9th Gear on 2017 V-6's? - 2014+ Jeep Cherokee Forums
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post #1 of 38 (permalink) Old 05-19-2017, 12:28 AM Thread Starter
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9th Gear on 2017 V-6's?

I wondered if owners of V-6, 2017 Cherokees have had any more luck hitting 9th gear than those of us with earlier years. I've found it nearly impossible to see 9th gear on my '15 Limited without doing highly illegal speeds then backing off the throttle. Since my ride has the trailer tow package with a lower axle ratio, you'd think it would hit 9th when cruising at interstate speeds, but no. I see 8th all the time but not 9th. So the purpose of a 9 speed gearbox is??

How about you 2017 owners? I know the 4-bangers see 9th frequently.
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2015 Cherokee Limited - Ordered 10/21 and built 11/14. Took delivery on 11/21/14 - Deep Cherry, V6, ADII, all the tech stuff and options except a sunroof, CD player, subwoofer and charging pad.
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post #2 of 38 (permalink) Old 05-19-2017, 12:50 AM
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I drive over 80mph daily. The few times I've checked I've only been in 7th. 2017 TH.
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post #3 of 38 (permalink) Old 05-19-2017, 07:34 AM
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Why, you think it changes by model year? In my 2014 I see 9th, usually over 80, absolutely flat or slight downgrade, light touch on the gas. I guess for those times it provides slightly better gas mileage. A purpose, if not a great one. And very exciting, like the Holy Grail. Are you saying I won't even see that when I pick up my 2017??
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Last edited by mreg376; 05-19-2017 at 07:37 AM.
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post #4 of 38 (permalink) Old 05-19-2017, 07:37 AM
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I have never seen it either! What, me worry?

2016 Cherokee Trailhawk: Mango Tango Pearl Coat over Black.
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post #5 of 38 (permalink) Old 05-19-2017, 07:57 AM
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Haven't seen it yet, but haven't been out of the city yet.

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post #6 of 38 (permalink) Old 05-19-2017, 08:11 AM
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I've never seen 9th on my '15 TH. I rarely drive it over 70mph anyway, just as long as the RPM's stay down I really don't care if it ever finds that mystical 9th gear.
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post #7 of 38 (permalink) Old 05-19-2017, 09:11 AM
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These Transmissions are made in Germany. I don't think they have a problem getting up to 9th gear speed legally. That is the problem. Not designed with US highway laws in mind.

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post #8 of 38 (permalink) Old 05-19-2017, 09:25 AM Thread Starter
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Mreg wrote: <<Why, you think it changes by model year?>>

That was the question. The car has a 9-speed transmission that only uses 8 of its gears. Then what's the point of having a 9-speed? I think that's engineering that's somewhat lackluster. My '15 with the tow package has a 3.52 to 1 axle ratio. Change that to 3.9 or 4.1 and the car would probably be seeing 9th gear in normal cruising while having more acceleration in the lower gears.

It's not a matter of wanting to see the elusive 9th gear just for the thrill. It's to see the engineers properly match the capabilities of the transmission to the car. I think this is a 'bug' that they have apparently not worked out yet.

2015 Cherokee Limited - Ordered 10/21 and built 11/14. Took delivery on 11/21/14 - Deep Cherry, V6, ADII, all the tech stuff and options except a sunroof, CD player, subwoofer and charging pad.
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post #9 of 38 (permalink) Old 05-19-2017, 09:31 AM
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I've checked several times while doing 70+ and see 9th. On a slight downhill grade I will get into 9th at 70.
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post #10 of 38 (permalink) Old 05-19-2017, 09:38 AM
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Or drop the ratios to the 4.1 or so (raise numerically) enough to only use 2nd through 9th.
Then in low range, you get to use first and have even better low end gearing.


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