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WorksheetsVF11 Suspension systems
Total questions: 15
Worksheet time: 8mins
What would the three tools shown below be used for when removing and refitting suspension components?
a. Compressing coil spring
b. Removing / splitting ball joint taper.
c. Tighten nuts/bolts to correct torque
d. Aligning the vehicle's wheels
Give one possible effect on the vehicle for each of the following suspension faults.
-Excessive oil leaks from dampers
Poor road holding and stability
Increased fuel efficiency
Enhanced ride comfort
Reduced tire wear
State four possible effects of worn suspension dampers
Increased fuel efficiency
Wheel hop on acceleration
Improved steering response
Reduced braking distance
Name the type of suspension unit shown below and the components A and B
Macpherson Strut – Coil spring – Damper
Double Wishbone – Leaf spring – Shock absorber
Multi-link – Air spring – Strut
Solid Axle – Coil spring – Stabilizer bar
On examination of a vehicle, it is found that the off side front damper is leaking badly. What recommendation should be made to the customer?
Change both to ensure balance
Replace only the leaking damper
Ignore the issue as it is not critical
Check the rear dampers for leaks
What task would the equipment shown below be used for after working on suspension components?
Wheel alignment
Tracking / toe adjustment
Brake inspection
Suspension replacement
14. The setting data for adjusting the rear wheel alignment on a vehicle is 2.9mm toe in + or – 1.2mm. The actual reading from the vehicle when checked is 1.6mm (positive). Is the vehicle within tolerance?
Yes
No
Maybe
Not sure
What should be done to a new damper before fitting it to a vehicle?
Prime by hand
Install without preparation
Soak in oil
Test for leaks
State two safety precautions when using a hydraulic jack for work on suspension systems.
Using the hydraulic jack on an uneven surface
Ensuring the correct Safe Working Load (SWL)
Applying the jack to the wrong part of the vehicle
Using a hydraulic jack without any safety stands
State two functions of a suspension damper
Reduce spring bounce and ensure good directional stability
Increase vehicle speed and reduce fuel consumption
Enhance engine performance and improve aerodynamics
Lower vehicle weight and increase cargo capacity
State two types of suspension damper
Hydraulic - Gas
Mechanical - Spring
Pneumatic - Air
Electromagnetic - Coil
Give one possible effect on the vehicle for each of the following suspension faults.
-Cracked or perished rubber mountings
Noise over rough ground
Increased fuel consumption
Reduced braking efficiency
Vibration in the steering wheel
State a test which could be carried out on a vehicle without driving it, in order to check that, new dampers that have been fitted are operating correctly.
Bounce test
Brake test
Suspension test
Alignment test
After carrying out suspension repairs it may be necessary to measure the steering geometry angles. What measurement is shown being carried out in the picture below?
Camber angle
Caster angle
Toe angle
Ride height
State the type of wear that may appear on a tyre if a damper was unserviceable on a vehicle.
Bald patches on tread
Uneven wear on the edges
Cracks in the sidewall
Excessive tread depth
