Chasis

After a non-drive-wheel bearing has been properly adjusted, the wheel should have how much end play?

0.001 to 0.005 in.

When using a torque limiting adapter (stick) with an air impact wrench, what is the suggested maximum air pressure for the air tool?

125 psi

All vehicles sold in the United States must have a tire pressure monitoring system, starting with model year ________.

2008

Anytime a set of aluminum wheels is installed, the lug nuts should be re-torqued after how many miles?

25

The FMVSS 138 law requires that the driver be notified if the tire inflation pressure drops how much?

25%

When seating a bead of a tire, never exceed ________ psi.

40

For best tire life, most vehicle manufacturers recommend tire rotation every ________.

6000

Technician A says that a tire pressure monitor system that uses a valve-stem-type transmitter is the direct reading type of TPMS. Technician B says that a tire pressure monitoring system that uses a sensor inside and strapped to the wheel is an indirect reading type of TPMS. Which technician is correct?

A only

A tire with lower than specified inflation pressure could lead to what condition?

All of the above

To activate or learn a direct pressure sensor, what does the service technician need to do?

Any of the above, depending on the vehicle and system

Two technicians are discussing the indirect tire-pressure monitoring system. Technician A says that it was used by some vehicle manufacturers on vehicles before the 2008 model year. Technician B says that it uses the speeds of the RF and LR tires and compares the rotating speeds of the LF and RR tires to detect a low tire. Which technician is correct?

B Only

When rotating tires on a vehicle equipped with TPMS Technician A says that the sensors will be automatically relearned after driving a few miles. Technician B says that the sensor positions might need to be relearned, using a scan tool, before returning the vehicle to the customer. Who is correct?

BOTH techs

Proper tire inflation pressure specification is found ________

Both A & B

Tech A says that a replacement tire must have the same size, and weight rating as the other tires on the vehicle. Tech B says that a replacement tire should be installed as an "axle set" (meaning two tires match on the front or rear axle of the vehicle). Who is correct?

Both Tech

Two technicians are discussing differentials. Technician A says that all differentials are vented. Technician B says that a clogged vent can cause the rear axle seal to leak. Which technician is correct?

Both Techs

Two technicians are discussing tire pressure and temperature. Technician A says that tire pressure will drop 1 PSI for every 10 degrees drop in temperature. Technician B says that the tire pressure will increase as the vehicle is being driven. Which technician is correct?

Both Techs

A vehicle vibrates at highway speed. Technician A says that water in the tire(s) could be the cause. Technician B says that an out-of-round tire could be the cause. Which technician is correct?

Both techs

Technician A says that a defective wheel or axle bearing often makes a growling or rumbling noise. Technician B says that a defective wheel or axle bearing often makes a noise similar to a tire with an aggressive mud or snow design. Which technician is correct?

Both techs

Technician A says that inflation pressures vary with outside temperature. Technician B says that under-inflated tires cause reduced fuel economy. Which technician is correct?

Both techs

Technician A says that it is recommended that the vehicle be driven less than 50 mph for the first 50 miles to allow the tire to adhere to the wheel. Technician B says that sudden hard acceleration with newly mounted tires can cause the tire to change position on the wheel. Which technician is correct?

Both techs

Tire inflation is very important to the safe and economical operation of any vehicle. Technician A says that the pressure should never exceed the maximum pressure imprinted on the sidewall of the tire. Technician B says to inflate the tires to the pressures recommended on the tire information decal or placard on the driver's door. Which technician is correct?

Both techs

The differential cover must be removed before removing the rear axle on which type of axle

C-lock

What does the "delta pressure method" mean?

Change the inflation pressure

The recommended type of wheel weight to use on aluminum (alloy) wheels is ________.

Coated (painted) or stick-on lead weights

Which tire inflation information should be checked to determine the proper tire inflation pressure?

Cold placard inflation pressure

A hole in the tire tread can be patched with ________.

Either a patch or a plug. C

A non-drive-wheel bearing adjustment procedure includes a final spindle nut tightening torque of ________.

Finger tight

What feature of an axle seal is the arrow point to?

GARTER SPRING

In the tool setup shown here, the technician is preparing to measure

Lateral runout

Using the modified X-method of tire rotation on a front wheel drive vehicle, where should the left front wheel be placed?

Left rear

Which type of bearing uses small thin rollers?

Needle

Technician A says that most manufacturers recommend using lug nut grease on lug studs when installing wheels. Technician B says that air impact wrenches are the best tool to tighten lug nuts. Which technician is correct?

Neither tech

What type of valve core is used in stem-mounted sensors?

Nickel plated

What term describes a condition when the rear tires lose traction before the front tires?

Oversteer

Wheel back spacing is also called ________.

Rear spacing

What is the purpose of a wheel bearing?

Reduce friction Transfer weight

Why are double row ball bearings frequently used on FWD vehicles?

Reduced friction Better resistance to seizing

What mode does a direct pressure sensor enter when the vehicle is stopped?

Sleep mode

A tire is labeled 215/60R_15 92T; the T indicates ________.

Speed rating

The two basic types of direct TPMS sensors include ________.

Stem mounted and banded

A vehicle with TPMS has tire pressure warning light on steady. The owner says that all 4 tires have the correct pressure. Technician A says that the spare tire pressure could be low. Technician B says that a sensor may be bad. Who is correct?

Tech A only

Technician A says that all FWD vehicles use adjustable front wheel bearings. Technician B says that most FWD vehicles use sealed non-adjustable front wheel bearings. Which technician is correct?

Tech B only

A 2008 vehicle with TPMS has a flashing TPMS warning lamp. This means ________.

The TPMS has detected a fault with a sensor

What do the letters JJ mean in a wheel designation size labeled 14 _ 7JJ?

The shape of the flange area

On a tire marked 215/75/r15 The R15 means -

The tire is a radial design with a 15 inch diamater

A tire date coded 3412 means;

The tire was made the 34th week of 2012

What is the function of the part the technician is holding (arrow)? Axle

This component retains the axle in the side gear

Choose the correct statement.

Tire pressure should be set cold.

A tire is worn excessively on both edges. The most likely cause of this type of tire wear is ________.

Underinfaltion

What lubricant should be used when mounting a tire?

Water-based soap or tire paste

Wheel lug nuts should be tightened ________.

With a torque wrench or torque stick

With a tire marked 215/65/R17 the 215 stands for;

a tread that is 215 mm wide

What is the term used to describe mounting a tire with the valve stem lined up with the dot painted on the tire?

match mounting

A leak in a tire can be found using ________.

soapy water

What is the proper tightening sequence for lug nuts?

star (criss-cross)

Compressed nitrogen is sometimes used for tire inflation because it holds less moisture than compressed air.

true