Looks like I'm pulling the engine again. CONFIRMED, engine dead - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 04-11-2011, 02:23 PM   #1
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Default Looks like I'm pulling the engine again. CONFIRMED, engine dead

Been fighting a very odd KR problem, comes and goes, tuning didn't seem to help. Well, today I did another scan and I started to hear this.



KR was going nuts. Limped it back home and went under looking for the sound, really hoping it'* not a rod bearing. Seems to be right here.



So, looks like the engine comes back out. Hoping it'* just a loose flex plate to crank bolt.
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Old 04-11-2011, 02:31 PM   #2
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Do you think the flexplate cracked?
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Old 04-11-2011, 02:35 PM   #3
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Hmmmm seems like my bonnie didn't like you! well now is a perfect time to pull the oil pan. strange that i never had any real issues with that motor.
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Old 04-11-2011, 02:46 PM   #4
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Not sure if it'* the motor right now. I'm going to get my hands on a dial indicator and check the run out on the flex plate. I think I may pull the transmission instead. That should be easier.
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Old 04-11-2011, 02:56 PM   #5
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Did you check the flex to TC bolts? Go double check, if they aren't tight, you are going to get that exact noise.

Skip runout..there'* no issue there. That noise is either flex bolts or rod bearing. I am hopeful that you find the TC bolts loose, but your oil pressure is saying other things.
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Old 04-11-2011, 03:39 PM   #6
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All bolts are tight. Part way to removing the transmission. Will check the bolts at the crank. Not real happy with this. Engine never even got a WOT.
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Old 04-11-2011, 03:40 PM   #7
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Take it out before you tear it apart. Because that noise is a bearing. Sorry for your loss.
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Old 04-11-2011, 03:43 PM   #8
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Not what I wanted to hear. Really didn't want to go shopping for a new engine.
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Old 04-11-2011, 03:45 PM   #9
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I killed one, put in a JY one that made it 10 miles...pulling into the yard it stalled, that bad. Third time was a serious charm for me.

Wish you didn't need to do the same, but that noise belongs to one thing, expecially since you noticed pressure taking a dive.
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Old 04-11-2011, 03:48 PM   #10
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That sucks. Only had the car out like 3 times.
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