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Can you tell me about any issues with the transmission in the 2018 Chevy Tahoe?
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7 answers
★ Top Answer
An issue commonly seen with the 2018 Chevrolet Tahoe is experiencing a tough shift from first to second gear, often followed by engine bogging. This problem is likely caused by the torque convertor's clutch engagement during the shift. The purpose of a transmission is to change the engine's gear and transfer its power to the wheels for vehicle movement. Regularly changing the transmission fluid helps maintain its cleanliness, ensuring smooth operation. If a transmission replacement is needed, the cost can vary between $800 and $3,400, depending on the type. Used transmissions typically range from $800 to $1,500, with an average cost of around $1,150, while rebuilt transmissions average about $1,950, with prices ranging from $1,100 to $2,800.
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Our Tahoe, a 2018 Z71 with 104,000 miles, started making a rattling noise while my wife was accelerating a few days ago. Today, as she shifted from reverse to drive, the vehicle did not move forward. After restarting the engine, the transmission worked but slipped as I maneuvered it back into the carport.
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A frequent problem seen in the 2018 Chevrolet Tahoe is an intermittent tough shift from 1st to 2nd gear, often leading to engine hesitation. This issue may be the result of the torque converter's clutch being engaged during the gear change.
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Hey Beau W, what was the problem with the transmission? Do you have any estimate on how much it will cost to fix?
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I've been blindly loyal to GM my whole life, but they have deeply disappointed me. Their vehicles lack reliability and seem almost designed to break down easily, causing heartbreak. While I've always been a Detroit Chevy man, lately I'm starting to find Ford more appealing.
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In 2018, I had to replace the 6-speed CL80 transmission in my Tahoe with 90,000 miles on it, costing me a hefty $6,800.
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I own a 2017 Tahoe Z71 that has been meticulously maintained according to the owner's manual at the dealership, with all servicing done exclusively at the dealership. Unfortunately, this has been the worst vehicle I've ever had. Despite all the service records, I have had to spend a significant amount before reaching 100k miles on various repairs, including the top end of the engine, all lifters, head gaskets, AC condenser, brake system accumulator pump, and a transmission replacement with a new OEM component. The radio with GPS had to be replaced twice, and even the new OEM battery that is less than 6 months old has already died. Furthermore, the brake rotors, replaced with genuine OEM parts, warped in less than 15k miles after replacement. I am now planning to replace the broken sway bar links by myself. This vehicle has only been driven on highways and has never towed anything, yet it has proven to be completely unreliable. I strongly recommend avoiding it at all costs. This is our second Tahoe, with the first one going through the lemon law process due to a leaking roof. This will also be our last Tahoe. As a long-time GM customer, this experience has led me to sever ties with the brand for good.
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