Recalls

USA Recall: An inoperative pump can cause increased steering effort, and in hydro-boost equipped vehicles also increased braking effort, but does not completely eliminate the ability to steer or slow the vehicle.
Some pickup trucks, vans, and sport utility vehicles equipped with a hydraulic pump driveshaft that can fracture, resulting in immediate loss of hydraulic power steering assist. on certain vehicles equipped with hydro-boost power brakes, the same condition can result in loss of power assist for braking after the reserve pressure is depleted.

Corrective Action:
Dealers will replace the hydraulic pump. the campaign began on february 14, 2005. owners may contact chevrolet at 1-800-630-2438 or gmc at 1-866-996-9463.

Additional Notes:
Gm campaign no. 05001.this action is deemed a safety improvement campaign and is not being conducted under the safety act.the company has informed nhtsa that it will provide the modifications described above free of charge.