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Shock Absorbers

NATEF TASK A4 C3.1 P-2. Shock Absorbers. Before you start Think!. Why are you performing this task? What does a shock absorber do? What are some indications that a shock needs replacement? On which vehicle are you going to perform this task? What tools will you need?

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Shock Absorbers

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  1. NATEF TASK A4 C3.1 P-2 Shock Absorbers

  2. Before you startThink! • Why are you performing this task? • What does a shock absorber do? • What are some indications that a shock needs replacement? • On which vehicle are you going to perform this task? • What tools will you need? • Where can you find the shock fastener torque specifications? • What are the most common types of shock absorbers?

  3. What does a shock absorber do? • Shock absorbers limit spring oscillations to smooth out the vehicle’s ride. • Without shock absorbers, the vehicle would continue to bounce long after hitting a bump or dip in the road surface. • This loss of contact with the road surface can reduce braking and cornering effectiveness, as well as create a very uncomfortable ride.

  4. What are some indications that a shock needs replacement? • Worn shock absorbers can cause a vehicle to ride poorly, especially on bumpy roads. • The vehicle will continue to jounce and rebound after hitting bumps • Loose or broken shock absorbers can also make loud clunking or banging noises • Fluid leakage around the top of the shock absorber indicates the need for replacement • Dents or other damage are also indications of the need for replacement

  5. What tools will you need? Combination wrenches Tripod Hoist Sockets and Torque Wrench Eye Protection

  6. Can you find the shock fastener torque specifications? • All-Data or other service information system • Service manual for the vehicle • Google it!

  7. The most common types of shock absorbers Standard Shock Absorber Least expensive oil filled shock Adjustable Shock Absorber Has adjustable stiffness for a smooth ride or better handling Gas-Charged Shock Absorber Gas-Charged shock absorbers use a low pressure gas to help keep the oil from foaming Self Leveling Shock Absorber Help maintain constant vehicle height

  8. Documentation • Have your service writer print out the task sheets for your group • Look up shock fastener torque specifications • Help your service writer look up and print procedure for shock replacement (1 copy/group)

  9. QUESTIONS? Vance Bloom vbloom@cte-auto.net www.cte-auto.net/NC12/index.html

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