Chapter 27

A thermostat can fail in which way?

• Stuck open

• Stuck partially open

• Stuck closed

• Any of the above

Coolant drained from the cooling system when replacing a thermostat or water pump should be ______.

• disposed of properly or recycled

• poured down a toilet

• filtered and reinstalled after the repair

• reused

A water pump can fail to provide the proper amount of coolant flow through the cooling system if what has happened?

• The impeller blades are worn or slipping on the shaft

• The coolant is leaking from the weep hole

• The bearing is noisy

• A bearing failure has caused the shaft to become loose

A defective thermostat can cause the powertrain control module (PCM) to set what diagnostic trouble code (DTC)?

• P0300

• P0171

• P0128

• P0172

Intake manifold gaskets on a V-type engine can fail due to what factor?

• Relative movement between the intake manifold and the cylinder head

• Coolant damage

• Fretting

• All of the above

What precautions should be adhered to when installing a plastic intake manifold?

• Install new gaskets if required

• Double check the fastener torque specifications

• Tighten all fasteners in the specified order

• All of the above

The torque specification for many plastic intake manifolds are in what unit?

• Ft-lb per Min

• pound-ft

• Lb-ft per second

• pound inches

What is the recommended unit for expressing torque?

• Ft-lbs per minute

• Pound-feet

• Lb-ft per second

• Pound-inches

When replacing a timing belt, which additional component(s) is/are often recommended to be replaced as well?

• Water pump

• Camshaft oil seal(s)

• Tensioner assembly

• All of the above

Which of the following is NOT a function of engine mounts?

• Transfer engine vibrations into the body of the vehicle

• Isolate engine noise from the frame of the vehicle

• Support the weight of the engine

• Support the torque of the powertrain