Revision question · Braking systems

Which component will last longer when you use a retarder?

Revision material from the imported DVSA bank includes source-checked Lanekind learning corrections. These corrections are not newly issued official examination questions, and practice does not reproduce a live test paper.

Answer options

The brake linings

The catalytic converter

The exhaust system

The transmission

Show the answer

The brake liningsThis was the right answer

By using a retarder, the life of the brake linings is extended. This is because a retarder works by slowing the vehicle without using the wheel-mounted brakes.

Reviewed reading for this question

Save the service brakes on a long descentReviewed guidance summary · These test brake fade’s heat cause, downhill risk, suitable gearing, retarder purpose and reduced friction-lining wear; air loss and worn linings are different faults.

Loading the questions