2007 FORD FIESTA suspension

204-00-1 0 Suspension System - General Information 204-00-1 0
DIAGNOSIS AND TESTING
TEST CONDITIONS DETAILSIRESU LTSIACTIONS
I A5: SWAP THE FRONT LEFT-HAND WHEEL AND TIRE ASSEMBLY I/
assembly with the rear right-hand wheel and
tire assembly.
- Road test the vehicle.
rn Raise and support the vehicle.
- Swap the front left-hand wheel and tire
I Does the vehicle drift?
(..
I - zhicle condition corrected.
A7: INSTALL NEW TIRES
Raise and support the vehicle. REFER to: (1 00-
02 Jacking and
Lifting)
Jacking (Description and Operation),
Lifting (Description and Operation).
- Swap the front right-hand wheel and tire
assembly with the rear left-hand wheel and
tire assembly.
- Road test the vehicle.
Does the vehicle drift?
- Yes
GO to
A7.
- No
Vehicle condition corrected.
I N0TE:lnstalI new tires only once.
rn Install new tires to the four road wheels. TEST
the system for normal operation.
Does the vehicle drift?
-+ Yes
Verify possible sources, refer to the Symptom
Chart.
- No
Vehicle condition corrected.
2006.0 Fiesta 1212006 G149885en
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204-00-1 I Suspension System - General Information 204-00-1 I
DIAGNOSIS AND TESTING
PINPOINT TEST B : EXCESSIVE NOISE
1 TEST CONDITIONS DETAILSIRESU LTSIACTIONS
2006.0 Fiesta 1212006 Gl49885en
B1: INSPECT ALL STRUT AND SPRING ASSEMBLY AND SHOCK ABSORBER MOUNTING BOLTS
AND NUTS
lnspect the strut and spring assembly and shock
absorber mounting bolts and nuts.
Are the mounting bolts or nuts loose or
broken?
+ Yes
TIGHTEN or INSTALL new mounting bolts
and nuts. REFER to:
Specifications (204-0 1 Front Suspension, Specifications),
Specifications (204-02 Rear Suspension,
Specifications).
-, No
GO to B2.
B2: INSPECT THE STRUT AND SPRING ASSEMBLIES AND SHOCK ABSORBERS FOR LEAKS - --
N0TE:Make sure that the oil is not from another
source.
lnspect the strut and spring assemblies and
shock absorbers for signs of oil
weepage or
leaks. Refer to
weepage and leakage conditions
in the Strut or Shock Absorber Testing
component test in this procedure.
Are the struts or shock absorbers leaking?
+ Yes
INSTALL new struts or shock absorbers as
necessary. REFER to:
Front Strut and Spring Assembly (204-01 Front
Suspension, Removal and
Installation),
Rear Shock Absorber (204-02 Rear Suspension,
Removal and Installation).
+ No
GO to B3.
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204-00-1 2 Suspension System - General Information 204-00-12
DIAGNOSIS AND TESTING
TEST CONDITIONS DETAILSIRESULTSIACTIONS
1 83: INSPECT THE SPRINGS AND STABILIZER BAR(S) I
lnspect the springs and stabilizer bar(s) for
damage.
Are the springs or stabilizer bar(s) damaged?
-+ Yes
INSTALL new springs or stabilzer bar(s).
REFER to:
Front Strut and Spring Assembly (204-01 Front Suspension, Disassembly and Assembly),
Front Stabilizer Bar (204-01 Front Suspension,
Removal and Installation),
Spring (204-02 Rear Suspension, Removal and
Installation).
I B4: INSPECT THE SUSPENSION BUSHINGS I
lnspect the suspension bushings for excessive
wear or damage.
Are the bushings worn or damaged?
-+ Yes
INSTALL new components as necessary.
REFER to:
Front Stabilizer Bar Bushing (204-01 Front Suspension, Removal and lnstallation),
Lower Arm (204-01 Front Suspension, Removal
and Installation),
Front Strut and Spring Assembly (204-01 Front
Suspension, Removal and lnstallation),
Rear Shock Absorber (204-02 Rear Suspension,
Removal and lnstallation),
Trailing Arm Bushing (204-02 Rear Suspension,
Removal and Installation).
Carry out the Ball Joint Inspection component
test in this procedure.
Is the lower arm ball joint or gaiter damaged?
-+ Yes
INSTALL a new lower arm.
REFER to: Lower Arm (204-01 Front
Suspension, Removal and lnstallation).
2006.0 Fiesta iz1~006 GI 49885en
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204-00-1 3 Suspension System - General Information 204-00-1 3
DIAGNOSIS AND TESTING
TEST CONDITIONS DETAILSIRESU LTSIACTIONS
B6: INSPECT THE WHEEL BEARINGS
rn Check the wheel bearings.
REFER to: Wheel Bearing Inspection (204-00
Suspension System
- General Information,
General Procedures).
Are the wheel bearings damaged?
-+ Yes
INSTALL a new wheel bearing(s). REFER to:
Front Wheel Bearing (204-01 Front Suspension,
Removal and Installation),
Rear Wheel Bearing (204-02 Rear Suspension,
Removal and Installation).
-+ No
GO to B7.
B7: INSPECT THE WHEELS AND TIRES
rn Check the tires for uneven wear.
Is there uneven tire wear?
-+ Yes
REFER to the symptom chart.
-, No
GO to B8.
B8: INSPECT THE STRUT AND SPRING ASSEMBLY AND REAR SUSPENSION SPRING INTERFACE
Loosen the strut and spring assemblies and
shock absorbers top and bottom mounting bolts
and nuts. Tighten the mounting bolts and nuts.
REFER to:
Specifications (204-01 Front Suspension, Specifications),
Specifications (204-02 Rear Suspension,
Specifications).
- Carry out a road test.
REFER to:
RoadIRoller Testing (1 00-00
General Information, Description and Oper-
ation).
Is the concern still evident?
-+ Yes
GO to B9.
-+ No
Vehicle condition corrected.
B9: INSPECT THE STRUT AND SPRING ASSEMBLIES AND SHOCK ABSORBER COMPONENTS
rn Check that the spring is correctly located on the
spring seat and has not moved.
2006.0 Fiesta 1212006 G149885en
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204-00-1 4 Suspension System - General Information 204-00-1 4
DIAGNOSIS AND TESTING
TEST CONDITIONS DETAILSIRESU LTSIACTIONS
Component Tests
Raise and support the vehicle. REFER to: (1 00-02 Ball Joint Inspection
Jacking and Lifting)
1. Firmly grasp the outer end of the suspension
Jacking (Description and Operation), lower arm and
try to move it up and down,
Lifting (Description and Operation). watching and feeling for
any movement. Free
-
movement will usually be accompanied by an !
audible "click". There should be no free
movement.
(,';
B10: CARRY OUT A ROAD TEST
2006.0 Fiesta 1212006 Gl49885en
Disassemble the strut and spring and assembly
and inspect the individual components.
REFER to: Front Strut and Spring Assembly
(204-01 Front Suspension, Disassembly and
Assembly).
Inspect the shock absorber top mount for wear
or damage.
Carry out the Strut or Shock Absorber Testing
component test in this procedure.
Are any of the strut and spring assemblies or
shock absorber components damaged?
-+ Yes
INSTALL new components as necessary.
REFER to:
Front Strut and Spring Assembly (204-01 Front
Suspension, Disassembly and Assembly),
Rear Shock Absorber (204-02 Rear Suspension, Removal and Installation),
Spring (204-02 Rear Suspension, Removal and Installation).
-, No
REINSTALL the strut and spring assemblies
or shock absorbers. GO to
B10.
Carry out a road test.
REFER to:
RoadlRoller Testing (1 00-00 General
Information, Description and Operation).
Is the concern still evident?
-+ Yes
REFER to: Noise, Vibration and Harshness
(NVH) (1 00-04 Noise, Vibration and Harsh-
ness, Diagnosis and Testing).
-+ No
Vehicle condition corrected.
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204-00-1 5 Suspension System - General Information 204-00-1 5 1
DIAGNOSIS AND TESTING
2. If there is any free movement install a new lower 4. Compress and pull the piston rod in the vertical
arm. position. Feel if the resistance force at the point
REFER to: Lower Arm (204-01 Front
Suspension, Removal and Installation).
3. If a new lower arm is installed it will be
necessary to check and adjust the front wheel
alignment.
REFER to: Specifications (204-00 Suspension
System
- General Information, Specifications). 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, Disassembly and Assembly),
Front Strut and Spring Assembly (204-01 Front
Suspension, Removal and Installation),
Rear Shock Absorber (204-02 Rear Suspension,
Removal and Installation).
Strut or Shock Absorber Inspection
N0TE:lnspect 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
N0TE:Struts or shock absorbers must be tested
in the vertical position.
I. 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, Disassembly
and Assembly).
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.
2006.0 Fiesta 1212006 Gl49885en
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204-00-1 6 Suspension System - General Information 204-00-1 6
GENERAL PROCEDURES
Wheel Bearing Inspection
Special Tool(s)
General Equipment
I Dial indicator gauge I
bearing assembly. There should be no end (
play. If end play exists, install new wheel
bearings.
Check
1. N0TE:Do not to confuse lower arm ball joint
looseness with bearing looseness.
Raise and support the front of the vehicle. 6.
Install the front brake caliper anchor plate.
For additional information, refer to: (I 00-02)
For additional information, refer to: Brake
Jacking (Description and Operation),
Lifting (Description and Operation).
2. Check for loose front wheel bearings by
rocking the wheels at the top and bottom.
3. Spin the wheel quickly by hand and make
sure the wheel turns smoothly without noise
from the wheel bearings.
4. Remove the front brake caliper anchor plate.
For additional information, refer to: Brake
Caliper Anchor Plate (206-03, Removal and
Installation).
5. Position a suitable Dial indicator gauge
fixture or equivalent, against the wheel hub,
then push and pull the wheel hub. Measure
the end play of the wheel hub and front wheel Caliper
Anchor Plate (206-03, Removal and
Installation).
2006.0 Fiesta 1212006 ~25341 en
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204-00-1 7 Suspension System - General Information 204-00-1 7
GENERAL PROCEDURES
Front Toe Adjustment(l4 11 7 0)
I
N0TE:Make sure that the vehicle is standing on a 4. Rotate the tie-rods an equal amount in either
level surface. a clockwise or a counterclockwise direction
1. Centralize the steering and lock it in position. to
adjust the toe setting.
For additional information, refer to:
Specifications
(204-00, Specifications).
2. Loosen the tie-rod end locknuts.
3. Remove the steering gear boot outer clamps.
5. Tighten the tie-rod end locknuts.
For additional information, refer to: Tie Rod
End (21
1-03 Steering Linkage, Removal and
Installation).
6. Install the steering gear boot outer clamps.
2006.0 Fiesta 1212006 GI 7387en
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