Question During the pre-trip vehicle inspection test: Answers Applicants will not have to identify the ABS. Windshield wipers are not to be addressed. Shock absorbers only need to be checked on one axle. The steering box should be checked for leaks. Explanation During the external inspection portion of the pre-trip vehicle inspection test, you must verify that the steering box is securely mounted and not leaking. Take a FREE Practice Test Now This questions appears in the following tests: Pennsylvania Knowledge Test Class A , Delaware Bus , Illinois Bus ,