E. LearndmvDMV PRACTICE
Find your state Exam types Practice tests Sign in Create account ↗
Practice quizzes / ASE S4 Brakes (School Bus) Practice Questions - ASE S4 - Brakes (School Bus) Certification Exam / Question 51552
Practice question

Technician A says a leaking wheel seal can contaminate brake linings and must be corrected. Technician B says the wheel seal also retains bearing lubricant and keeps out contaminants. Who is correct?

  1. Both A and B
  2. A only
  3. B only
  4. Neither A nor B

Answer: A — Both A and B

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: ASE S4 Brakes (School Bus) Practice Questions - ASE S4 - Brakes (School Bus) Certification Exam →
Learndmv.

Thoughtful practice for the road ahead. Find permit, road signs and CDL preparation by state.

Explore

Practice by stateAll practice testsExam types

Your account

My profilePractice historyAccount security

Get started

Create accountSign inSitemap
© 2026 LearndmvIndependent practice resource · Not affiliated with any state DMV.