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Urgent help please! Engine turns about 3/4 turn, stops.

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Old Nov 8, 2011 | 03:52 PM
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Urgent help please! Engine turns about 3/4 turn, stops.

The shop doing my engine replacement just came up against a brick wall of sorts. Everything installed, they went to turn it over, and it went about 3/4 of a rotation and just stopped completely, both with the starter and with manually turning the engine.

Any ideas on what this would be? I hope it's something simple.
 
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Old Nov 8, 2011 | 03:58 PM
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hey Brett, we think that might be a bent connecting rod
 
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Old Nov 8, 2011 | 04:08 PM
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It's a "new" remanufactured engine, if it's a bent rod, that would be pretty aggravating, as that's what's wrong with the engine I'm replacing.

Also, another reason I wish that engine from you guys hadn't been ruined by the shipper.

Anyone else have an idea of what it could be?
 

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Old Nov 8, 2011 | 05:14 PM
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bad sensor somewhere maybe?
 
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Old Nov 8, 2011 | 05:16 PM
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Originally Posted by saywat?
bad sensor somewhere maybe?
Doubt it, that wouldn't prevent you from turning the engine over manually.
 
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Old Nov 8, 2011 | 05:32 PM
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Yeah man, you and me both! I will ask one of our experienced techs and see what they say
 
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Old Nov 8, 2011 | 05:35 PM
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Ok, my guys says, to look in the spark plug holes, and see if there is water in them.... if not, said the engine might have been sitting for awhile and built up crud around the pistons, and said to spray wd40 in each of the cylinders to break it free
 
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Old Nov 8, 2011 | 06:08 PM
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eek!

Good luck with this
 
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Old Nov 8, 2011 | 07:57 PM
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Originally Posted by Phil@GRUBBS
Ok, my guys says, to look in the spark plug holes, and see if there is water in them.... if not, said the engine might have been sitting for awhile and built up crud around the pistons, and said to spray wd40 in each of the cylinders to break it free
definitely no crud or water in there. I'm really hoping it was just a valve with off-timing at this point.
 
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Old Nov 9, 2011 | 10:33 AM
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Sounds like your Timing may be way out of wack, causing the valves to hit the pistons.

Goodluck!

-Rob
 
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Old Nov 9, 2011 | 11:47 AM
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Originally Posted by Wrathernaut
The shop doing my engine replacement just came up against a brick wall of sorts. Everything installed, they went to turn it over, and it went about 3/4 of a rotation and just stopped completely, both with the starter and with manually turning the engine.

Any ideas on what this would be? I hope it's something simple.
wrong throw out bearing and not releasing the pressure plate enough, also check to see if line to throw out arm needs to be bled (air) causing not enough release
fianlly have someone watch to see how much throw out arm moves
 
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Old Nov 9, 2011 | 09:31 PM
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Originally Posted by slim17265
wrong throw out bearing and not releasing the pressure plate enough, also check to see if line to throw out arm needs to be bled (air) causing not enough release
fianlly have someone watch to see how much throw out arm moves
I'd considered something with the clutch myself, it's not a replacement clutch, so the throwout bearing is the same as before. If it's in neutral when the engine is attempted to be turned, will this eliminate the throw out arm as a possible cause?
 
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Old Nov 9, 2011 | 09:33 PM
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Oh, and update, I got word that it possibly rotated completely around today, but the tech wasn't able to put much time into the car.

I should know by noon tomorrow.

Update:
Car's good to go. Not sure what the problem was that kept it from turning initially, but it's running pretty good now. The month-old gas seems to make the car make a small "puff" sound randomly, or it could be a sensor that didn't take too kindly to the water. No codes at all though, so I'll just bring it up with the shop when I visit them tomorrow to deal with the old engine, and hopefully find out what the problem with it turning over was.

There was also a misaligned shifter plate that made 5th and 6th gear nearly impossible to find, but I took care of that myself.
 

Last edited by Wrathernaut; Nov 10, 2011 at 11:20 PM.
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Old Nov 11, 2011 | 09:15 PM
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Epilogue:

Still not sure why it didn't turn over, but it's running OK now. Sometimes make little "puff" sounds out the exhaust, but I'm just blaming that on stale gas (6 weeks) for now, as it seems to be getting better.

There was some pretty bad rattling sounds coming from the bell housing for a little while, but that seems to have stopped. Possibly just the dual-mass settling or something?
 
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