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A MacPherson strut rear suspension system is being discussed. Technician A says worn stabilizer bar bushings cause lateral wheel movement. Technician B says worn stabilizer bar bushings may cause excessive tire tread wear. Who is correct?


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

E) A) and B)
F) B) and C)

Correct Answer

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On a live-axle, leaf-spring rear suspension system, improper rear wheel tracking may be caused by:


A) Sagged rear springs
B) Worn spring insulators
C) A broken spring center bolt
D) Broken spring leaves

E) B) and C)
F) A) and D)

Correct Answer

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Technician A says the ball joint is pressed into the lower control arm in some independent rear suspension systems. Technician B says when tightening the lower control arm to chassis retaining bolts on independent rear suspension systems, the vehicle weight should be resting on the tires. Who is correct?


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

E) None of the above
F) A) and C)

Correct Answer

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In a MacPherson strut independent rear suspension  system:


A) The lower end of each strut is attached to the strut  rod.
B) The spring seats are positioned on the struts.
C) The ends of the coil spring are in direct contact   with the spring seats.
D) The upper spring seat is positioned in a chassis   support.

E) A) and C)
F) A) and D)

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Explain the advantages of an independent rear suspension system.

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An independent rear suspension...

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In a semi-independent rear suspension system, some  individual wheel movement is provided by:


A) The struts
B) The trailing arms
C) The track bar and brace
D) The U-section channel and integral stabilizer bar

E) B) and C)
F) A) and B)

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Explain the advantages of a double wishbone rear suspension system.

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The light-weight upper and lower control...

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In a rear-wheel drive vehicle with a live-axle rear suspension, the acceleration torque tends to rotate the front of the differential downward.

A) True
B) False

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In a modified MacPherson strut independent rear suspension, where is the coil spring located?

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The coil spring is l...

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Reduced curb riding height on the rear suspension causes all of these problems EXCEPT:


A) Increased positive camber on the rear wheels
B) Harsh ride quality
C) Increased positive caster on the front wheels
D) Fast steering wheel return

E) C) and D)
F) A) and D)

Correct Answer

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Some semi-independent rear suspensions have a solid inverted U-section channel connected between the trailing arms.

A) True
B) False

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Reduced rear curb riding height may cause damaged rear strikeout bumpers.

A) True
B) False

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