Module Review Flashcards
The bearing grease most often specified is rated NLGI ________.
2
A non-drive-wheel bearing adjustment procedure includes a final spindle nut tightening torque of ________.
5 lb. in.
After a non-drive-wheel bearing has been properly adjusted, the wheel should have how much end play?
0.001 - 0.005 in.
The differential cover must be removed before removing the rear axle on which type of axle?
C-Lock
Tire inflation is very important to the safe and economical operation of any vehicle. Technician A says that the tire pressure should never exceed the maximum pressure imprinted on the sidewall of the tire. Technician B says to inflate the tires to the pressure recommended on the tire information decal or placard on the driver’s door. Which technician is correct?
Both Technicians A and B
When purchasing replacement tires, do not change tire width from stock size by more than ________.
10mm
What do the letter JJ mean in a wheel designation size labeled 14 X 7JJ?
The shape of the flange area
Technician A says that a PAX run-flat tire uses a special wheel. Technician B says that a standard tire can be used to replace a PAX run-flat tire. Which technician is correct?
Technician A only
The most common torque specification range for lug nuts is ________.
80-100 lb. ft.
Which statement is false?
a. Excessive radial runout can cause a tramp-type vibration
b. Excessive lateral runout can cause a tramp-type vibration
c. A tire out of balance dynamically can cause a shimmy-type vibration
d. A tire out of balance statically can cause a tramp-type vibration
b. Excessive lateral runout can cause a tramp-type vibration
The recommended type of wheel weight to use on aluminum (alloy) wheels is ________.
Coated (painted) lead weights
Most vehicle and tire manufacturers recommend that no more than ________ ounces of balance weight be added to a wheel/tire assembly.
5.5
A vehicle makes a loud noise while traveling over bumpy sections of road. Technician A says that worn or deteriorated control arm bushings could be the cause. Technician B says that worn or deteriorated strut rod bushings could be the cause. Which technician is correct?
Both Technicians A and B
Two technicians are discussing MacPherson struts. Technician A says that in most applications the entire strut assembly rotates when the front wheels are turned. Technician B says a typical MacPherson strut suspension system uses only one control arm and one ball joint per side. Which technician is correct?
Both Technicians A and B
Technician A says that regular replacement shock absorbers will raise the rear of the vehicle that is sagging down. Technician B says that replacement springs will be required to restore the proper ride height. Which technician is correct?
Technician B only
A vehicle used for 24-hour-a-day security was found to have damaged suspension-limiting rubber jounce bumpers. Technician A says sagging springs could be the cause. Technician B says defective or worn shock absorbers could be the cause. Which technician is correct?
Both Technicians A and B
Unusual noise during a test drive can be caused by which of the following?
A.) Defective wheel bearings or stabilizer bar links.
B.) Defective or worn control arm bushings or ball joints.
C.) Worn or defective CV joints.
D.) All of the above
D.) All of the above
Before the strut insert can be removed from a typical MacPherson strut assembly, which operation is necessary to prevent possible personal injury?
The coil spring should be compressed.
What should the technician do when replacing stabilizer bar links?
The links can be replaced individually, yet the manufacturer often recommends that the links at both ends be replaced together.
A noise and a pull toward one side during braking is a common symptom of a worn or defective ________.
Strut rod bushing
Technician A says that all leaf springs are mounted lengthwise on the rear of many vehicles. Technician B says that some vehicles use a transversely mounted leaf spring on the rear. Which technician is correct?
Technician B only
A strut-type suspension is used ________.
In both the front and rear.
Two technicians are discussing rear shock absorbers. Technician A says that if one shock is leaking, then both rear shock absorbers should be replaced. Technician B says that the rear axle should be supported before removing rear shock absorbers. Which technician is correct?
Both Technicians A and B
Technician A says that installing new gas shock absorbers will raise the rear of the vehicle. Technician B says that the shock absorbers usually limit the downward travel of the rear suspension. Which technician is correct?
Technician B only
Technician A says that an electronic control module used in the suspension system is the same as that used for engine control. Technician B says that most electronically controlled suspension systems use a separate electronic control module. Which technician is correct?
Technician B only
Which of these actuators is used on electronically controlled suspensions?
A.) Solenoid
B.) Relay
C.) Electric motor
D.) All of the above
D.) All of the above
Why is the typical rear load-leveling system connected to the ignition circuit?
A.) To keep the system active for a given time after the ignition is switched off.
B.) To prevent the system from working unless the ignition key is on.
C.) To keep the compressor from running for an extended period of time.
D.) All of the above
D.) All of the above
Which sensor can be tested by unbolting the sensor and with the ignition on, engine off (KOEO), looking at the scan tool data?
“G” sensor
The circuit to the airbag inflation module is connected from the steering column to the steering wheel through what component?
A. Slip ring and carbon brushes
B. Clockspring (coil)
C. Magnetic field sensor
D. Hall-effect switch
B. Clockspring (coil)
Which part in the steering column allows for changes in the angle between the upper and lower shafts?
A. Flexible coupling
B. Column cover
C. Universal joint
D. Collapsible section
C. Universal Joint
Technician A says that the ignition switch is located where the key is inserted. Technician B says that the ignition switch is controlled by the ignition lock cylinder through a lever and actuating rod. Which technician is correct?
Technician B only
The Pitman shaft is also called the ________ shaft.
A. Sector
B. Input
C. Worm
D. Spline
A. Sector
What is the MOST likely cause of bump steer?
A. Worn outer tie rod ends
B. A worn center link
C. Worn or oil-soaked rack bushings
D. A lack of proper lubrication of all ball-and-socket joints
C. Worn or oil-soaked rack bushings
How much endplay is usually acceptable in tie rod ends?
A. Zero
B. 0.001 to 0.030 in.
C. 0.030 to 0.050 in.
D. 0.050 to 0.100 in.
A. Zero
Technician A says that outer tie rod ends should be replaced in pairs, even if only one is worn. Technician B says that inner tie rod ends should be replaced in pairs, even if only one is worn. Which technician is correct?
Both Technicians A and B
Which tool is NOT recommended to be used to separate tapered components because it can do harm?
A. Taper breaker
B. Pickle fork
C. Tie rod removal puller
D. Two hammers
B. Pickle fork
Two technicians are discussing the proper procedure for bleeding air from a power steering system. Technician A says that the front wheels of the vehicle should be lifted off the ground before bleeding. Technician B says that the steering wheel should be turned left and right with the engine off during the procedure. Which technician is correct?
Both Technicians A and B
A power steering pressure test is being performed, and the pressure is higher than specifications with the engine running and the steering wheel stationary in the straight-ahead position. Technician A says that a restricted high-pressure line could be the cause. Technician B says that internal leakage inside the steering gear or rack-and-pinion unit could be the cause. Which technician is correct?
Technician A only
A vehicle with power rack-and-pinion steering is hard to steer when cold (temporary loss of power assist when cold). The most likely cause is ________.
A. Leaking rack seals
B. A defective or worn power steering pump
C. Worn grooves in the housing by the spool valve seals
D. Use of incorrect power steering fluid
C. Worn grooves in the housing by the spool valve seals
Integral power steering gears use ________ for lubrication of the unit.
A. SAE 80W-90 gear lube
B. Chassis grease (NLGI #2)
C. Power steering fluid in the system
D. Molybdenum disulfide
C. Power steering fluid in the system
The brake pedal assembly uses a mechanical lever to ________.
a. Increase the driver’s force on the pedal applied to the master cylinder.
b. Increase the distance the brake pedal needs to be depressed by the driver
c. Decrease the driver’s force on the brake pedal applied to the master cylinder
d. Allow for clearance between the brake pedal and the floor when the brakes are applied
a. Increase the driver’s force on the pedal applied to the master cylinder
The friction between two surfaces is affected by all EXCEPT:
a. Speed difference between the two surfaces
b. Surface finish
c. Frictional material
d. Heat
a. Speed difference between the two surfaces
Technician A says that the thicker or heavier the disc brake rotor, the more heat can be absorbed. Technician B says that the faster the vehicle is traveling when the brakes are applied, the greater the amount of heat created in the brake system. Which technician is correct?
Both Technicians A and B
All of the following are types of brake fade EXCEPT:
a. Mechanical fade
b. Lining fade
c. Gas fade
d. Rotor fade
d. Rotor fade
Brake fluid pressure is measured in what unit?
a. Sq. in.
b. Pounds
c. Inches
d. PSI
d. PSI
How much brake fluid is in a typical master cylinder reservoir?
a. One gallon
b. Enough to allow all brakes to become completely worn
c. 15 to 20 liters
d. One pint
b. Enough to allow all brakes to become completely worn
What part in the master cylinder helps keep air from contacting the brake fluid yet allows the fluid level to drop as the disc brakes wear?
a. Vent valve
b. Compensating valve
c. Residual valve
d. Rubber diaphragm or floating disc
d. Rubber diaphragm or floating disc
The brakes on a vehicle work okay for a while, then the vehicle slows because the brakes self-applied. Technician A says that an overfilled master cylinder could be the cause. Technician B says that a blocked vent port (compensating port) could be the cause. Which technician is correct?
Both Technicians A and B
A combination valve includes ________.
a. Metering and proportioning valves
b. Proportioning and pressure-differential valves
c. Proportioning, metering and pressure-differential valves
d. Any of the above depending on the make and model
d. Any of the above depending on the make and model
A residual check valve is used to ________.
a. Maintain a slight pressure on the hydraulic system
b. Prevent front wheel lockup during hard braking
c. Prevent rear wheel lockup during hard braking
d. Speed brake release to reduce brake wear
a. Maintain a slight pressure on the hydraulic system
Technician A says that the red brake warning light can be turned on if a difference in pressure is detected by the pressure-differential switch. Technician B says that the red brake warning light can be turned on if the brake fluid level sensor detected low brake fluid level. Which technician is correct?
Both Technicians A and B
Which type of vehicles most often do not use metering valves?
a. Rear-wheel drive
b. Four-wheel drive
c. Front-wheel drive
d. All-wheel drive
c. Front-wheel drive
Technician A says that DOT 5 brake fluid can be added to DOT 3 brake fluid. Technician B says that it is wise to purchase brake fluid that is in metal rather than plastic containers. Which technician is correct?
Technician B only
As brake fluid ages, what happens?
a. The boiling temperature decreases
b. The boiling temperature increases
c. The viscosity (thickness) decreases
d. The color changes to purple
a. The boiling temperature decreases
Technician A says that glycol-based brake fluid causes the seals to swell slightly. Technician B says that the DOT 5 (silicone based) brake fluid causes rubber seals to swell slightly. Which technician is correct?
Technician A only
The two types of flares used on brake lines are ________.
a. SAE and DOT
b. Double flare and ISO
c. Ball flare and bubble flare
d. SAE and double flare
b. Double flare and ISO
Technician A says that star wheel adjusters use different threads (left and right handed) for the left and right sides of the vehicle. Technician B says that a pawl controls the teeth of the starwheel adjuster. Which technician is correct?
Both Technicians A and B
Technician A says that drum brakes can fail to slow the vehicle if driven through deep water. Technician B says that when drum brakes get hot, the brake pedal will drop because the drum expands away from the shoes. Which technician is correct?
Both Technicians A and B
Technician A says that self-adjusters used on most drum brakes work when the brakes are applied, then release while traveling in reverse. Technician B says that some adjusters can over adjust if the brake drums are hot. Which technician is correct?
Both Technicians A and B
Drum brake shoes ________.
a. Can have riveted linings
b. Can have bonded linings
c. Can have one shoe that is longer than the other on the same wheel brake
d. All of the above are possible
d. All of the above are possible
Technician A says that starwheel adjusters use different threads (left and right handed) for the left and right sides of the vehicle. Technician B says that the threads and end caps of the adjusters should be lubricated with brake grease before being installed. Which technician is correct?
Both Technicians A and B
Technician A says that many vehicle manufacturers recommend that wheel cylinders not be honed because of the special surface finish inside the bore. Technician B says that seal expanders are used to help prevent the lip of the cup seal from collapsing when the brakes are released. Which technician is correct?
Both Technicians A and B
Most manufacturers recommend that brake parts should be cleaned with ________.
a. Clean water only
b. Denatured alcohol
c. Stoddard Solvent
d. Detergent and water
b. Denatured alcohol
Old brake shoes are often returned to the manufacturer when new friction material is installed. These old shoes are usually called the ________.
a. Core
b. Web
c. Rim
d. Nib
a. Core
A quick-take-up master cylinder is required when what type of caliper design is used on a vehicle?
a. Fixed
b. Two-piston
c. Sliding
d. Low-drag
d. Low-drag
Technician A says that all vehicles equipped with rear disc brakes use a parking brake that is integrated in the caliper. Technician B says that all vehicles equipped with rear disc brakes use a small drum brake inside the rear rotor for a parking brake. Which technician is correct?
Neither Technician A nor B
The brake pad edge code letters “FF” mean ________.
a. Brand name
b. Coefficient of friction rating
c. Quality factor
d. Noise level rating
b. Coefficient of friction rating
Semi metallic brake pads are made by a process called ________.
a. Sintering
b. Melting
c. Grating
d. Composition
a. Sintering
Which is NOT a recommended type of grease to use on brake parts?
a. Silicone grease
b. Wheel bearing (chassis) grease
c. Synthetic grease
d. Antiseize compound
b. Wheel bearing (chassis) grease
Technician A says that many rear disc brake caliper pistons must be turned to retract before installing replacement pads. Technician B says that some vehicles equipped with rear disc brakes use a small drum brake as the parking brake. Which technician is correct?
Both Technicians A and B
A vehicle is hoisted during routine service and the service technician discovers that the left-front wheel does not turn when force is applied. Technician A says that the hoist (lift) pads could be against the left front tire. Technician B says that the disc brake caliper piston stuck in the bore is the most likely cause. Which technician is correct?
Both Technicians A and B
Technician A says that a steel piston should be cleaned with sandpaper to remove rust. Technician B says that the brake assembly fluid or clean brake fluid should be used to lubricate the caliper pistons before installing in the caliper. Which technician is correct?
Technician B only
When bench bleeding a dual master cylinder, which end is bled first? The front (nose) end or the rear (brake pedal) end?
The rear (brake pedal) end
