Chapter 4 Common Suspension System Components
An A-arm type control arm is attached to a vehicles's body at how many places? _______ At how many places is it attached to the spindle? ________
2, 1
Some torsion bars are: (A) adjustable (B) used on the rear (C) really a kind of leaf spring (D) made of fiberglass
A
Define Spring Rate.
A measure of the amount a spring compresses under a given load & time it takes to do so
Spring shackles are used with __________. (A) coil springs (B) leaf springs (C) torsion bars (D) none of the above
B
Strut rods keep the control arms from moving ____________. (A) up and down (B) backward and forward (C) in and out (D) none of the above
B
Transverse leaf springs are being discussed. Technician A says transverse leaf springs are sometimes used on front-wheel drive vehicles. Technician B says transverse leaf springs are often made of a material other than metal. Who is right?
Both A and B
A control arm connected to the frame at two points does not need a ___________. (A) stabilizer bar (B) shock absorber (C) strut rod (D) spring
C
How is a ball joint lubricated if it has no grease fitting? (A) by lifting up the seal and squirting in grease (B) using a needle to puncture the seal (C) drilling a small hole and adding grease by hand (D) none of the above
D
Describe the purpose of a leaf spring shackle.
It allows the leaf spring to change lengths over bumps
Springs convert sharp jolts into soft ___________.
Oscillations
What two factors determine the Spring Rate?
Size, shape
What three ways can a ball joint be attached to the control?
Threaded, pressed, rivets
A driving knuckle has a center hole that allows the ____________ to pass through.
axle
Gas filled shock absorbers tend to ____________ less than conventional shock absorbers.
balance
In an air spring system, air operated ___________ are used in place of coil springs or leaf springs.
bellows
The ball joint connects the ________ ____________ to the _________ ___________.
control arm, steering knuckle
An elastic material can be bent or stretched without being permanently _________.
deformed
All modern shock absorbers are _________ ______________.
direct acting
The gas used in air shock absorbers is usually ____________.
nitrogen
A shock absorber damps road shocks and ocillations by forcing hydraulic fluid through small ____________.
orifices
A transverse spring is mounted ____________ to the vehicle's centerline.
perpendicular
Adding air to an air shock increases pressure on the _________ ___________, causing it to raise the vehicle.
piston rod
The body and control arm depressions used to hold coil springs in place are called spring _____________.
pockets
Torsion bar adjustments change vehicle ____________ _____________.
ride height
Shock absorbers are generally mounted to the suspension and frame through ____________.
rubber bushings
A two-piece ball joint provides an extra __________ surface.
sliding
Preloading keeps the ball joint surfaces from _________ each other when the suspension moves. This reduces __________ _________ and ____________.
striking, shock loading, vibration
A stabilizer bar is sometimes called a _________ bar.
sway
A ________ bushing works by twisting.
torsion
Oscillations are a series of ________ and _________ movements that use up ___________.
up, down, energy
The steering knuckle may be called the __________ ____________.
wheel spindle
