Steering Pinion Shaft Problems of Buick Enclave

The contact owns a 2010 Buick Enclave. While driving 15 mph, the power steering failed without warning. The failure occurred at slower speeds or while making a turn. The contact stated that extra effort was needed to steer the vehicle when the failure occurred. The dealer diagnosed that the rack and pinion, steering bushings, and steering shaft needed to be replaced. The contact was also informed that there was a power steering fluid leak that needed to be repaired. The vehicle was repaired; however, the failure recurred. The manufacturer was notified of the failures. The approximate failure mileage was 30,000.

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The steering has been an ongoing event since the second year of having the model. I would lose control of the vehicle when tuning left. It would have a mind of its own and not turn. I have run off the road and went into several ditches not being able to turn (tech service date 6/20/12 rack and pinion binding causing stiffness in steering--replaced steering gear and flushed system). We almost had a head on collision when I turned it in again with the same issue demanding something be done. (5/10/13 correction-replace leaking steering gear and failed p/s pump, fill system, bleed sys and verify operation). Difficulty steering and loud popping noise while turning left (service date 4/18/14- found internal leak form power steering rack -replaced rack and bleed system and aligned vehicle. Drove out of the the dealership and noticed a/c not working and same noise coming from the front while turning left. Took it back in (5/5/14-found left front axle shaft to be popping needs to replace at owners expense. The dealership had the vehicle for 20+ days and did not fix. Airbag warning light illuminated so I took the vehicle into the dealer (6/29/10--poor connection at sir harness--diagnosed and repaired. Received a recall notice in the mail-took vehicle into the dealer (4/18/14--correction completed). Airbag warning light illuminated again. Took vehicle to the dealership (5/5/14-intermittent short in passenger presence module, checked an rechecked -- corrections needs from passenger presence module at customers expense I was called to picked vehicle up as is after 20+ days. Dealership would not fix.

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