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Unread 07-17-2013, 05:14 PM   #1
multmigs
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2003 WJ 
 
Join Date: Feb 2009
Location: browntown
Posts: 1,013
access to flexplate bolts?

I have had this tick tick engine noise ever since replacing my engine (03 V8) which is clearly coming from the area of the bellhousing. I was told by several people that the flexplate bolts could be loose or the flexplate itself cracked. I removed the inspection cover for the flexplate and was able to rotate engine by hand to check all the bolts that attach the flexplate to the torque converter. All were tight and the portion of the flexplate i can see seems ok. I told someone I did this who then responded "what about the bolts on the end of the flexplate to the crankshaft? I had already put the cover back on and didn't remember that I could see anything like that because the TC is obviously pushed right up against the flexplate. My question is could I unbolt the flexplate to TC and then push the TC back towards the transmission enough to be able to get a socket or wrench up into the gap to check? I can't recall what it looked like when the 2 came apart before.

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Unread 07-17-2013, 08:41 PM   #2
USMC_XJ
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2003 WJ 
 
Join Date: May 2008
Location: Jacksonville, NC
Posts: 1,641
No. Is the simple answer. There is no way to get to those bolts unless you pull apart the engine and transmission. There are 8 bolts holding the flywheel onto the crank. Did the engine already have the flywheel bolted to it? Are you sure the engine was good and not knocking? Just a thought.
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Unread 07-17-2013, 09:44 PM   #3
imaguy3
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2004 WJ 
 
Join Date: Jun 2009
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Exhaust leaks cause a ticking sound... Mine is on the rear driver side exhaust port. It's near the transmission/engine coupling and the noise can sound like it's coming from that area. It's easy to check those manifold bolts and see if any are broken causing the leak, plus it's much much more common of a problem...
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Unread 07-18-2013, 05:24 PM   #4
multmigs
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2003 WJ 
 
Join Date: Feb 2009
Location: browntown
Posts: 1,013
I replaced the engine myself with a reman longblock. The trans had no problems when i last drove it and exploded the engine. I removed the flexplate from old motor it appeared to be free of cracks etc, just cleaned it up and bolted to new engine. I believe I used thread locker on those bolts and tightened them in a star pattern to the FSM torque before reinstalling engine onto old trans. There is no exhaust leak i replaced all those bolts with new ones and obviously used new gaskets etc, i have had the motor running with the inspection cover removed and its very clear the clicking noise comes from something in that flexplate area. I've been running it like this for almost a year, motor went back in last August and i've driven it aprox 4k miles in that time with no problems from trans or engine. Just hate listening to that sounds its super annoying in a drivethrough when i get my Chik Fila on for instance.
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