Heavy Duty Equipment Technician Red Seal Exam Prep · Question
When diagnosing a hard-steering complaint on a power steering system, which of the following could indicate a restrictive hose?
A restrictive hose, either in the pressure or return line, would cause the power steering pump to build excessively high pressure as it tries to force fluid thr
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Question: When diagnosing a hard-steering complaint on a power steering system, which of the following could indicate a restrictive hose?
Answer options:
- Low power steering fluid level with no leaks
- Blowing sound from the power steering pump ✅ An excessively high pressure reading at the pump's output when turning
- Cool fluid returning to the reservoir
Correct answer: An excessively high pressure reading at the pump's output when turning
Explanation: A restrictive hose, either in the pressure or return line, would cause the power steering pump to build excessively high pressure as it tries to force fluid through the restriction when the steering wheel is turned.
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