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How to Replace the Transmission Fluid for the Envision 1.5T?

1 Answers

McDaniel

07/30/25 6:38am

Steps for Replacing Transmission Fluid in the Buick Envision: 1. Gravity Drain Method: Loosen the bottom nut of the transmission fluid pan to allow the old fluid to drain naturally by gravity. 2. Machine Flush Method: Add new transmission fluid to the flushing machine, connect the machine to the transmission fluid lines, and use the machine to push out the old fluid with the new one. 3. Pan Removal Method: A thorough cleaning approach that allows cleaning of the fluid filter, though the disassembly process is more complex. Symptoms of Degraded Transmission Fluid in the Buick Envision: 1. Slipping: Gradual increase in engine RPM may lead to gear slippage due to rising torque. 2. Leakage: Insufficient lubrication inside the transmission, making acceleration difficult. 3. Jerking: Possibly caused by dirty transmission fluid, leading to intermittent lubrication. 4. Noise: Caused by contaminants in the transmission fluid. 5. Overheating: A high-temperature warning light for the transmission may appear on the dashboard. 6. Stalling: Possible failure of the input shaft speed sensor.

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