2014 Jeep Cherokee 6Cyl 4WD bangs in 5th
02-15-2014, 02:02 PM
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2014 Jeep Cherokee 6Cyl 4WD bangs in 5th
Hi and I have a new 2014 Cherokee and love it except if "bangs" a bit when going from 4th to 5th gear. Is this normal ?
Thanks
**************************
Update:
Last Friday, I took my new Jeep to deliver who updated transmission software with latest rev. WHAT A DIFFERENCE, I no longer can even tell when it shifts from 4th to 5th gear vs before update. I emailed dealer and suggested they perform update BEFORE they sell and deliver another Cherokee. Thanks to all who helped me understand and fix issue.
Thanks
**************************
Update:
Last Friday, I took my new Jeep to deliver who updated transmission software with latest rev. WHAT A DIFFERENCE, I no longer can even tell when it shifts from 4th to 5th gear vs before update. I emailed dealer and suggested they perform update BEFORE they sell and deliver another Cherokee. Thanks to all who helped me understand and fix issue.
Last edited by datatwaters; 02-24-2014 at 05:38 PM. Reason: Happy Ending thanks to Cherokee forum folk
02-15-2014, 04:20 PM
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Year: 1995
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Yes it is "normal" (unless it is really rough), the dog-clutches used in the ZF 9-speed aren't as "gentle" as the plate/band ("friction") clutches used in most automatics (The 4-5 shift is the first one that uses a dog-clutch, gears 1-4 uses friction clutches, the 7-8 shift also uses a dog-clutch). A software update may help a little (if your Jeep didn't ship with the latest version) but even with the latest software the ZF 9-speed isn't as smooth as most traditional automatics.
This link will tell you everything you ever wanted to know about the ZF 9-speed:
This link will tell you everything you ever wanted to know about the ZF 9-speed:
Last edited by dmill89; 02-15-2014 at 04:24 PM.
02-16-2014, 07:23 AM
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02-23-2014, 09:31 PM
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02-23-2014, 09:32 PM
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02-23-2014, 09:59 PM
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It is hit and miss. Apparently some dealers are very good about making sure vehicles are updated before sale and informing owners of additional updates and some aren't. I believe most of these updates are only TSBs so there isn't really a protocol to inform the customer unless they ask with those.
02-24-2014, 05:41 PM
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Thanks to all Cherokee Forum readers for helping me understand and get shifting problem fixed by dealer via software update. I was beginning to think that the "bang" was normal. What a difference the software update made. I really enjoy my new vehicle and look forward to many fun and enjoyable miles on the road. Again, thanks for your help :-)
02-24-2014, 05:51 PM
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Woohoo. Glad to hear it.
Maybe it's a good idea for KL owners to check with the dealership periodically for updates. Or, someone could start a thread on the updates and keep fellow owners UPDATED on the updates..........
Maybe it's a good idea for KL owners to check with the dealership periodically for updates. Or, someone could start a thread on the updates and keep fellow owners UPDATED on the updates..........
02-26-2014, 07:54 PM
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Thanks to all Cherokee Forum readers for helping me understand and get shifting problem fixed by dealer via software update. I was beginning to think that the "bang" was normal. What a difference the software update made. I really enjoy my new vehicle and look forward to many fun and enjoyable miles on the road. Again, thanks for your help :-)
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