Steering
Power Steering Rack
The steering rack converts steering wheel rotation into the left-right movement that turns the wheels.
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What it does
- Changes rotary steering input into linear wheel movement
- Houses hydraulic or electric assist
- Contains the tie rod attachment points
When it fails
- Fluid leak at the rack boots
- Heavy steering
- Knocking from the rack
- Steering pulls or wanders
How to diagnose
- Inspect the rack boots for fluid or tears
- Check for play in the rack
- Verify power assist works
Maintenance
- Fix leaks early to avoid pump damage
- Keep the fluid topped and clean
- Replace boots and tie rod ends when worn
Use the diagnosis order. When a part fails, confirm each hypothesis with measurements before replacing anything — codes and symptoms overlap.
Related part
Tie Rod Ends
Tie rod ends link the steering rack to the wheels so your steering input turns the wheels.