Exam 12: In-Vehicle Transmission Repairs

Tech A says that when checking the fluid level on the dipstick, always read the highest level on either side. Tech B says that when reinstalling the pan, start all of the bolts before tightening any of them. Who is correct?

Which feature, found in many scan tools, allows a technician to operate solenoids and other actuators in a transmission.

To diagnose any DTCs found, a series of test will be provided in the service literature; following the procedure step by step is critical for a successful repair.

Technician A says that a stall test can identify a restriction in the transmission cooler. Technician B says that a fluid check never needs to be performed on a sealed transmission. Who is correct?

Technician A says powertrain mounts hold the engine and transmission in proper position in the vehicle. Technician B says a faulty powertrain mount cannot affect throttle linkage. Who is correct?

Technician A says whenever you are removing and installing a transmission, always wear safety glasses. Technician B says transmission fluid, rust, and dirt can drip down from a transmission and cause serious eye injury. Who is correct?

Why is it important to know the functions of a hybrid vehicle and how it operates?

Which of the following is possible if during a stall test, the engine rpm is higher in all gears?

Which of the following is possible if during a stall test, the engine rpm is higher in all gears?

Technician A says powertrain mounts wear out over time. Technician B says fluid leaks can cause powertrain mounts to get soft and separate. Who is correct?

During a stall test, the engine rpm is higher than expected in all gears. Which of the following could be the cause?

If an automatic transmission has a large amount of oil and dirt on it, locating a fluid leak may require cleaning the transmission case. Which of the following is the best way to clean the case?

Which of the following is required when working on and around hybrid vehicles?

What feature, found in many scan tools, allows a technician to operate solenoids and actuators in a transmission?

All hydraulic mounts use a computer-controlled electronic control valve that can open an alternate passageway or vary the size of the orifice inside the mount.

Which of the following tests help identify poor transmission pump performance, restriction in the transmission cooler, torque converter clutch problems, and worn spool valves in the transmission's valve body?

When moving an automatic transmission that has been removed from the vehicle around the repair shop, the automotive technician should get another person to help put the transmission on a cart or work bench.

When checking the effect of throttle pressure on line pressure, which of the following might you read on a properly operating transmission with the throttle valve closed?

To keep themselves and others safe, technicians need to understand the unique operating characteristics of any hybrid electric vehicle they are working on.

Failed powertrain mounts may cause a loud thumping noise. Which of the following operating conditions might this noise due to bad mounts be most prominent?