Possible Causes
- Low power steering pump fluid.
- Steering gear assembly external or internal leak.
- Power steering pump external leak.
- Incorrect accessory belt tension.
- Hose or cooler external leak.
- Incorrect engine idle speed.
- Power steering pump pulley loose or warped.
- Power steering pump flow/pressure not in specification.
- Hose or cooler line restriction.
- Power steering fluid contaminated.
- Power steering fluid aeration.