Automatic Transmission Problems of Chevrolet Colorado

The contact owns a 2021 Chevrolet Colorado. The contact stated that while driving at an undisclosed speed, the steering wheel briefly vibrated, after which she heard an abnormal knocking sound emanating from an unknown location. The vehicle returned to normal functionality, but the failure became a regular occurrence. No warning lights were illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the steering rack. The vehicle was repaired, but the failure reoccurred. The vehicle was taken back to the dealer, who then diagnosed failures with the lower steering shaft, and the transmission 4x4 climbing gear. The vehicle was repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA hotline for assistance. The VIN was not available. The failure mileage was 53,000.

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See attached document for complaint.

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The contact owns 2016 Chevrolet Colorado. The contact stated that on several occasions, the engine, traction and stabilitrak warning lights illuminated then the vehicle went into 'limp home mode'. The vehicle was taken to autozone where the diagnostic machine indicated the powertrain system and cylinder one failed. The contact then stated when the vehicle was declined down a hill, the rpms increased rapidly without acceleration. The vehicle was taken to autozone where the diagnostic machine indicated the powertrain system and cylinder failed. Additionally, the contact stated that the anti-lock brake system light illuminated and went to limp mode. The vehicle was towed to the dealer where it was diagnosed that the fuel pipe, fuel rail and fuel injector needed to be replaced. The vehicle was repaired however, the failure recurred. The vehicle was then taken to a different dealer where it was diagnosed that cylinder one and the power steering failed and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and the contact was informed that she would receive a loaner vehicle however, the manufacturer was contacted a second time where the contact was denied a loaner vehicle due to warranty. The failure mileage was 138,000.

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The contact owns a 2017 Chevrolet Colorado. The contact stated that his vehicle would shutter upon depression of the accelerator pedal without warning. The manufacturer was notified of the failure and informed the contact that the vehicle was out of warranty and referred him to a dealer for assistance. The contact had yet to take the vehicle to be serviced or diagnosed for the failure. The failure mileage was 60,000.

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The contact owns a 2015 Chevrolet Colorado. The contact stated that while driving at various speeds, the transmission would intermittently hesitate upon depression of the accelerator pedal without warning. The contact had taken the vehicle to a dealer and was informed that there were no defects with the vehicle and that the hesitation was normal vehicle operation. The manufacturer had also been notified of the failure but offered no assistance. The vehicle had yet to be repaired. The failure mileage was 15.

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I own a 2006 Chevrolet Colorado LS. Inexplicably and randomly, it shifts itself into 4wd high. Often this is while making a right hand turn. Chevrolet stopped servicing my vehicle, telling me there was no cure for this problem. It has happened at high speeds on the highway as well. The most recent date this happened was yesterday while I was turning into my post office. This has been a constant problem since the recorded mileage was 2,109. Records will show the truck was in for service by gm at least 15 times. Incidentally, this is a replacement truck for a 2005 Colorado that had precisely the same problem. Before the dealer was shut down by gm, the service manager told me that gm detroit had told him not to service the vehicle for this problem any longer as gm had no cure for it.

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Letter from senator sessions on behalf of constituent re a pending general motors warranty claim on a 2006 Chevrolet Colorado. When the consumers wife went to put the vehicle in park, the vehicle proceeded to accelerate through a window of an office building. The wrecker service verified that the gear shift was loose, leaving the transmission in the forward position. Gm denied the consumers warranty claim, even though it was well within the five year. 50,000 mile warranty period.

: the contact stated while driving 65 mph, the vehicle shifted from 2 wheel drive to 4 wheel drive low on its own. The vehicle had an automatic transmission and due to the gear shift, the vehicle broke down on three separate occasions. The service dealer could not duplicate the problem. Updated 01/19/07.

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As I was driving my 2004 Chevrolet Colorado, my transmission would not shift into over-drive. The check engine light flashed, but no message was shown on the message center. I took my truck to the local dealer. After talking to the service department yesterday, they informed me that there was a "small recall" for this type of problem (which from what they told me, involves some gaskets and pins of some type). My truck is being repaired at no cost. But in checking your recall list, I found no Colorado. Is this something that everyone with this type of drive train should be made aware of? or is this such a minor issue, that a major notification is not warranted?.

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The vehicle tends not slow down when the vehicle is going down hill and the driver is down shifting and braking. Owner will contact manufacturer. The engine and transmission doesn't provide braking when shifting to a lower gear when going down a hill.

-transmission will go out while driving the vehicle -bad smell coming from the a/c unit -water leaks.