Power Steering Pump Problems of Chevrolet Avalanche

Tl the contact owns a 2004 Chevrolet Avalanche 1500. While driving approximately 45 mph and making a left turn, the steering wheel became difficult to turn. There were no warning indicators illuminated. The vehicle was taken to an independent mechanic where it was diagnosed that the hydraulic brake pump failed and needed to be replaced. The vehicle was not repaired. The vehicle was not taken to a dealer. The VIN was not included in NHTSA campaign number: 05v043000 (service brakes, hydraulic). The manufacturer was not contacted. The approximate failure mileage was 250,000.

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The contact owns a 2005 Chevrolet Avalanche. The contact stated that when driving at low speeds, the steering wheel would suddenly lock without warning preventing the contact from maneuvering the vehicle. The vehicle was inspected by a dealer and they advised him that he would need to replace the power steering pump. The vehicle was not repaired. The failure mileage was approximately 77,000. The VIN was unavailable.

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Turning at low speeds power stearing pump stops working at low sped. No apperant probems w/ the pump no loose belt. Need to rev to 1500 rpm to get the power steering to work. Seams to work ok whenit is cold problem starts when vech. Is warmed up. Repair has not been made yet.

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I was on side of hill in grass and mud, my power steering went out, and I almost bit the bullet. My neighbor a gm mechanic said they replace them all the time, I called the dealer which he worked and they said they never heard of the problem (service manager). This is dangerous and a joke. . . . I researched and found others with same problem at this site that have Avalanches also. . Read more...

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Contact stated while sitting at a stop sign and then when he pulled out there was no power steering. There was no noise, there was no indication that anything was wrong. He took vehicle to the dealer and the said that the power steering pump shaft sheared off inside of the pump. This happened about 8-12-05.

(1) there was not any specific event, I was turning down my driveway when the steering immediately became extremely heavy and the wheel could not be turned. (2) I could not turn the wheel or stop before hitting my trash containers at the end of the driveway. (3) power steering pump was replaced. The shaft had broken inside the pump.