One problem related to differential unit has been reported for the 2008 Buick Enclave. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2008 Buick Enclave based on all problems reported for the 2008 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.