
General Description
The front suspension is designed to allow each wheel to
compensate for changes in the road surface level
without greatly affecting the opposite wheel. Each wheel
is independently connected to the frame by a steering
knuckle, ball joint assemblies, and upper and lower
control arms. The front wheels are held in proper
relationship to each other by two tie-rods which are
connected to steering arms on the knuckles, and to a
steering unit.
All models have a front suspension system consisting of
control arms, stabilizer bar, shock absorber and a
torsion bar. The front end of the torsion bar is attached
to the lower control arm. The rear of the torsion bar is
mounted into a height control arm at the crossmember.
Vehicle trim height is controlled by adjusting this arm.
Shock absorbers are mounted between the brackets on
the frame and the lower control arms. The lower portion
of each shock absorber is attached to the lower control
arm. The upper portion of each shock absorber extends
through a frame bracket and is secured with two rubber
bushings, two retainers and a nut.
Ball joint assemblies are bolted to the outer end of the
upper and lower control arm and are attached to the
steering knuckle.
The inner ends of the upper control arm have pressed in
bushings. Bolts, passing through the bushing, attach the
control arm to the frame. The inner ends of the lower
control arm are attached to the frame by bolts passing
through the bushings.
Side roll of the front suspension is controlled by a spring
steel stabilizer bar. It is mounted in rubber bushings,
which are held to the frame by brackets. The ends of the
stabilizer bar are connected to the lower control arms by
links.
Diagnosis
Condition Possible cause Correction
Vehicle Pulls Mismatched or uneven tyres. Replace tyre.
Tyres not adequately inflated. Adjust tyre pressure.
Broken or sagging springs. Replace spring.
Radial tyre lateral force. Replace tyre.
Improper wheel alignment. Adjust wheel alignment.
Brake dragging in one wheel. Repair brake.
Loose, bent or broken front or rear
suspension parts.
Tighten or replace the appropriate
suspension part(s).
Faulty shock absorbers. Replace shock absorber.
Parts in power steering valve
defective.
Replace power steering unit.
Abnormal or Excessive Tyre Wear Sagging or broken spring. Replace spring.
Tyre out of balance. Balance or replace tyre.
Improper wheel alignment. Check front end alignment.
Faulty shock absorber. Replace shock absorber.
Hard driving. Replace tyre.
Overloaded vehicle. Replace tyre and reduce load.
Tyres not rotated periodically. Replace or rotate tyre.
Worn or hub unit bearings. Replace hub unit bearing.
Wobbly wheel or tyres. Replace wheel or tyre.
Tyres not adequately inflated. Adjust the pressure.
Wheel Hop Blister or bump on tyre. Replace tyre.
Improper shock absorber operation. Replace shock absorber.