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Describe the purpose of spring insulators.

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Spring insulators prevent meta...

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With regard to removing a coil spring from a strut, explain the precaution that must be observed before loosening the strut rod nut.

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Be sure a spring compressor to...

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Heavy-duty shock absorbers are pressurized with nitrogen gas to a pressure of:


A) 180 psi
B) 260 psi
C) 360 psi
D) 540 psi

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Describe the manual shock absorber test procedure.

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Disconnect the shock absorber at the low...

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All of the following statements about shock absorber design and operation are true EXCEPT:


A) A nitrogen gas charge in a shock absorber prevents oil foaming
B) The oil flow through the orifices and valves is matched to the spring's strength and deflection rate
C) A typical shock absorber may have 70 percent of the total control on the extension cycle
D) During jounce wheel travel, the piston is moving upward in the shock absorber bore of the lower tube housing

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The main function of a shock absorber or strut is to:


A) Prevent wheel shimmy
B) Reduce lateral wheel movement
C) Prevent fore-and-aft wheel movement
D) Control spring action

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Technician A says the single-tube design of a heavy-duty shock absorber prevents excessive heat buildup. Technician B says the high-quality seal in a heavy-duty shock absorber provides longer life. Who is correct?


A) A only
B) B only
C) Both A and B
D) Neither A nor B

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A shock absorber with an 80/20 ratio offers more resistance to movement on which cycle?

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The extens...

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Describe the vehicle safety hazards created by worn-out shock absorbers or struts.

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Worn-out shock absorbers or st...

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Shock absorbers and struts provide all of these functions EXCEPT:


A) Improving ride quality
B) Improving tire tread life
C) Maintaining proper curb riding height
D) Improving directional stability

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What does the nitrogen gas charge in a shock absorber/strut do?

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It prevent...

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Travel-sensitive struts:


A) Have an adjustment on the outside of the strut
B) Provide more resistance to oil movement when   compressed
C) Provide more resistance to oil movement when  driving on a smooth road surface
D) Bypass some of the oil past the piston when  compressed

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