A technician is diagnosing a car that had both front brake hoses replaced 5,000 miles ago. An inspection reveals that the right front brake hose has ruptured. Technician A says the specifications called for DOT 3 fluid; using DOT 4 fluid caused the failure. Technician B says the brake hose was twisted and stressed too much when installed. Who is correct?
A)A only
B)B only
C)both A and B
D)neither A nor B

Question

Quizplus · Accepted Answer

Technician B is correct because a twisted or improperly installed brake hose can lead to stress and eventual rupture. The type of brake fluid (DOT 3 vs. DOT 4) would not cause a brake hose to rupture, as both types are compatible and DOT 4 can often be used in systems designed for DOT 3 without causing damage to the hoses.

A Technician Is Diagnosing a Car That Had Both Front