Vehicle body repair



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2. When and why did manufacturers commence to use metal for the construction of vehicle bodies?




3. What is meant by monocoque construction and why has it become so popular in the motor vehicle manufacturer?




4. State the location and function on a vehicle body of the following section: B post.




5. State the reasons for swaging certain areas of a vehicle floor pan.






6. How are vehicles made safe against side impact involvement?




7. Explain how the airbag system works in a vehicle.




8. Explain the VIN number and why it is used.




9. What is the most common form of vehicle body construction?




10. What are the alternatives to integral construction?




11. What is a crumple zone?




Answers to Questions 1-11. Module 3. Unit 4

1.

Because the technology was not there to build steel bodies.

2.

1927

3.

Monocoque or unity means components welded together to form one piece.


4.

It’s the pillar between the front and rear door on a four door vehicle.


5.

To give strength

6.

By fitting side impact bars inside the doors.

7.

A control module detects deceleration and fires the airbag.

8.

Vehicle identification number is a reference number to identify the vehicle and to be used to order parts if necessary.


9.

Mono unity or integral.

10.

Composite

11.

A section on a chassis that is designed to give way on impact.

Training Resources

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