Range Rover Sport. Manual — part 9
Suspension System
Inspection and Verification
WARNING: Before carrying out a road test, make sure the vehicle is safe to do so. Failure to follow this
instruction may result in personal injury.
1 . Gather as much information from the driver as possible and verify the customer concern by carrying out a road test, as
closely as possible reproducing the conditions under which the fault occurs.
2 . Visually inspect for obvious signs of mechanical damage.
Mechanical
Tire pressures
Damaged wheels or tires
Wheel bearing(s)
Loose or damaged front or rear suspension components
Loose, damaged or missing suspension fastener(s)
Damaged or leaking air suspension components
Worn or damaged suspension bushing(s)
Loose, worn or damaged steering system components
Damaged axle components
3 . If an obvious cause for an observed or reported condition is found, correct the cause (if possible) before proceeding to
the symptom chart.
Symptom chart
Symptom
Possible causes
Action
Crabbing
Incorrect
rear thrust
angle
Front or
rear
suspension
components
Check the rear alignment.
Four-Wheel Alignment (57.65.04)
Check the front and rear suspension for signs of
damage or wear.
Drift/Pull/Wander
Tire
pressures
Uneven tire
wear
Damaged
steering
components
Wheel
alignment
Brake drag
Unevenly
loaded or
overloaded
vehicle
Check and adjust the tire pressures (see visual inspection). Check for uneven tire
wear, investigate the cause and rectify as necessary. Check the steering for
wear/damage. Check and adjust the wheel alignment as necessary. Check for
binding brakes, rectify as necessary. Advise the driver of the load issues.
Damaged
suspension
suspension
components
Air spring
fault
Check the suspension components for damage. Check the dynamic suspension.
Vehicle Dynamic Suspension
Uneven tire
wear
Incorrect tire
pressure
(rapid
center rib or
inner and
outer edge
wear)
Incorrect
front or rear
toe (rapid
inner or
outer edge
wear)
Incorrect
camber
(rapid inner
or outer
edge wear)
Tires out of
balance
(tires
cupped or
dished)
Check and adjust the tire pressures (see visual inspection). Check and adjust the
wheel alignment as necessary.
Four-Wheel Alignment (57.65.04)
Balance the wheels and tires as necessary.
Harsh ride
Damaged
suspension
components
Air spring
fault
Check the suspension components for damage. Check the dynamic suspension.
Vehicle Dynamic Suspension
Shimmy or
wheel tramp
Wheels/tires
Loose
wheel nut(s)
Loose front
suspension
fasteners
Front wheel
bearing(s)
fault
Worn or
damaged
suspension
component
bushing
Loose, worn
or damaged
ball joint(s)
Loose, worn
or damaged
steering
components
Front wheel
alignment
Check the wheels and tires for condition and balance. Check and tighten the
wheel nuts and suspension fasteners to specification. Check the front wheel
bearings, suspension bushings, ball joints and steering components for wear or
damage. Check and adjust the wheel alignment as necessary.
Four-Wheel Alignment (57.65.04)
Poor
returnability of
the steering
(self-centering)
Steering
column
Ball joints
Steering
components
Check the steering column universal joints, etc. Check the ball joints and other
steering components.
Loose front
or rear
stabilizer
bar
Worn lower
suspension
arm
stabilizer
bar
insulators
Air spring
fault
Check the stabilizer bar security and condition. Rectify as necessary. Check the
function of the active stabilization system (where fitted).
Ride and Handling Optimization
Check the air springs.
Vehicle Dynamic Suspension
Vehicle leans to
one side
Front or
rear
suspension
components
Air spring
fault
Check the front and rear suspension. Check the air springs.
Vehicle Dynamic Suspension
Specifications
General Specifications
Item
Specification
Gap between underside of the toe link rubber boot and the chassis bracket 12.0 mm (0.473 in)
Height/distance between centre of halfshaft and edge of the fender trim
462 mm (18.19 in)
Torque Specifications
Description
Nm lb-ft
* Stabilizer bar link nuts
175 129
Stabilizer bar clamp nuts
115 85
Front axle crossmember bolts
115 85
Shock absorber and spring assembly to lower arm bolt 300 221
Shock absorber top mounting nuts
63
46
* Shock absorber upper bush rebound plate nut
98
72
Heat shield bolts
10
7
* Upper arm and wheel knuckle nut
70
52
* Tie-rod end ball joint nut
70
52
Brake hose retaining bracket to wheel knuckle bolt
25
18
*+ Halfshaft retaining nut
350 258
Brake hose to upper arm bolt
22
16
Upper arm nuts and bolts
175 129
Radiator access panel bolts
10
7
Wheel hub bolts
115 85
Brake disc dust shield bolts
10
7
Lower arm bolts
275 203
Lower arm ball joint retaining nut
115 85
Lower arm front camber adjusting bolt
275 203
Lower arm rear castor adjusting bolts
275 203
Toe link inner ball joint retaining nut
133 98
Rear camber adjusting bolts
133 98
Track rod end locking nuts
53
39
Wheel speed sensor bolt
10
7
Axle carrier bushing bolt - M14
105 77
Axle carrier bracket bolts
80
59
Road wheel nuts
140 103
* New nut/bolts must be installed + Stake nut on completion
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