AUTOMOTIVE TORQUE WRENCHES

1. What are the 3 types of torque wrenches?

• beam or deflection, dial indicator, clicker, and digital
• impact, pull and weight
• electrical, solar and battery

2. What size torque wrench is best for cars?

• 1/4 drive 6 inch handle
• 3/8 drive 12 inch handle
• 1/2 inch drive 18 inch handle

3. What kind of torque wrench is most accurate?

• needle indicator
• dial indicator
• Lb indicator

4. What ranges should my torque wrench's be? TWO ANSWERS

• 1/2″ square drive size: Typical torque range of 30-250 ft-lbs.
• 3/8″ square drive size: Typical torque range of 10-150 ft-lbs.
• 1/4 square drive 5 - 125 ft lbs

5. Can you use a torque wrench as a breaker bar

• only on lug bolts
• only on a grade 8 bolt (hardened bolt)
• Never use your torque wrench as a breaker bar

6. What can happen if too little torque is applied?

• will strip threads
• improper bolt can deform and fail to clamp mating parts
• fastener may deform and come loose

7. What can happen if you over torque lug nuts?

• may damage torque wrench
• wheel studs may stress fracture
• may damage brake rotor and bearings

8. Should a bar be slid over torque handle for more leverage?

• set dial to zero and wipe off wrench
• oil lightly
• Option 3

9. Should a torque wrench be left on job with correct settings overnight leverage?

• only on foot lbs. torque wrench
• not if it has a metal handle
• no

10. which of the following make a torque wrench reading inaccurate?

• 12 inch long 3/8 drive extension
• 18mm impact socket
• 13mm impact socket