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ls1 locked up after turned off ???

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Old May 30, 2012 | 08:26 PM
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puplux's Avatar
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Default ls1 locked up after turned off ???

im from australia and have a 2002 ss commodore with a ls1

was leaving from work put the foot down and it made a loud clack noise ,
drove it like a baby for 1.5 hours and only made the noise when gave it a little rev and chucked back gears ,

it idled as if nothing was wrong sounded fine , but pulled up to mechanics and turned it off and now wont start on clicks and battery starts smoking

what could it possibly cause it was running


would a lose timing chain lock up and cause this ,

the engine was only just service too by the way and oil is still normal colour thanks if u have any info
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Old May 30, 2012 | 09:01 PM
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Maybe turn the motor by turning the main bolt yourself and verify it is locked...but this doesn't sound like a story with a happy ending to me...not that I know much. If it Is locked you should cut open the oil filter.
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Old May 30, 2012 | 10:50 PM
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Originally Posted by therabidweasel
Maybe turn the motor by turning the main bolt yourself and verify it is locked...but this doesn't sound like a story with a happy ending to me...not that I know much. If it Is locked you should cut open the oil filter.
yeh sorry forgot to mention we tried turning it with a breaker bar and didnt budge ,

mite try the oil filter idea thanks
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Old May 31, 2012 | 06:39 AM
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Did you lose oil pressure? I'm thinking the damage was done when you fiesta heard the clunking, them after she cooled down you fused a rod to the crank.
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Old May 31, 2012 | 08:19 AM
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Take the plugs out, and try to turn it, again. You may have a hydrolock issue.
When the plugs are out, look to see if any are damaged. That could point toward the timing chain.
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Old May 31, 2012 | 09:17 PM
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This happened to my lawnmower last year. It ran great and shut down normally, but the next time I tried to use it, it was locked up. After seeing there was no oil on the stick, I remembered it had been awhile since I'd checked it.
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