Grade 12 - Power Train

It is expected that students will:

inspect engines, engine support systems, and driveline components
maintain or repair at least one of the following:
- an engine
- an engine support system
- a driveline component

Instruct students in the use of diagnostic tools (e.g., compression tester, oil pressure tester, stethoscope , coolant pressure tester) and demonstrate the process for checking drivetrain components. Have students evaluate the condition of an engine and complete an engine condition evaluation sheet. Assist students with their evaluations by providing information on how to access manufacturersÕ specifications.
In small groups, have students prepare a report outlining repair options and costs based on their diagnosis of drivetrain components. Have each group present its findings to the class. Engage the class in a discussion on the factors that may have produced, activated, or been responsible for a particular problem with a power train component. Have students list what factors might influence the decision regarding the course of action for repairs (e.g., time, cost, vehicle age, and condition). As an extension, students could interview vehicle owners or local automotive technicians to gather information about common problems that occur in the power train.
Use a video to give students an overview of driveline function.
Have students perform minor repairs on power train components (e.g., valve adjustment, water pump replacement, thermostat, radiator, CV or universal joints).
Have students use a shop manual to create a flow chart showing the correct sequence of steps required in transmitting power from the engine to the wheels. Have students display and explain their flow charts.

Have students conduct a diagnostic test on an engine (e.g., compression, oil pressure). Observe each studentÕs ability to:
- accurately obtain, record and interpret results
- evaluate condition based on results
- recommend any necessary repairs.
When students perform an inspection on a cooling system, observe their ability to:
- measure the specific gravity of the coolant
- check coolant flow
- pressure test the cooling system.
Have students inspect a driveline universal joint or constant velocity joint. Observe studentÕs ability to:
- evaluate condition of the component
- service or replace the component as required
- accurately perform the task.

Print Materials

Video

Revised: December 2001