ASE Full Solution Pack Updated 2024,2025 with complete solutions

A diesel engine oil sample shows excessive copper content. Which of the following would be the most likely source? A. Rod bearings B. Exhaust valves C. Intake valves D. Piston rings - A. Rod bearings (Bearings show up in oil samples as copper.) A diesel engine suddenly loses oil pressure at i...

The right rear brake is dragging on a vehicle with independent rear suspension. All other brakes operate normally. Which of the following could be the cause? A. Damaged right front brake line B. Damaged right rear brake line C. Damaged left rear brake line D. Damaged left front brake line - B ...

Driveshaft imbalance can sometimes be solved by... - Rotating the shaft and reinstalling. Brinelling means? - Bearing raceway has surface indentations. Outer ends of axle shafts can be supported by what 3 types of bearings? - Roller, tapered, and ball Binding U-Joint will damage?? - Extension hou...

The tread of a tire is worn in the center and not on the outer shoulders. Technician A says this is caused by an improper wheel alignment angle. Technician B says this is caused by over inflating the tire. Who is correct? - An over-inflated tire wears the center of the tire's tread. Technician B ...

1. The ABS (antilock brake system) and TRACTION OFF indicator lights remain ON with the engine running. Technician A says to check for ABS or TCS (traction control system) diagnostic trouble codes. Technician B says you can check for ABS or TCS blink codes by connecting two pins of the DLC (Data L...

What are the many causes of steering pull due to front tire abnormalities? - Front tires with different types, sizes, inflation pressure, tread designs, or a front tire with a conicity defect. What is tire conicity? - When a tire bead is not centered on the tire body. The bead forms a cone. Whats...

Two technicians are examining a low charge output on a vehicle. Tech A says if the battery is defective it can block the output of the alternator. Tech B says that a defective stator could be the cause. Who's correct? Tech A Tech B Both Neither - Both Two technicians are discussing a whining...

Technician A says that flush mounted/tight fitting molding that are difficult to mask should be removed prior to refinishing? Technician B says that parts that can be easily removed should be removed prior to refinishing. Who is right? A. A only B. B only C. Both A and B D. Neither A nor b - A...

It is a good idea to routinely replace cooling system hoses: A. after 25,000 miles. B. after 50,000 miles. C. after 100,000 miles. D. based on the OEM schedule. - D is correct While performing a scheduled maintenance test drive, which of the following noises would LEAST LIKELY be scheduled for...

If all around braking performance is poor or low air pressure is prevalent what could be the cause? - Clogged compressor air filter. Slipping belt. Air leaks. Restricted lines. Defective governor. Malfunctioning air compressor. If air system pressure is too high what could be the cause? - Defecti...

The flexible line connected to the front disc brake caliper is cracked. Which of the following should the technician do? a. repair the section of cracked hose using a barb fitting b. replace the hose with a new one c. replace all the rubber hoses on the vehicle d. replace all the rubber and ste...

Who is right? A. Technician A only B. Technician B only C. Both A and B D. Neither A or B - D. Total voltage in a series circuit is equal to the sum of the voltages across the separate resistances. Total current in a series circuit is the same throughout left sides. A vehicle's tum signals fl...

If a vehicle with an air ride suspension won't lower when necessary, what is the most likely cause? - The sensor isn't sending the signal that the rear is too hight What alignment angle would cause dog-tracking? - Rear toe A customer says that their vehicle is difficult to steer, but only in on...

Alternator - The electrical device driven by the engine that recharges the battery. It produces alternating current using rotating field coils inside stationary stator windings Accessories - Parts that add to the appearance or performance of a vehicle Accounts Receivable - Money due from customer...