Chevrolet Impala Limited transmission fluid mixing with engine oil, burnt transmission oil exiting tailpipe on Chevrolet Impala Limited

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Chevrolet Impala Limited owners report experiencing serious transmission issues, such as transmission fluid mixing with engine oil, which can be caused by the torque converter clutch applying during shifts and leading to hard 1-2 shifts. This problem requires immediate attention to prevent lasting damage to the vehicle. Additionally, some owners notice burnt transmission oil exiting the tailpipe, indicating significant transmission problems potentially due to damaged seals or clutch plates. To address these issues, it is crucial for owners to diagnose the root cause promptly, consider replacing contaminated transmission fluid, and inspect for leaks by checking and replacing faulty seals or gaskets. Consulting a professional mechanic or transmission specialist is recommended for a thorough diagnosis and appropriate repairs to ensure the longevity of the Chevrolet Impala Limited.

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