2019 Traverse Redline Transmission Stutter - Chevy Traverse Forum: Chevrolet Traverse Forum
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post #1 of 40 (permalink) Old 03-19-2019, 10:27 AM Thread Starter
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2019 Traverse Redline Transmission Stutter

Our 2019 Traverse Redline has approximately 7500 miles on it. We are currently on spring break, approx 1500 miles away from home and the transmission has started to noticeably stutter/hesitate while shifting between 1-2, 2-3, 3-4 while under what I would call “normal” acceleration. Obviously being very concerned about the safety of driving 6 of us around in this vehicle, I took the Traverse into a local Chevy dealer yesterday and spent 4 hours waiting. They experienced the same stutter while driving it. They contacted GM and ended up doing a transmission flush and reprogram, which did nothing to solve the problem, and in my opinion, only made it more noticeable. They advised me to drive the vehicle back home (another 1500 miles) and take it back to the dealer I purchased it at, where “Chevy engineering will want to tear the transmission apart to understand what went wrong and likely replace the torque converter and valve body.” Excuse me? A 7 month old vehicle with a rebuilt transmission? I have a call in to Chevy customer support and am waiting for a call back. This is going to get interesting.
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post #2 of 40 (permalink) Old 03-19-2019, 01:31 PM
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Garage
The perfect receipe to ruin a nice vacation. Something similar happened to one of our member while on vacation far from home with a 2018 model. Cannot remember who?

Traverse 2017, chevy Uplander 2009 LT short wheelbase, Impala 2003, jeep cherokee Laredo 1990, chevy citation 1984 2.8 v6, vauxhall Firenza1972, rambler american 1964 model 330, vauxhall velox 1956 rebuilt, NSU Prinz 1961 2 cylinder micro car rebuilt, Renault Dauphine 1960 rebuilt, ford prefect 1952 ( english car with non hydrolic brakes rebuilt. Honda 1986 motorcycle in new condition and 13 travel trailers from a Boler 1300 to a Rockwood mini lite 20 feet.
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post #3 of 40 (permalink) Old 03-19-2019, 10:47 PM
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We had the transmission in our 2016 2LT AWD basically quit at approximately 1200 km. OnStar diagnosis was engine/transmission failure. Flat bed to dealership. Repair/semi rebuild at dealership by their specialist. No issues from that time forward till when we traded for our 2019 Redline last September. I questioned about a new transmission going in. Service manager told us the “new” unit would be a factory rebuild. He had more faith in his in house transmission guy than a factory unit. He was right. It took a week and a half but the vehicle was fine. Have faith in your dealership to do right by you. Questioning gets you further than demanding.

2013 Traverse LT (traded)<br />2014 Traverse LT<br />2016 Traverse LT AWD, 2019 Traverse Red Line
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post #4 of 40 (permalink) Old 03-20-2019, 10:25 AM
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Angry 2018 Transmission shudder

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Originally Posted by Irl4512 View Post
Our 2019 Traverse Redline has approximately 7500 miles on it. We are currently on spring break, approx 1500 miles away from home and the transmission has started to noticeably stutter/hesitate while shifting between 1-2, 2-3, 3-4 while under what I would call “normal” acceleration. Obviously being very concerned about the safety of driving 6 of us around in this vehicle, I took the Traverse into a local Chevy dealer yesterday and spent 4 hours waiting. They experienced the same stutter while driving it. They contacted GM and ended up doing a transmission flush and reprogram, which did nothing to solve the problem, and in my opinion, only made it more noticeable. They advised me to drive the vehicle back home (another 1500 miles) and take it back to the dealer I purchased it at, where “Chevy engineering will want to tear the transmission apart to understand what went wrong and likely replace the torque converter and valve body.” Excuse me? A 7 month old vehicle with a rebuilt transmission? I have a call in to Chevy customer support and am waiting for a call back. This is going to get interesting.
Yikes have exactly the same problem here this past week. At 6500 miles and driving from MN to Fl when it happened. Local dealer did same flush and reset. Shudder initially got better but came back after 400 mi. Good thing it's happening under warranty!! Please let me know what you find out. I plan on taking mine to the dealer next week 2/20/19.
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post #5 of 40 (permalink) Old 03-20-2019, 04:39 PM Thread Starter
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Yikes have exactly the same problem here this past week. At 6500 miles and driving from MN to Fl when it happened. Local dealer did same flush and reset. Shudder initially got better but came back after 400 mi. Good thing it's happening under warranty!! Please let me know what you find out. I plan on taking mine to the dealer next week 2/20/19.

Will do. I’m making an appointment once we are back on Friday. The flush definitely didn’t help things, mayne even made them a bit worse. Waiting for my call back from Chevrolet Customer Service. Will be curious to hear what they have to say about it.
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post #6 of 40 (permalink) Old 03-30-2019, 11:40 PM
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Quote:
Originally Posted by Irl4512 View Post
Our 2019 Traverse Redline has approximately 7500 miles on it. We are currently on spring break, approx 1500 miles away from home and the transmission has started to noticeably stutter/hesitate while shifting between 1-2, 2-3, 3-4 while under what I would call “normal” acceleration. Obviously being very concerned about the safety of driving 6 of us around in this vehicle, I took the Traverse into a local Chevy dealer yesterday and spent 4 hours waiting. They experienced the same stutter while driving it. They contacted GM and ended up doing a transmission flush and reprogram, which did nothing to solve the problem, and in my opinion, only made it more noticeable. They advised me to drive the vehicle back home (another 1500 miles) and take it back to the dealer I purchased it at, where “Chevy engineering will want to tear the transmission apart to understand what went wrong and likely replace the torque converter and valve body.” Excuse me? A 7 month old vehicle with a rebuilt transmission? I have a call in to Chevy customer support and am waiting for a call back. This is going to get interesting.
This sounds exactly like what I started experiencing on Friday while driving from MI to Kentucky. I noticed it when I got into traffic backups due to accidents. I'm contemplating bringing it to the dealer near me on Tuesday but sounds like that won't help. This is a 2019 I purchased in November, 7K miles on it.

Add this issue to the leaking heater core back at 4K miles and I wonder why I bothered to buy GM...
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post #7 of 40 (permalink) Old 03-31-2019, 08:22 PM
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Not to beat a dead horse. But new 9spd has a lower gear positive clutch system and automatically drops one gear upon deceleration......doesn't behave or have the feel of older 4/6 spd trannys........clutch engagement with gas acceleration and immediate gear drop with gas deceleration could easily feel like a shudder or "bucking" in slow or stop and go traffic.


Flush alone on low mileage fluid should do nothing to improve, but a computer reset should because it restores all factory servo fill rates and starts a new "break-in" cycle (of variable duration) for the transmission clutch introducing smoother engagement (slippage) to seat the new clutch surfaces. Once cycle is completed, it's back to the old feeling. No idea what multiple resets will do, but even though it may run better for a while....can't be good for long term durability.

Current Chevys -'16 Silverado LT;'18 Malibu LT Redline;'18 Traverse Premier Redline<br /><br />Previous&nbsp; Chevys:16 Malibu LT2 '17 Impala;'16 MalibuLT;'15 Camaro LS;'15 Traverse; '13,'12 and '07 Avalanche LTs; '11 Tahoe LT; '13 &'11 Malibu LTs; '08 Trailblazer;'06 Colorado WT..... Chrysler era.....'80 Citation;'75 Impala;'72 Chevelle;'69 Camaro R/T;'65 Impala SS;'62 Nova
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post #8 of 40 (permalink) Old 03-31-2019, 09:23 PM
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If I remove the negative connection to the battery does that reset everything? (ie infotainment/WiFi)
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post #9 of 40 (permalink) Old 03-31-2019, 09:25 PM
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On a side note, interesting that 3 people in this thread encountered similar issues driving south into warmer climates.
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post #10 of 40 (permalink) Old 04-01-2019, 06:44 AM
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Originally Posted by flyfishmich View Post
On a side note, interesting that 3 people in this thread encountered similar issues driving south into warmer climates.
I live in North East Canada and have had the dreaded transmission stutter on a few occasions. That being said, you are seeing one of the areas that seem to cause this; out of town/highway travel.

As you may know, these new transmission are computerized and continually adapting the to the type of driving that it experiences. 95% of my Traverse's driving is in the city with much stop and go. The odd time that I travel on the highway for extended periods, the shift pattern is different and the Transmission starts stuttering when downshifting to go up hills. When I get back to the city, it stutters in the lower gears for a few days and eventually stops.

From my 18 months and 20,000 kms of ownership, the stutter seems to be related to the adaptive programming of the transmission and usually fixes itself after a few days.

I assume that GM will eventually come-up with a solution (like Ford did with the Focus Tranny) and they'll send a recall or some new Tech Bulletin.

My 2 cents...

2018 Traverse Premier Redline
2014 Mustang GT Convertible
2006 Kawasaki Vulcan 900 Classic LT
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