Michigan ase a5 brakes - Study guides, Class notes & Summaries

A vehicle is equipped with a vacuum brake booster. It doesn't have power assist until the engine runs for a minute, then it begins to work normally. What is the most likely reason? A. Defective check valve B. Adjusted brake pedal push rod is too short C. Front brake disc is worn D. Engine requires a tune-up to produce a higher vacuum at idle speed - Answer Correct answer A - The defective check valve causes a loss in vacuum when the engine is off. That's why the power assist begins to func...

The brakes are dragging on a vehicle. this could be cause by a. overfilled master cylinder reservoir b. low vacuum to the boost c. bypassing master cylinder d. quick take-up valve stuck open - Answer A : overfilled master cylinder reservoir why : an overfilled master cylinder reservoir cylinder would not allow for fluid expansion. this would cause the brakes to self apply as the fluid expanded as result in brake drag The brake pads are worn at an angle on a vehicle with a sliding b...

A spongy brake pedal may be caused by: a. ABS Diagnostic Trouble Code set b. Frozen caliper piston c. Defective metering valve. d. Air in hydraulic system - Answer D This question is not like the others. It has the word EXCEPT. For this question, look for the choice that could NOT cause the described situation. Read the entire question carefully before choosing your answer. A vehicle has a very erratic brake pulling concern while applying the brakes. All of the following items could cause...