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Old 09-24-2006, 08:05 PM   #1
ddeadserious
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1998 ZJ 
 
Join Date: Sep 2006
Location: Metro-Detroit
Posts: 788
Knocking

I have a knocking sound coming from what sounds like my drivers side floor board area. A mechanic told me it was a rod-knock and my pistons are going to shoot out the side of the block within the next year. Could it be something else hopefully more simple? Thanks.

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Old 09-24-2006, 08:14 PM   #2
JFM626
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2004 TJ Wrangler 
 
Join Date: Feb 2005
Location: Tyee Capital of Canada
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Get a second opinion. You should be able to hear the knock speed up and slow down as the engine RPM changes. You may have bad motor/trans mounts. Open the hood, start the engine, put your foot on the brake HARD. Put it in gear and press the throttle while looking through the gap betwwn the hood and cowl, the engine may move up a little, if it jumps, or moves a lot, it is a mount loose/broken.
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Old 09-27-2006, 08:46 PM   #3
ddeadserious
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1998 ZJ 
 
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Turns out it was a loose track bar. Fixed.
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Old 09-27-2006, 08:49 PM   #4
menos
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That's quite a bit different.. I'd be looking for a new mechanic.....
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Old 09-27-2006, 09:32 PM   #5
JFM626
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2004 TJ Wrangler 
 
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Glad it was that simple. I'll bet that shop had large glass doors in front. They saw you coming.
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