Automotive Practice 3

A vehicle has a steady pull to the left. All of these will cause this condition EXCEPT:

• The caster angle

• Low tire pressure

• The camber angle

• Steering U-joint coupling

The rear tires on a vehicle with independent rear suspension are worn on the inside tread. Which of the following is MOST likely the cause of this condition?

• The toe

• Underinflated tires

• The caster

• None of the above

What can cause grabby brakes?

• Bad master cylinder

• Contamination from oil or grease

• low brake fluid

• Bad brake booster

A vehicle pulls to the left only while braking. Technician A says this could be a restricted left front brake line. Technician B says this could be a frozen right front caliper. Who is correct?

• Technician A

• Technician B

• Both A and B

• Neither A or B

Front brake rotors are being re-finished using the on car brake lathe. Student A says you can use an impact wrench to tighten the hub adapters. Student B says you should mic the rotors before starting to check specification. Who is right?

• Student A

• Student B

• Both

• Neither

A technician is performing an electrical system parasitic draw test which of these is an acceptable measurement?

• 75 mV

• 100 mA

• 25 mv

• 50 mA

At idle a vehicle's battery should have how many volts?

• 12.0

• 12.6

• 13.9

• 15.1

A vehicle's right front wheel has a growl that increases with vehicle speed. The MOST likely cause is:

• Excessive rotor lateral run out.

• Warped rear brake drums.

• Worn CV-Joint.

• Worn wheel bearing.

A car is in the shop for a tire rotation.

Student A says it’s a good idea to inspect the brakes while the wheels are off.   Student B says you can use an Impact wrench to torque the wheels as long as you use the star pattern. Who is right?

• Student A

• Student B

• Both

• Neither

New tires are being installed on a truck. Student A says it doesn’t matter which side wall is in or out. Student B says to install correct tire pressure found on the side wall of the tire. Who is correct?

• Student A

• Student B

• Both

• Neither