ASE Practice Test (A2: Automatic Transmission/Transaxle) 2

Question 1

A customer complains that their automatic transmission slips only when cold and shifts normally once at operating temperature. What is the MOST likely cause?

Accepted Answer

Worn or swollen sealing rings on a clutch drum

Answer

Worn clutch packs throughout the transmission

Answer

Low transmission fluid level

Answer

Faulty transmission range sensor

Question 2

During a line pressure test on an automatic transmission, the technician finds pressure is within specifications in all ranges except Reverse, where it is very low. What area should be inspected first?

Accepted Answer

The reverse clutch pack and its apply circuit

Answer

The main pressure regulator valve

Answer

The torque converter clutch solenoid

Answer

The transmission oil pump

Question 3

A technician is performing a stall test on a vehicle with an automatic transmission. The stall speed is 200 RPM HIGHER than the manufacturer's specification. What does this indicate?

Accepted Answer

The transmission has a slipping clutch pack or band

Answer

The torque converter is faulty and the stator is freewheeling

Answer

The engine is producing too much power

Answer

The transmission fluid is overheating

Question 4

What is the function of the torque converter stator?

Accepted Answer

To redirect fluid from the turbine back to the impeller to multiply torque

Answer

To directly connect the engine and transmission at highway speeds

Answer

To regulate hydraulic line pressure within the torque converter

Answer

To prevent the torque converter from spinning in the wrong direction

Question 5

An automatic transmission exhibits harsh engagement when shifting from Park to Drive or Reverse while cold. The condition improves when warm. What is the MOST likely cause?

Accepted Answer

Accumulator piston issues affecting shift cushioning

Answer

Worn front pump seal

Answer

Contaminated transmission fluid causing sticky valve body valves

Answer

Faulty vehicle speed sensor

Question 6

A technician notices that transmission fluid on the dipstick appears dark brown/black and has a burnt smell. What does this indicate?

Accepted Answer

Overheating has occurred, causing clutch material to burn and contaminate the fluid

Answer

The fluid has been contaminated with engine coolant

Answer

Normal fluid color for high-mileage transmissions

Answer

The fluid additive package has separated and is normal