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Old 02-11-2014, 11:10 AM
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suttering hemi

Hello all,
I may have posted this question in the wrong place yesterdayso i'll try again.
bought a 2010 Grand Cherokee Hemi back in Oct. by Dec.(70,000mi) it started shuttering when the excelerator was held at the point that was needed to just maintain the speed worse if on an uphill grade useually a light vibration but on occasion like a flat tire or hitting the rumble stip on the side of the road(enough to be felt in the pass. seat). the dealer has replaced the torque converter twice and added Shutter Guard. this has reduced the frequency of occurances but not eleminated them. said all computer codes looked good does'nt look like they know where else to look.

anyone here have any thoughts whats wrong, we like this jeep don't want to trade it back in
Thanks for the help
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Old 01-28-2015, 07:14 PM
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Re: suttering hemi

My girlfriends 2010 Grand Cherokee just went into the dealer with the same problem. They're also replacing the torque converter... Just wondering if you ever got your problem figured out?


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Old 01-28-2015, 09:11 PM
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Re: suttering hemi

The dealer changed the torque converter twice (2 replacements )
diminished the shuttering but didn't completely go away ... has gotten worse recently now that it's out of warranty. Good luck. if you get it corrected and it's not the tourque converter let me know what they find.
Thanks, ken
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Old 01-30-2015, 03:37 PM
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Re: suttering hemi

When on the highway at a constant speed, the transmission should be in fifth gear and the torque converter clutch activated. If the shuttering occurs, do you see the engine rpm changing a bit?
I wonder if this doesn´t have to do with the engine itself. The hemi doesn´t have a TPS on the throttle body anymore, so does it have an accelerator pedal transducer? Would be interresting to see if the output from this transducer is steady, or if it does fluctuate a bit at the moment the shuttering occurs. Do you have a scanner to monitor this? (or maybe it shows on an android phone with torque app and bluetooth dongle).
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