Whine or Growl Noise from the Power Steering System
WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
Special Tools
CH-39570 Chassis Ear
Equivalent regional tools: Special Tools
| Condition | Action |
|---|---|
| Verify the customer complaint | Test the vehicle on a shop hoist or road test. It may be necessary to compare to a like vehicle to determine if an issue is present. |
| DTCs are present | Confirm and repair the condition that set DTC. Diagnostic Starting Point - Vehicle |
| Binding in the inner tie rod ends. | Inspect the inner tie rods. Steering Linkage Inner Tie Rod Inspection |
| Binding in the outer tie rod ends. | Inspect the outer tie rods. Steering Linkage Outer Tie Rod Inspection |
| Binding in the ball joints. | Inspect the ball joints. Front Ball Joint Inspection |
| Binding in the steering gear boots. | Replace the steering gear boots. Steering Gear Boot Replacement (without Blackwing) , or Steering Gear Boot Replacement (with Blackwing) |
| Whine or growl from the power steering assist motor. | Using the CH-39570
Chassis Ear ensure the noise originates from the power steering assist motor. Replace the power steering assist motor. Power Steering Assist Motor Replacement (AWD) , or Power Steering Assist Motor Replacement (RWD without Blackwing) , or Power Steering Assist Motor Replacement (with Blackwing) |
| Whine or growl from the electric belt drive rack and pinion steering gear. | Using the CH-39570
Chassis Ear ensure the noise originates from the electric belt drive rack and pinion steering gear. Replace the electric belt drive rack and pinion steering gear. Electric Belt Drive Rack and Pinion Steering Gear Replacement (AWD) , or Electric Belt Drive Rack and Pinion Steering Gear Replacement (RWD without Blackwing) , or Electric Belt Drive Rack and Pinion Steering Gear Replacement (with Blackwing) |
| Binding in the front wheel drive shaft inner joint or boot. | Replace the affected front wheel drive half shaft. |
| Binding in the front wheel drive shaft outer joint or boot. | Replace the affected front wheel drive half shaft. |