Engine Repair
Which of the following would not cause an engine to overheat?
Stuck open thermostat
The resistance of most linear shift solenoids is:
4 to 6 ohms
In regard to the tire size P205/75R14, what does the 75 designate?
Aspect ratio
Generally, brake pedal free play should measure between:
1/8" and 1 1/2"
What is the tool on page 2?
Combination wrench?
What type of piston uses replaceable wrist pin clips?
Full floating
All of the following are true regarding spool valves except:
Fluid flow is permitted by the lands
They were named after a spool of thread
The smaller-diameter portion of the valve is called a valley or groove
The larger-diameter portion of the valve is called the land
Fluid flow is permitted by the lands
What kind of spring is most often used in the independent front suspension (IFS) of a 4x4 truck?
Torsion bar
Which brake bleeding procedure allows all four wheel brakes to be bled at once?
Gravity bleeding
What is the tool on page 62?
Crow foot
Considering a standard production four-stroke engine, how often does the power stroke occur on an 8-cylinder engine?
Every 1/4 rotation (90 degrees)
Technician A says if the vehicle does not move in drive or reverse, the problem is likely electrical or hydraulic. Technician B says if the vehicle moves but does not shift correctly, the problem is likely mechanical.
Who is correct?
Neither A nor B
Two technicians are discussing electronic power steering (EPS) systems. Technician A says some EPS systems operate on voltages higher than 12 volts. Technician B says most EPS systems use asynchronous motors.
Tech A
A customer complains of a pulsation in the brake pedal during an emergency braking situation. What does this indicate?
Normal ABS operation
What is the tool on page 91?
Diagonal cutter
Technician A says a blocked cooling passage can cause a valve to burn. Technician B says a corroded head gasket can cause a valve to burn.
Who is correct?
Both A and B
A technician is measuring line pressure. The engine is idling and the transmission is in neutral, "N". If the transmission is working properly, what line pressure range should the technician expect?
60 to 120 PSI
Typically, idler arm play should not exceed:
1/4"
Technician A says hard spots on a brake drum are usually caused by brake temperatures that are too high. Technician B says cracks in a brake drum are usually caused by brake temperatures that are too high.
Both A and B
What is the tool on page 128?
Non-conductive composite nut driver set
An inline four-cylinder cylinder head is being checked for warpage using a straight edge and a feeler gauge. Generally, the overall clearance between the cylinder head and the straight edge should not vary by more than how much?
0.004 degrees
Two technicians are discussing one-way clutches. Technician A says a one-way roller clutch consists of a hub, rollers, and springs that fit inside a drum. Technician B says a one-way roller clutch uses sprags to lock and unlock the clutch.
Who is correct?
Tech A
A customer complains that the steering wheel is hard to turn at low speeds. Which of the following is the least likely cause?
Broken power steering pump mounting brackets
A worn tie rod end
Underinflated tires
Engine idle speed below specification
A worn tie rod end
A rotational humming noise is heard while driving. The noise fluctuates when the driver goes over a variety of road surfaces. Technician A says the most likely cause is a defective wheel bearing. Technician B says the most likely cause is worn tires.
Who is correct?
Tech B
What i the tool on page 54 is?
Dial and light indicator torque wrench