Buick Enclave owners have reported 1 problem related to differential unit (under the power train category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Buick Enclave based on all problems reported for the Enclave.
Power steering would grind, occurred for over 20,000 miles, and dealer could not diagnose the problem on several instances of being in for maintenance. Steering would be sluggish at times but not easily reproduced for dealer service. Independent shop found massive leakage in the rack and pinion system on both sides as well as complete leakage from the rear differential. Independent shop indicated both were significant safety issues requiring immediate repair; they also were surprised at the dealer's inability to diagnose the issue.
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