2018 Traverse 2LT AWD Gear Whine - Page 3 - Chevy Traverse Forum: Chevrolet Traverse Forum
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post #21 of 27 (permalink) Old 07-16-2019, 12:42 PM
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Originally Posted by Monk View Post
Update: Dropped the 2018 AWD LT2 Leather Traverse with around 35,000 miles off on July 15th for the scheduled rear differential replacement. Received a call from the shop stating the rear differential was badly damaged in transit and it could not be installed in the vehicle. They are keeping our vehicle as the existing rear end was already removed. They said it will be about a week to get the now forth differential in.



Also between this update and my previous update the car started giving us a "Shift to Park" after we shift to park and shut the car off. Once the notice comes up you have to move the shifter around in its locked park position and it will eventually recognize the vehicle is in park. This seems like just a bad switch or sensor, but it's all starting to add up. I love this vehicle, but I don't know how much more we can take.
Several posts here on the bad shifter. And no parts seem unavailable at this time!

https://www.traverseforum.com/66-201...ark-issue.html

2011 2LT FWD replaced by 2017 2LT AWD
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post #22 of 27 (permalink) Old 07-16-2019, 01:22 PM
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Originally Posted by greentraverse View Post
Several posts here on the bad shifter. And no parts seem unavailable at this time!

https://www.traverseforum.com/66-201...ark-issue.html



Well crap. Interesting how they didn't say anything about parts not being available when they called about the rear end parts damage. Hopefully that means they have the new assembly in stock, but I'm not holding my breath. Thanks for the link and additional information.
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post #23 of 27 (permalink) Old 07-25-2019, 11:21 AM
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Update 4: The Traverse had the forth updated rear end installed yesterday as well as a new switch for the "shift to park" issue. Picked it up this morning and so far, no noise and no shift to park issue. They also replaced the brake pads as the breaks were squeaking and every time we brought it in they "cleaned and lubed" them. That only stopped the squeaking for a couple of days. They finally replaced the pads. So far so good, but after the first replacement it took a few thousand miles for the noise to come back. I will update again once we put some miles on the new rear end.
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post #24 of 27 (permalink) Old 07-30-2019, 01:38 PM
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Update 5: After putting a couple hundred miles on the Traverse this weekend, the noise ever so slightly started to come back. It is faint, but the noise it there. The representative that has been handling our account for this matter called Monday July 29th to see how everything was going. My wife stated the noise has started to return. The rep asked if she would bring the vehicle in to the shop in the morning (July 30th) to test drive it with the shop foreman. When she arrived the rep was at a doctors appointment and he did not tell anyone about the test drive. She waited 15-20 minutes for the shop foreman (seems like a good guy) who was on another test drive. They both went on the test drive and he heard the noise as well. He stated they talked to Chevy and the rear end replacement was supposed to fix that noise. The foreman believes it is a problem and wants a field engineer from Chevy to take a look at it. Apparently it can take some time for a field engineer to come out to a shop, but one was coming out for another vehicle (at an unknown date), so he was going to try and get them to look at our Traverse on that same date (no promises). The shop foreman said he is also going to start pulling some higher ups into the matter. To be continued...
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post #25 of 27 (permalink) Old 07-30-2019, 02:54 PM
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I feel like I would start to investigate lemon laws at this point...

Current Vehicles:
-2015 Pilot EX-L AWD
-2014 Traverse LT2 AWD
-1961 Impala 2 Door Sedan 283 3MT

Family Muscle:
-1969 Camaro SS 350 4MT
-1957 210 2 Door Wagon (project)
-1939 Ford 3 Window 2 Door (project)

Past Vehicles:
-2008 Sonata SE V6
-2012 Silverado LS 4.8 4WD EC
-2011 Rogue SL AWD
-2006 Accord Sedan EX-L K24 5MT
-2012 Tacoma DCSB V6 6MT 4WD
-2011 Civic Si Sedan
-2001 Pathfinder VQ35 5MT 4WD
-1997 Pathfinder VG33 4AT 4WD
-1999 ML320 4WD
-1997 Accord LX Sedan F22 4AT
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post #26 of 27 (permalink) Old 08-07-2019, 12:59 PM
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Update 6: The Traverse was dropped off at the dealers shop Wednesday July 31 so the field engineer, that was already scheduled to look at another vehicle, could take a look at ours. We received a call today August 8, that the field engineer was unable to look at our vehicle, but they have been talking with Chevy representatives. The reps for Chevy have told the dealer they believe the noise to be normal (how they can say it's normal without actually driving and hearing it is beyond me). What Chevy is willing to do is write a component coverage letter so the vehicle will be covered under a comprehensive warranty of 60 months or 75,000 miles from the date of the letter. I have been telling the dealership all along, that I am only concerned because they (the dealership) has stated they do not believe the noise to be right. With the new warranty we will just drive it until the noise becomes much worse. I'd like to say this completes my updates for this vehicle, but only time will tell.

Last edited by Monk; 08-07-2019 at 01:08 PM.
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post #27 of 27 (permalink) Old 09-12-2019, 06:42 PM Thread Starter
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An update. Yes my car still whines in 2wd and makes horrible sounds on occasion when going from to 2wd to 4wd while driving. Bottom line I got tired of dealing with incompetent people that could never reproduce the problem. With 2 little ones the constant loner cars were becoming a problem. I just leave it in 4wd. New to the mix when backing out of the drive way and going to drive it will hang in neutral and bang into gear on occasion. It's a lease and GM could have it back. Needless to say, my first and last GM product
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