The power steering system of your 2002 Ford Explorer is responsible for providing ease and agility in steering. The power steering pump is one of the components of the steering system. Failure of the pump results in a loss of hydraulic power, which makes turning the steering wheel difficult. Other signs of problems with the power steering pump include a loud whining noise when you turn the steering wheel and leakage of power steering fluid. If your 2002 Ford Explorer is suddenly hard to steer, you may need to replace the power steering pump.
Locate the power steering pump on the driver's side of the engine compartment. Loosen the bolts and remove the engine drive belt.
Remove the bolts and the power steering pump pulley.
Loosen the clamp and disconnect the return hose from the power steering pump.
Drain the power steering fluid into a suitable 1-quart container.
Remove the bolt from the pressure line bracket and disconnect the pressure line from the engine.
Loosen the power steering pump bolts.
Disconnect the pressure line from the pump. Remove and discard the O-ring seal.
Remove the bolts and the power steering pump.
Position the new power steering pump in the engine. Install and tighten the bolts.
Install a new O-ring seal on the pressure line, using the O-ring tool.
Reconnect the pressure line to the pump. Tighten the power steering pump bolts and reattach the pressure line to the engine. Reattach the pressure line bracket bolt.
Reattach the clamp and the return hose to the pump.
Reinstall the pulley and the engine drive belt and tighten the bolts.
Fill the power steering system with fluid.
