Chevrolet Colorado owners have reported 3 problems related to transmission gear slipping (under the power train category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Chevrolet Colorado based on all problems reported for the Colorado.
On the highway when accelerating uphill there is a clunking sound. It feels like it's the gears are slipping. Only 15,000 miles on it he truck.
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The 2019 Colorado z71 I have has been in the shop at the dealer 8 times since March. The transmission shutters while trying to maintain a consistent speed between 40-60 mph. The transmission also slips and jerks when slowing down and reaccelerating. Dealer continues to tell me they can not recreate the issues. It has become so that I do not feel safe allowing my wife to travel in this vehicle. I fear that she will be stranded on the side of the road or involved in an accident because of the issue at hand. This is her primary mode of transportation.
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The transmission slips, bangs into gear when cold. The dealer is telling me this is normal, based from a bulletin from gm. I bought the truck with a 112 miles on it, the trasmission has slipped from the very first day.