or the engagement gear of the starter soenoid. If that checks out then take your oil fill cap off, turn the engine over by hand and look to see if the rockers are actuating.
Whatever you do, don't turn the engine over until you can have a look at the flywheel in the position it's in. If it has moved then you'll have to turn it over by hand until you have been able to examine the entire flywheel.
Old May 23, 2007 | 08:57 AM
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Originally Posted by SS RRR
You shouldn't try to start it at all until you figure out what's wrong.
A couple of possibilities are you either broke your timing chain or some teeth off the starter and/or flywheel.
I'd start by removing the dust cover and starter first. Take it off and see if the there's something wrong with either the flywheel or the engagement gear of the starter soenoid. If that checks out then take your oil fill cap off, turn the engine over by hand and look to see if the rockers are actuating.
Whatever you do, don't turn the engine over until you can have a look at the flywheel in the position it's in. If it has moved then you'll have to turn it over by hand until you have been able to examine the entire flywheel.
IF the timing chain was broke, the engine would still crank? I has to be something between the flywheel and or starter. Flywheel is fairlynew (6 months) im looking at starter. Where it is on my driveway I cannot jack it up (its on a hill) so i need to push start it to somehow get it in the garage.. It makes a vacum cleaner noise when I turn the key, like there is no load on anything.

Last edited by Jazsun; May 23, 2007 at 09:21 AM.
Old May 23, 2007 | 10:01 AM
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come on I need to get working on it, is it safe to push start? If I roll down the block and it doesnt start Im even more ****ed.
Old May 23, 2007 | 12:33 PM
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i would get under the car and inspect the flywheel. have someone try to start the car with you peeking underneith. if you see the starter engageing the flywheel then you know thats noth the probelm. if you just hear the nosie and see no movement from the starter then its probalby the starter. take it off and have it tested. thats what it sounds like to me.
the humming is probably your fuel pump btw
Old May 23, 2007 | 12:47 PM
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Time to tow it home.
Old May 23, 2007 | 12:54 PM
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Originally Posted by Javier97Z28
Time to tow it home.
Its in the driveway..

Anyways the starter noise is def coming from the front, I know what a fuel pump sounds like and its louder then that.
Old May 23, 2007 | 12:56 PM
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Originally Posted by fbodyboy
i would get under the car and inspect the flywheel. have someone try to start the car with you peeking underneith. if you see the starter engageing the flywheel then you know thats noth the probelm. if you just hear the nosie and see no movement from the starter then its probalby the starter. take it off and have it tested. thats what it sounds like to me.
the humming is probably your fuel pump btw
I can't get under it, cuz its on a sloped driveway which wouldnt be safe to jack it up on. I need to get it into the garage which is why I was asking about push starting..I suppose I could roll it into the street and jack it up there..
Old May 23, 2007 | 06:47 PM
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From: Jackstandican
Originally Posted by Jazsun
IF the timing chain was broke, the engine would still crank? I has to be something between the flywheel and or starter. Flywheel is fairlynew (6 months) im looking at starter. Where it is on my driveway I cannot jack it up (its on a hill) so i need to push start it to somehow get it in the garage.. It makes a vacum cleaner noise when I turn the key, like there is no load on anything.
Yes the starter could still engage the flywheel and the rotating assy. would still turn. However it would not sound normal. It would sound like a smooth whir. It's hard to describe or diagnose w/out hearing it personally. You can still eliminate the possibility of the timing chain w/out having to jack up the car. It'll be tight, but you can get a 5/8" socket on the crank snout bolt and turn the engine over by hand and look into the oil fill on the valve cover to see if you're rockers are actuating.
Old May 23, 2007 | 10:19 PM
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UPDATE: Went an looked under the car and it turns out the complete starter CRACK IN HALF! The casting where the Starter motor connects to the smaller cylinder with the selenoid which actuates the spindle up and down completely cracked in half so the starter is two seperate parts. The longer bolt of the two which hold the starter to the block and is closest to the oil pan severed off inside the block so a huge chunck of it is still inside the block. (This is the bolt which I heard fall off while driving home). I unbolted the other smaller one and managed to get the starter out its completely broken in half. This is really wierd. I don't know which came first, the bolt breaking or the starter breaking in half. But I wana say it was the bolt, then since there was no bolt the torque snapped the starter in half!

So now I have to try and extract that bolt in the block, buy a whole new starter and bolts...I did manage to push start the car and it runs perfectly fine. The flywheel looked OK.
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