TheoryASE T5 Truck Suspension Prep Study Guide
Study for the ASE T5 Truck Suspension Prep with exam topics, practice questions, a free PDF, video walkthrough and timed mock exam links.
How to study for ASE T5 Truck Suspension Prep
- Read the topic list so you know what the exam is likely to cover.
- Answer the free practice questions and read every explanation.
- Download the PDF for offline review.
- Use timed mock exams when your untimed practice feels comfortable.
Topics to review
- Hazard identification and risk control
- Required workplace procedures
- Personal protective equipment and safe practice
- Compliance, reporting and documentation
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Q1What is the most likely cause of noise when turning the steering wheel of a medium-duty truck?
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✓ Correct answer: Worn steering column U-joints
Worn U-joints in the steering column often cause noise specifically when the steering wheel is being turned as they create binding or clicking sounds during rotation.
Q2Technician A says that collapsed steering column damage should be evaluated after any front-end collision. Technician B says a collapsible steering column should be replaced if it shows any signs of deformation. Who is right?
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✓ Correct answer: Both Technician A and B
Both technicians are correct. Collapsible steering columns should be inspected after any front-end collision, and if they show any signs of deformation (which means they've been compressed in a collision), they should be replaced as they will not function properly in a future collision.
Q3A power steering system has restricted flow. What is the proper test to accurately diagnose the issue?
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✓ Correct answer: Power steering pressure test
A power steering pressure test using a flow meter and pressure gauge is the proper diagnostic procedure to accurately determine if there is restricted flow in the system and identify the cause of the restriction.
Q4After replacing a hydraulic power steering pump on a heavy-duty truck, the steering is still difficult to turn. What is the most likely cause?
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✓ Correct answer: Relief/poppet valve requires adjustment
If the relief/poppet valve is not adjusted correctly after pump replacement, it may limit maximum system pressure, resulting in difficult steering despite the new pump installation.
Q5When diagnosing a truck with binding during steering, Technician A says that a damaged flexible coupling could be the cause. Technician B says that misadjusted poppet valves could be the cause. Who is right?
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✓ Correct answer: Both Technician A and B
Both technicians are correct. A damaged flexible coupling in the steering column can cause binding during rotation, and misadjusted poppet valves can create binding in the hydraulic system particularly at the extremes of steering travel.
Q6During inspection of a power steering system, milky fluid is observed in the reservoir. What is the most likely cause?
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✓ Correct answer: Water contamination
Milky power steering fluid typically indicates water contamination, which can occur due to condensation or a defective reservoir cap allowing water entry into the system.
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