height adjustment FORD KUGA 2011 1.G Workshop Manual

Noise Conditions
• Gear noise is typically a howling or whining dueto gear damage or incorrect bearing preload. It
can occur at various speeds and driving
conditions, or it can be continuous.
• Chuckle is a particular rattling noise that sounds like a stick against the spokes of a spinning
bicycle wheel. It occurs while decelerating from
64 km/h (40 mph) and can usually be heard all
the way to a stop. The frequency varies with
vehicle speed.
• Knock is very similar to chuckle, though it may be louder and occurs on acceleration or
deceleration. The teardown will disclose what
has to be corrected.
Clicking, popping or grinding noises may be caused
by the following:
• worn, damaged or incorrectly installed wheel bearing, suspension or brake component.
Check and rule out tires, exhaust and trim items
before disassembling the transmission to diagnose
and correct gear noise.
The noises described under Road Test usually
have specific causes that can be diagnosed by
observation as the unit is disassembled. The initial
clues are the type of noise heard on the road test
and driving conditions.
Vibration Conditions
Vibration at highway speeds may be caused by
the following:
• out-of-balance front or rear wheels.
• out-of-round tires.
Shudder or vibration during acceleration may be
caused by the following:
• damaged powertrain/drivetrain mounts.
• excessively high constant velocity (CV) joint operating angles caused by incorrect ride height.
Check ride height, verify correct spring rate and
check items under inoperative conditions.
Road Test
A gear-driven unit will produce a certain amount
of noise. Some noise is acceptable and may be
audible at certain speeds or under various driving
conditions, as on a newly paved asphalt road. The slight noise is in no way detrimental and must be
considered normal.
The road test and customer interview (if available)
provide information needed to identify the condition
and give direction to the correct starting point for
diagnosis.
1. Make notes throughout the diagnosis routine.
Make sure to write down even the smallest bit
of information, because it may turn out to be the
most important.
2. Do not touch anything until a road test and a thorough visual inspection of the vehicle have
been carried out. Leave the tire pressures and
vehicle load just where they were when the
condition was first observed. Adjusting tire
pressures, vehicle load or making other
adjustments may reduce the condition(s)
intensity to a point where it cannot be identified
clearly. It may also inject something new into
the system, preventing correct diagnosis.
3. Make a visual inspection as part of the preliminary diagnosis routine, writing down
anything that does not look right. Note tire
pressures, but do not adjust them yet. Note
leaking fluids, loose nuts and bolts, or bright
spots where components may be rubbing
against each other. Check the load space for
unusual loads.
4. Road test the vehicle and define the condition by reproducing it several times during the road
test.
5. Carry out the Road Test Quick Checks as soon as the condition is reproduced. This will identify
the correct diagnostic procedure. Carry out the
Road Test Quick Checks more than once to
verify they are providing a valid result.
Remember, the Road Test Quick Checks may
not tell where the concern is, but they will tell
where it is not.
Road Test Quick Checks
1. 24-80 km/h (15-50 mph): with light acceleration,a moaning noise is heard and possibly a
vibration felt in the front floor panel. It is usually
worse at a particular engine speed and at a
particular throttle setting during acceleration at
that speed. It may also produce a moaning
sound, depending on what component is
causing it. REFER to Tip-in Moan in the
Driveline Noise and Vibration Symptom Chart.
2. Acceleration/Deceleration: With slow acceleration and deceleration, a shake is
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100-04- 3
Noise, Vibration and Harshness
100-04- 3
DIAGNOSIS AND TESTING
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FORD KUGA 2011.0MY WORKSHOP REPAIR MANUAL

3. If a new lower arm is installed it will benecessary to check and adjust the front wheel
alignment.
REFER to: Front Toe Adjustment (204-00
Suspension System - General Information,
General Procedures)
/ Rear Toe Adjustment (204-00 Suspension
System - General Information, General
Procedures).
Strut or Shock Absorber Inspection
NOTE: Inspect the struts or shock absorber for
signs of oil weepage or leaks. Make sure that the
oil is not from another source.
Weepage:
• deposits a thin film of oil on the strut and spring assembly or shock absorber.
• is normally noticed due to a collection of dust on the strut and spring assembly or shock
absorber.
• occurs during the normal running-in period of 4800 - 8050 km. After this period no new signs
of oil should be visible.
• does not require new struts or shock absorbers to be installed.
Leakage:
• covers the entire strut and spring assembly or shock absorber with oil.
• will drip oil onto the surrounding suspension components.
• requires new struts or shock absorbers to be installed.
Strut or Shock Absorber Testing
NOTE: Struts or shock absorbers must be tested
in the vertical position.
1. Remove both strut and spring assemblies or shock absorbers. The piston rods should extend.
• Disassemble the strut and spring assemblies.
REFER to: Front Strut and Spring Assembly
(204-01 Front Suspension, Removal and
Installation).
2. Compress the piston rods. Both piston rods should offer the same resistance when
compressing.
3. Compress and release the piston rods. The piston rods should extent equally. 4. Compress and pull the piston rod in the vertical
position. Feel if the resistance force at the point
of direction change-over is perceptible without
a lag. If a lag is perceptible it is an indication of
damper valve damage and new struts or shock
absorbers must be installed. REFER to:
Front Strut and Spring Assembly (204-01 Front
Suspension, Removal and Installation),
Spring (204-02 Rear Suspension, Removal and
Installation).
Load-Levelling Shock Absorber
1. With the vehicle unladen, measure and note the dimensions between the base of the wheel rim
and the top of the rear fender on both sides.
• The measurements on both sides should be approximately equal.
2. With a load of 4 average size adults and a 100 kg weight, measure and note the dimensions
between the base of the wheel rim and the top
of the rear fender on both sides.
3. NOTE: Due to the internal ratchet mechanism of the suspension components, the height
of the rear of the vehicle should rise during
the road test.
With a load of 4 average size adults and a 100
kg weight, drive the vehicle for 3 km on a road
of normal condition.
4. With a load of 4 average size adults and a 100 kg weight, measure and note the dimensions
between the base of the wheel rim and the top
of the rear fender on both sides.
5. If the dimensions on both sides are no longer approximately equal, install new load levelling
shock absorbers.
REFER to: Spring(204-02 Rear Suspension,
Removal and Installation).
6. NOTE: Due to the internal ratchet mechanism of the suspension components, the height
of the rear of the vehicle should rise during
the road test.
If the dimensions are approximately equal,
unload the vehicle and drive the vehicle for 3
km on a road of normal condition.
7. With the vehicle unladen, measure and note the dimensions between the base of the wheel rim
and the top of the rear fender on both sides.
Check the final dimensions with the original
dimensions taken in the unladen condition.
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Suspension System - General Information
204-00- 13
DIAGNOSIS AND TESTING
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Action
Possible Sources
Symptom
• INSTALL new brake shoes orbrake pads.
REFER to: Brake Pads (206-03
Front Disc Brake, Removal
and Installation).
• Worn or damaged brake shoes
or brake pads.
• Brake noise
• GO toPinpoint Test E.
• Brake booster.
• GO toPinpoint Test F.
• Brake booster.
• Seized brake pedal pivot.
• Slow or incomplete brake pedal
return
Pinpoint Tests
PINPOINT TEST A : PEDAL GOES DOWN FAST
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
A1: PRESSURIZE THE SYSTEM
1 Pump the foot brake rapidly five times.
• Does the brake pedal height build up and then hold?
zYe s
CHECK parking brake adjustment and
ADJUST as necessary.
REFER to: Parking Brake Cable Adjustment
(206-05 Parking Brake and Actuation,
General Procedures).
If the condition still exists. BLEED the brake
system. REFER to: (206-00 Brake System -
General Information)
Brake System Bleeding (General Procedures),
Brake System Pressure Bleeding (General
Procedures),
Component Bleeding (General Procedures).
TEST the system for normal operation.
zNo
GO to A2.
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Brake System - General Information
206-00- 10
DIAGNOSIS AND TESTING
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