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Torque converter knock

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Old Dec 29, 2014 | 11:00 AM
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James68W
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From: oregon
Year: 98
Model: Cherokee
Engine: 4.0L
Default Torque converter knock
I've developed a knock from what sounds to be the torque converter. I have retightened the flex plate. Have used Lucas treatment.
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Old Dec 29, 2014 | 11:04 AM
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Firestorm500
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Year: 2015, 2012
Model: Grand Cherokee (WK2)
Engine: 3.6L
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Get a mechanic's stethoscope and narrow it down. Could be a main bearing/crankshaft knock.
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Old Dec 29, 2014 | 10:19 PM
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steelybill
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From: Saginaw Mi area
Year: 1994
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The flex plate, which is called a drive plate by Chrysler, may be cracked. Not very unusual......
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Old Dec 29, 2014 | 10:40 PM
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TwoXJS
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Engine: 2.5L I4 (Mercedes Turbo Diesel planned)
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^x2. Same problem on my brother's '89. Cracked around the middle where the bolts are
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Old Jan 6, 2015 | 01:18 AM
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Default Fixed.
So I pulled the trany. The flex plate was cracked 3/4 of the way around the bolt patern. Seems to run much better now and the nock is gone. Thanks.
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Old Jan 6, 2015 | 09:13 PM
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TwoXJS
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:thumbs up:
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