Some GMC Acadia owners report experiencing transmission shifting irregularities despite checking the fluid level. These issues may stem from the quality of the transmission fluid, as contaminated or degraded fluid can lead to erratic shifting. Additionally, some owners report transmission slipping, which can result in unpredictable gear changes and a loss of power, necessitating a professional inspection for worn-out parts or low fluid levels. Others have noted a transmission shudder, often caused by contamination in the fluid, which can make the entire transmission system feel compromised. Furthermore, certain model years of the second generation Acadia may require software updates or solenoid replacements to resolve shifting irregularities. It is also important for owners to stay informed about recalls related to transmission issues, such as those involving the transmission shift lever detaching from the shift cable adjuster, which can impact gear selection and shifter functionality. Seeking professional assistance can help address these concerns effectively.
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