Practice question
On a school bus air suspension, the height control valve's primary function is to:
- Regulate engine air intake
- Control brake pressure
- Charge the batteries
- Maintain a constant chassis ride height by adding or releasing air as load changes
Answer: D — Maintain a constant chassis ride height by adding or releasing air as load changes
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Practice more: ASE S5 Suspension & Steering (School Bus) Practice Questions - ASE S5 - Suspension & Steering (School Bus) Certification Exam →