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2. TIGHTENING TORQUE
Front suspension assembly
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1. OVERVIEW
The suspension is the device to connect the axle and vehicle. It absorbs the vibrations and impacts from
road surface, which enhances the comforts, driving force, braking force and drivability.
Underview of vehicle with 2WD, 6M/T Underview of vehicle with 4WD, 6A/T
Front suspension
Rear suspensionFront suspension
Rear suspension
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1) Front Suspension (Macperson Strut Type)
Front suspension supports the vehicle weight and absorber the vibration from tires. And, in this type of
suspension, the steering linkage tie rod is mounted on the knuckle.
Macperson strut type suspension is the independent suspension which has the spring on the strut
integrated with shock absorber. The lower arm is installed on sub frame and large strut damper is
installed on the knuckle to support the tire. This type of suspension is normally applied to the vehicle with
monocoque body, especially on the front wheel drive type. The upper part with spring is mounted at
body mount and the strut with shock absorber is linked on the steering knuckle.
Advantages
Compact and simple design
Stable wheel alignment
Good load distribution and easy installation
Less effect from tire up/down movement 1.
2.
3.
4.
Disadvantages
Comparatively weak to the impact from road surface and lateral shock due to long strut and single
swing arm 1.
Macperson strut type suspension
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2) Rear Suspension (Multi-link Type)
Multi-link type suspension is the independent suspension. It provides good ride comfort and drivability by
reducing the coil spring weight. Also, it increases the space for passenger compartment by lowering the
floor.
This type of suspension consists of multiple links such as trailing arm, upper arm, lower arm and track
rod.
Layout