Downloaded from www.Manualslib.com manuals search engine Suspension General Diagnosis: 2A-1
Suspension
Suspension General Diagnosis
Diagnostic Information and Procedures
Suspension, Wheels and Tires Symptom DiagnosisS6RW0D2104001
Condition Possible cause Correction / Reference Item
Vehicle pulls (Leads)Mismatched or uneven tiresReplace tires.
Tires not adequately inflatedAdjust tire pressure.
Broken or sagging coil springsReplace coil springs.
Radial tire lateral forceReplace tire.
Disturbed wheel alignmentCheck and adjust wheel alignment.
Brake dragging in one road wheelRepair brake.
Loose, bent or broken front or rear
suspension partsTighten or replace related suspension parts.
Abnormal or excessive
tire wearSagging or broken coil springReplace coil spring.
Tire out of balanceAdjust balance or replace tire.
Disturbed wheel alignmentCheck and adjust wheel alignment.
Faulty strut (shock absorber)Replace strut (shock absorber).
Hard drivingReplace tires.
Overloaded vehicleReplace tires.
Not rotated tiresReplace or rotate tires.
Worn or loose wheel bearingReplace wheel bearing.
Wobbly wheel or tireReplace wheel or tire.
Tires not adequately inflatedAdjust tire pressure.
Front suspension frame and/or
suspension control arm are transformedCheck and replace.
Wheel trampBlister or bump on tireReplace tire.
Improper strut (shock absorber) actionReplace strut (shock absorber).
Shimmy, shake or
vibrationTire or wheel out of balanceBalance wheel or replace tire and/or wheel.
Loosen wheel bearingsReplace wheel bearings.
Worn tie-rod endsReplace tie-rod ends.
Worn lower ball jointsReplace suspension control arm.
Excessive wheel runoutRepair or replace wheel and/or tire.
Blister or bump on tireReplace tire.
Excessively loaded radial runout of tire /
wheel assemblyReplace tire or wheel.
Disturbed wheel alignmentCheck and adjust wheel alignment.
Loose or worn steering linkageTighten or replace steering linkage.
Abnormal noise, front endWorn, sticky or loose tie-rod ends, lower
ball joints, tie-rod inside ball joints or
drive shaft jointsReplace tie-rod end, suspension arm, tie-rod
or drive shaft joint.
Damaged struts or mountingsRepair or replace struts or mountings.
Worn suspension arm bushingsReplace suspension arm bushings.
Loose stabilizer barTighten bolts or nuts and/or replace bushes.
Loose wheel boltsTighten wheel bolts.
Loose suspension bolts or nutsTighten suspension bolts or nuts.
Broken or damaged wheel bearingsReplace wheel bearings.
Broken suspension springsReplace suspension springs.
Worn strut bearingsReplace strut bearing.
Malfunction of Power Steering SystemCheck and correct malfunction.
Low or uneven trim height
NOTE
See NOTE *1.
Broken or sagging coil springsReplace coil springs.
Over loadedCheck loading.
Incorrect coil springsReplace coil spring.
Tires not adequately inflatedAdjust tire pressure.
Ride too softFaulty strut (shock absorber)Replace strut (shock absorber).
Suspension bottomsOverloadedCheck loading.
Faulty strut (shock absorber)Replace strut (shock absorber).
Incorrect, broken or sagging coil springsReplace coil spring.
Downloaded from www.Manualslib.com manuals search engine Front Suspension: 2B-2
Front Wheel Alignment ConstructionS6RW0D2201002
Among factors for front wheel alignment, only toe setting
can be adjusted. Camber and caster are not adjustable.
Therefore, should camber or caster be out of
specification due to the damage caused by hazardous
road conditions or collision, whether the damage is in
body or in suspension should be determined and
damaged body should be repaired or damaged
suspension should be replaced.
Preliminary Checks Prior to Adjustment Front Wheel
Alignment
Steering and vibration complaints are not always the
result of improper wheel alignment. An additional item to
be checked is the possibility of tire lead due to worn or
improperly manufactured tires. “Lead” is the vehicle
deviation from a straight path on a level road without
hand pressure on the steering wheel. Refer to “Radial
Tire Lead / Pull Description in Section 2D” in order to
determine if the vehicle has a tire lead problem. Before
making any adjustment affecting wheel alignment, the
following checks and inspections should be made to
ensure correctness of alignment readings and alignment
adjustments:• Check all tires for proper inflation pressures and
approximately the same tread wear.
• Check for loose of ball joints. Check tie-rod ends; if
excessive looseness is noted, it must be corrected
before adjusting.
• Check for run-out of wheels and tires.
• Check vehicle trim heights; if it is out of limit and a
correction is needed, it must be done before adjusting
toe.
• Check for loose of suspension control arms.
• Check for loose or missing stabilizer bar attachments.
• Consideration must be given to excess loads, such as
tool boxes. If this excess load is normally carried in
vehicle, it should remain in vehicle during alignment
checks.
• Consider condition of equipment being used to check
alignment and follow manufacturer’s instructions.
• Regardless of equipment used to check alignment,
vehicle must be placed on a level surface.
NOTE
To prevent possible incorrect reading of toe,
camber or caster, vehicle front and rear end
must be moved up and down a few times
before inspection.
Repair Instructions
Front Wheel Alignment Inspection and
Adjustment
S6RW0D2206001
Toe Inspection and Adjustment
Preparation for toe inspection and adjustment.
• Place vehicle in unloaded state on level surface.
• Set steering wheel in straight state.
• Check that inflation pressure of each tire is adjusted
properly and wheel is free from deflection.
• Check that each suspension part is free from bend,
dent, wear or damage in any other form.
• Check that ground clearance at the right and left is
just about the same.Inspection
Measure toe with toe-in gauge (1).
Toe should be within following specifications.
If toe is out of the specification, adjust toe properly.
To e
IN 1.0 ± 1.0 mm (0.0394 ± 0.0394 in.)
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Downloaded from www.Manualslib.com manuals search engine Front Suspension: 2B-20
12) Install exhaust No.1, No.2 and center pipe referring
to “Exhaust System Components in Section 1K”.
13) Install wheel and tighten nut to specified torque.
Tightening torque
Wheel nut: 85 N·m (8.5 kgf-m, 61.5 lb-ft)
14) Install air cleaner assembly referring to “Air Cleaner
Assembly Removal and Installation in Section 1D”.
15) Install hood referring to “Hood Removal and
Installation in Section 9J”.
16) Lower hoist and vehicle in unloaded condition,
tighten suspension control arm bolts to specified
torque.
Tightening torque
Suspension control arm bolt: 95 N·m (9.5 kgf-m,
69.0 lb-ft)
17) Connect negative (–) cable at battery.
18) Confirm front wheel alignment referring to “Front
Wheel Alignment Inspection and Adjustment”.
Front Suspension Frame CheckS6RW0D2206017
Inspect for cracks, deformation or damage.
If defective, replace.
Front Stabilizer Bar, Bushing and/or Joint
Check
S6RW0D2206018
Stabilizer Bar
Inspect for damage or deformation.
If defective, replace.Stabilizer Bushing
Inspect for damage, wear or deterioration.
If defective, replace.
Stabilizer Joint
1) Check for smooth rotation.
2) Check damages of ball stud.
3) Check damages of dust cover.
NOTE
Stabilizer joint (1) cannot be disassembled.
If there is any damage to either parts, stabilizer joint
must be replaced as a complete unit.
Front Suspension Fasteners CheckS6RW0D2206019
Check each bolt and nut fastening suspension parts for
tightness. Tighten loose one, if any, to specified torque,
referring to “Front Suspension Construction”.
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Downloaded from www.Manualslib.com manuals search engine 2C-7 Rear Suspension:
6) Connect rear height sensor link (if equipped) to rear
axle referring to “Height Sensor Removal and
Installation (If Equipped) in Section 9B”.
7) Install exhaust center pipe and muffler.
8) After installing removed parts, bleed air from brake
system referring to “Air Bleeding of Brake System in
Section 4A”. And then adjust parking brake cable
referring to “Parking Brake Inspection and
Adjustment in Section 4D”.
9) Install wheel and tighten wheel nuts to specified
torque.
Tightening torque
Wheel nut: 85 N·m (8.5 kgf-m, 61.5 lb-ft)
10) Lower hoist and bounce vehicle up and down
several times to stabilize suspension.
11) Tightening shock absorber lower nuts and rear axle
bolts to specified torque.
NOTE
When tightening these nuts and bolts, be
sure that vehicle is not on hoist and in
unloaded condition.
Tightening torque
Rear shock absorber lower nut: 90 N·m (9.0 kgf-
m, 65.0 lb-ft)
Rear axle bolt: 73 N·m (7.3 kgf-m, 53.0 lb-ft)
12) Perform brake test (foot brake and parking brake).
13) Check each installed parts for brake fluid leakage.
Rear Axle and Coil Spring InspectionS6RW0D2306009
• Inspect for cracks, deformation or damage.
• Inspect bushing for damage, wear or breakage.
Replace any defective part.
Rear Axle Bush InspectionS6RW0D2306010
Inspect for cracks, deformation or damage. If necessary,
replace rear axle assembly.
Rear Wheel Disc, Bolt and Bearing InspectionS6RW0D2306011
• Check tightness of wheel nuts and, if necessary,
retighten to specified torque.
• Check wheel disc deformation, damage, crack and
etc.
Replace defective disc with new one.
• Check installation face inside of wheel disc for rust.
As rust affects adversely, remove it thoroughly.
Tightening torque
Wheel nut: 85 N·m (8.5 kgf-m, 61.5 lb-ft)
• Check wear of wheel bearings. When measuring
thrust play, apply a dial gauge to axle shaft center.
When the thrust play exceeds limit, replace bearing.
Rear wheel bearing thrust play
Limit: 0.1 mm (0.004 in.)
• Check noise and smooth rotation of wheel by rotating
wheel. If it is defective, replace bearing.
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Downloaded from www.Manualslib.com manuals search engine 2D-5 Wheels and Tires:
Repair Instructions
Wheel Discs InspectionS6RW0D2406006
Inspect each wheel disc for dents, distortion and cracks.
A disc in badly damaged condition must be replaced.
Wheel Balance Inspection and AdjustmentS6RW0D2406001
Refer to “Balancing Wheels Description”.
Deposits of mud, etc. must be cleaned from inside of rim.
WARNING!
Stones should be removed from the tread in
order to avoid operator injury during spin
balancing and to obtain good balance.
Each tire should be inspected for any damage, then
balanced according to equipment manufacturer’s
recommendation.
Off-Vehicle Balancing
Most electronic off-vehicle balancers are more accurate
than the on-vehicle spin balancers. They are easy to use
and give a dynamic (two plane) balance. Although they
do not correct for drum or disc unbalance as does on-
vehicle spin balancing, this is overcome by their
accuracy, usually to within 1/8 ounce.
On-Vehicle Balancing
On-vehicle balancing methods vary with equipment and
tool manufacturers. Be sure to follow each
manufacturer’s instructions during balancing operation.
WARNING!
Wheel spin should be limited to 55 km/h (35
mph) as indicated on speedometer.
This limit is necessary because speedometer
only indicates one-half of actual wheel speed
when one drive wheel is spinning and the
other drive wheel is stopped.
Unless care is taken in limiting drive wheel
spin, spinning wheel can reach excessive
speeds. This can result in possible tire
disintegration or differential failure, which
could cause serious personal injury or
extensive vehicle damage.
CAUTION!
For vehicle equipped with ABS, using on-
vehicle balancing method with ignition
switch ON may set malfunction diagnostic
trouble code (DTC) of ABS even when system
is in good condition.
Never turn ignition switch ON while spinning
wheel.
Tire RotationS6RW0D2406002
To equalize wear, rotate tires periodically as shown in
figure.
Refer to “Wheel (with Tire) Removal and Installation”.
F: Forward
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Downloaded from www.Manualslib.com manuals search engine Drive Shaft / Axle: Front 3A-2
Diagnostic Information and Procedures
Front Drive Shaft Symptom DiagnosisS6RW0D3114001
Repair Instructions
Front Drive Shaft ComponentsS6RW0D3116001
Condition Possible cause Correction / Reference Item
Abnormal noiseWorn or breakage of the drive shaft jointReplace.
Worn or breakage of the center bearingReplace.
1
9A
1112
10
9A
13
3
2
1
1
14
4
5
6
5
4
7
8
15
[A]
3
4
5
6
5
4
7
16
1
17
18
15
[B]
I6RW0D311002-01
[A]: M/T model 10. Center bearing support circlip
[B]: A/T model 11. Center bearing support
1. Circlip12. Center bearing
2. Differential side joint (Constant velocity DOJ)
: Apply dark gray grease included in spare part to joint.13. Center shaft
3. Snap ring 14. Cage
4. Boot band (Large) 15. Damper (if equipped)
5. Boot 16. Differential side joint (Constant velocity tripod joint)
: Apply dark gray grease included in spare part to joint.
6. Boot band (Small) 17. Center shaft side joint (Constant velocity tripod joint)
: Apply dark gray grease included in spare part to joint.
7. Wheel side joint (Constant velocity ball joint)
: Apply black grease included in spare part to joint.18. Tripod joint spider
: Never disassemble.
8. Center shaft side joint (Constant velocity DOJ)
: Apply dark gray grease included in spare part to joint.: Do not reuse.
9. Oil seal
: Apply grease to oil seal lip.
Downloaded from www.Manualslib.com manuals search engine Differential: 3B-8
Diagnostic Information and Procedures
4WD Control System CheckS6RW0D3204001
Refer to the following items for the details of each step.
Step Action Yes No
1 ) Customer complaint analysis
1) Perform customer complaint analysis.
Was customer complaint analysis performed?Go to Step 2. Perform customer
complaint analysis.
2 ) DTC check, record and clearance
1) Check for DTC.
Is there any DTC(s)?Print DTC or write them
down and clear them by
referring to “DTC
Clearance”. Go to Step
3.Go to Step 4.
3 ) Visual inspection
1) Perform visual inspection.
Is there any faulty condition?Repair or replace
malfunction part. Go to
St ep 11 .Go to Step 5.
4 ) Visual inspection
1) Perform visual inspection.
Is there any faulty condition?Repair or replace
malfunction part. Go to
St ep 11 .Go to Step 8.
5 ) Trouble symptom confirmation
1) Select 2WD/4WD switch to “2WD”, “4WD-auto” and
“4WD-lock” positions referring to “4WD Control System
Operation Inspection”.
2) Confirm trouble symptom.
Is trouble symptom identified?Go to Step 6. Go to Step 7.
6 ) Rechecking and record of DTC
1) Recheck for DTC referring to “DTC Check”.
Is there any DTC(s)?Go to Step 9. Go to Step 8.
7 ) Rechecking and record of DTC
1) Recheck for DTC referring to “DTC Check”.
Is there any DTC(s)?Go to Step 9. Go to Step 10.
8 ) 4WD control symptom diagnosis
1) Check and repair according to “4WD Control Symptom
Diagnosis”.
Are check and repair complete?Go to Step 11. Check and repair
malfunction part(s). Go
to Step 11.
9 ) Troubleshooting for DTC
1) Check and repair according to applicable DTC flow.
Are check and repair complete?Go to Step 11. Check and repair
malfunction part(s). Go
to Step 11.
10 ) Check for intermittent problems
1) Check for intermittent problems referring to “Intermittent
and Poor Connection Inspection in Section 00”.
Is there any faulty condition?Repair or replace
malfunction part(s). Go
to Step 11.Go to Step 11.
11 ) Final confirmation test
1) Clear DTC if any.
2) Perform final confirmation test.
Is there any problem symptom, DTC or abnormal condition?Go to Step 6. END.
Downloaded from www.Manualslib.com manuals search engine 3B-9 Differential:
Detail of 4WD Control System Check
Step 1. Customer complaint analysis
Record details of the problem (failure, complaint) and how it occurred as described by the customer.
For this purpose, use of such a questionnaire form as shown in the following will facilitate collecting information to the
point required for proper analysis and diagnosis.
Customer questionnaire (Example)
NOTE
The form is a standard sample. It should be modified according to conditions characteristic of each
market.
Customer’s name: Model: VIN:
Problem Symptoms
Frequency of Occurrence
Conditions for
Occurrence of Problem
Environmental Condition
Diagnostic Trouble Code
Date of Reg:
4WD position indicator abnormal: fails to turn on / fails to turn off /
flashes
Abnormal noise while vehicle running: from coupling assembly
other
No changed to “2WD” position
No changed to “4WD-lock” position
No changed to “4WD-auto” position
When starting: at initial start only / at every start / other
Vehicle speed: while accelerating / while decelerating / at stop /
while turning / while running at constant speed /
other
Road surface condition: Paved road / rough road / snow-covered road /
other
Wheather: fine / cloudy / rain / snow / other
Temperature: ( )
First check: Normal code / malfunction code ( )
Second check after test drive: Normal code / malfunction code ( ) Continuous / Intermittent ( times a day, a month) /
otherDate of problem: Mileage: Date of issue:
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