Exam 41: Automatic Transmissions and Transaxles

The ____________________ member of a simple planetary gearset is sometimes called the reaction member.

Identify three common configurations used as the final drives on front-wheel drive vehicles.

There are two common designs of compound gear sets: the ____________________ gearset and the Ravigneaux gearset.

The valve body assembly is comprised of the valve body, separator plate, and transfer plate.

Where are lip seals used in an automatic transmission?

Identify the three major types of rubber seals used in automatic transmissions.

Technician A says a Simpson geartrain is an arrangement of two separate planetary gearsets with a common sun gear, two ring gears, and two planetary pinion carriers. Technician B says a Ravigneaux gearset has two sun gears, two sets of planet gears within a single carrier, and two ring gears. Who is correct?

What is the function of the governor in automatic transmissions?

Which of the following components is NOT part of a lockup torque converter?

What manufacturer makes automatic transaxles that do not use planetary gears and are similar in construction and operation to manual transaxles?

____________________ are the wide parts of the spool valve that ride on a thin film of oil in the valve bore of the valve body.

Name at least five components of a multiple disc clutch assembly.

Hypoid final drive gear assemblies are normally found in vehicles with a longitudinally placed engine.

What is a servo?

In addition to the compound planetary gearsets, many automatic transmissions are fitted with an additional single planetary gearset to provide additional forward gear ratios.

The transmission cooler is normally located ______.

_____-type and roller overrunning clutches are used to hold or drive members of the planetary gearset in one direction and allow them to freewheel in the opposite direction.

Excessive pump pressure is controlled by the ____________________ valve.

Multiple disc clutches in an automatic transmission are engaged by spring tension and disengaged by hydraulic pressure.

A Ravigneaux planetary carrier contains both long and short planet pinions.