A leaking power steering rack on your 2019 Ford Explorer at 100,000 miles indicates seal failure in the hydraulic steering system. The rack and pinion assembly is the heart of the steering system, and leaks affect steering feel and eventually function.
Understanding Steering Rack Leaks
The steering rack contains internal seals that keep hydraulic fluid contained while allowing the steering gear to move. These seals wear over time, eventually allowing fluid to leak. Leaks typically occur at the input shaft (where the steering column connects) or at the tie rod boots.
Symptoms of Steering Rack Leak
Power steering fluid drops or puddles under the front of the vehicle. Difficult or heavy steering, especially when fluid is low. Steering fluid reservoir needs frequent topping off. Wet or oily bellows boots covering the tie rod ends. Steering noise or whining from the pump running low.
Diagnosis Steps
Clean the steering components to identify exact leak location. Check tie rod bellows boots - if they're filled with fluid, the rack is leaking. Inspect the input shaft seal for seepage. Verify it's not the hoses or pump leaking instead of the rack.
Repair Options
Seal repair kits exist but rack removal and rebuild is labor-intensive - often rack replacement makes more sense. Remanufactured racks offer good value ($300-500). New racks are more expensive. Labor for installation runs $400-700. Total repair typically costs $800-1,400.