Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Mitsubishi Eclipse & Spyder 2000-2006 Approved Mitsubishi Eclipse 2006 GR00003100-33
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33-1
GROUP 33
FRONT
SUSPENSION
CONTENTS
GENERAL DESCRIPTION. . . . . . . . . 33-2 DISASSEMBLY AND ASSEMBLY . . . . . . . 33-10
INSPECTION. . . . . . . . . . . . . . . . . . . . . . . . 33-14
FRONT SUSPENSION DIAGNOSIS . 33-2
INTRODUCTION TO FRONT SUSPENSION LOWER ARM . . . . . . . . . . . . . . . . . . . 33-15
DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . . 33-2 REMOVAL AND INSTALLATION . . . . . . . . 33-15
FRONT SUSPENSION DIAGNOSIS INSPECTION. . . . . . . . . . . . . . . . . . . . . . . . 33-16
TROUBLESHOOTING STRATEGY . . . . . . 33-2 LOWER ARM BALL JOINT DUST COVER
SYMPTOM CHART. . . . . . . . . . . . . . . . . . . 33-3 REPLACEMENT . . . . . . . . . . . . . . . . . . . . . 33-17
SYMPTOM PROCEDURES . . . . . . . . . . . . 33-3 LOWER ARM BUSHING (REAR)
REPLACEMENT . . . . . . . . . . . . . . . . . . . . . 33-18
SPECIAL TOOLS. . . . . . . . . . . . . . . . 33-5
STABILIZER BAR. . . . . . . . . . . . . . . . 33-20
ON-VEHICLE SERVICE. . . . . . . . . . . 33-6 REMOVAL AND INSTALLATION . . . . . . . . 33-20
FRONT WHEEL ALIGNMENT CHECK AND INSPECTION. . . . . . . . . . . . . . . . . . . . . . . . 33-26
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . 33-6
LOWER ARM BALL JOINT END PLAY SPECIFICATIONS . . . . . . . . . . . . . . . 33-27
CHECK . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-8 FASTENER TIGHTENING
BALL JOINT DUST COVER CHECK . . . . . 33-8 SPECIFICATIONS. . . . . . . . . . . . . . . . . . . . 33-27
GENERAL SPECIFICATIONS . . . . . . . . . . 33-28
STRUT ASSEMBLY. . . . . . . . . . . . . . 33-9 SERVICE SPECIFICATIONS . . . . . . . . . . . 33-28
REMOVAL AND INSTALLATION . . . . . . . . 33-9 LUBRICANT . . . . . . . . . . . . . . . . . . . . . . . . 33-28
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . 33-9
33-2 FRONT SUSPENSION
GENERAL DESCRIPTION
GENERAL DESCRIPTION
M1332000100485
The front suspension is a McPherson strut with coil
spring. The shock absorber is gas-filled hydraulic
double-tube type.
CONSTRUCTION DIAGRAM
STRUT INSULATOR
COIL SPRING
STABILIZER LINK
STABILIZER BAR
STRUT ASSEMBLY
FRONT AXLE
CROSSMEMBER
STAY
FRONT AXLE
CENTER MEMBER CROSSMEMBER
LOWER ARM ASSEMBLY
AC405075 AC
FRONT SUSPENSION DIAGNOSIS
INTRODUCTION TO FRONT SUSPENSION DIAGNOSIS
M1332009000269
If the front suspension is faulty, the vehicle will not
run straightforward or noise will occur. Incorrect
wheel alignment, malfunction of strut assembly, sta-
bilizer bar, coil spring, or worn or out-of-balance tires
can cause these problems.
FRONT SUSPENSION DIAGNOSIS TROUBLESHOOTING STRATEGY
M1332009100255
Use these steps to plan your diagnostic strategy. If 2. Verify that the condition described by the
you follow them thoroughly, you will be sure that you customer exists.
have exhausted most of the possible ways to find a 3. Find and repair the malfunction by following the
front suspension fault. Symptom Chart and Symptom Procedures.
1. Gather information from the customer. 4. Verify malfunction is eliminated.
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FRONT SUSPENSION
FRONT SUSPENSION DIAGNOSIS
33-3
SYMPTOM CHART
M1332009400290
SYMPTOM INSPECTION REFERENCE PAGE
PROCEDURE
Steering wheel is heavy, vibrates or pulls to one side 1 P.33-3
Excessive body rolling 2 P.33-3
Poor ride 3 P.33-4
Unequal ride height 4 P.33-4
Noise 5 P.33-4
SYMPTOM PROCEDURES
INSPECTION PROCEDURE 1: Steering Wheel is Heavy, Vibrates or Pulls to One Side
DIAGNOSIS STEP 3. Check the lower arm ball joint.
Q: Is the ball joint in good condition?
STEP 1. Check the tires. YES : Go to Step 4.
Check for the tire pressure, the tire pressure balance NO : Replace the lower arm assembly, and then
between left and right tires, and the tire condition. go to Step 5.
Refer to GROUP 31, Diagnosis P.31-2.
Q: Are the tires in normal condition? STEP 4. Check the coil spring.
YES : Go to Step 2.
NO : If out of pressure, adjust the tire pressure. If Q: Is the coil spring in good condition?
out of balance, balance the tires as YES : Go to Step 5.
necessary. If excessively worn, replace the NO : Replace it, and then go to Step 5.
tires as necessary and then go to Step 5.
STEP 5. Retest the system.
STEP 2. Check the wheel alignment. Q: Is the malfunction eliminated?
Refer to P.33-6. YES : The procedure is complete.
NO : Return to Step 1.
Q: Is the wheel alignment correct?
YES : Go to Step 3.
NO : Adjust it, and then go to Step 5.
INSPECTION PROCEDURE 2: Excessive Body Rolling
DIAGNOSIS STEP 2. Check the strut assembly for damage.
Q: Is the strut assembly in good condition?
STEP 1. Check for broken or deteriorated YES : Go to Step 3.
stabilizer bar. NO : Replace it, and then go to Step 3.
Q: Is the stabilizer bar in good condition?
YES : Go to Step 2. STEP 3. Retest the system.
NO : Replace it, and then go to Step 3.
Q: Is the malfunction eliminated?
YES : The procedure is complete.
NO : Return to Step 1.
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33-4 FRONT SUSPENSION
FRONT SUSPENSION DIAGNOSIS
INSPECTION PROCEDURE 3: Poor Ride
DIAGNOSIS STEP 3. Check for strut assembly damage.
Q: Is the strut assembly damaged?
STEP 1. Check for improper tire inflation YES : Replace it, and then go to Step 4.
pressure. NO : Go to Step 4.
Refer to GROUP 31, On-vehicle Service -Tire Infla-
tion Pressure Check P.31-7.
STEP 4. Retest the system.
Q: Is the tire inflation correct?
YES : Go to Step 2. Q: Is the malfunction eliminated?
NO : Adjust it, and then go to Step 4. YES : The procedure is complete.
NO : Return to Step 1.
STEP 2. Check for broken or deteriorated coil
spring(s).
Q: Are the coil spring(s) broken or deteriorated?
YES : Replace the coil spring(s), and then go to
Step 4.
NO : Go to Step 3.
INSPECTION PROCEDURE 4: Unequal Ride Height
DIAGNOSIS STEP 2. Retest the system.
Q: Is the malfunction eliminated?
STEP 1. Check for broken or deteriorated coil YES : The procedure is complete.
spring(s). NO : Return to Step 1.
Q: Is the coil spring(s) broken or deteriorated?
YES : Replace it, and then go to Step 2.
NO : Go to Step 2.
INSPECTION PROCEDURE 5: Noise
DIAGNOSIS STEP 3. Check for broken coil springs.
Q: Is the coil spring broken?
STEP 1. Check for lack of lubrication. YES : Replace it, and then go to Step 5.
Q: Is lubrication inadequate? NO : Go to Step 4.
YES : Lubricate it, and then go to Step 5.
NO : Go to Step 2.
STEP 4. Check for strut assembly damage.
Q: Is the strut assembly damaged?
STEP 2. Check the tightened parts for looseness YES : Replace it, and then go to Step 5.
and check the bushings for wear. NO : Go to Step 5.
Q: Are the tightened parts and bushings in good
condition? STEP 5. Retest the system.
YES : Go to Step 3.
NO : Tighten or replace as necessary, then go to Q: Is the malfunction eliminated?
Step 5. YES : The procedure is complete.
NO : Return to Step 1.
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FRONT SUSPENSION
SPECIAL TOOLS
33-5
SPECIAL TOOLS
M1332000600457
TOOL TOOL NUMBER AND SUPERSESSION APPLICATION
NAME
MB991004 MB991004-01 or General Wheel alignment
Wheel alignment gauge service tool measurement
attachment
MB991004
C MB991832 General service tool Front coil spring
B Spring compressor set compression
A E A: MB991793 NOTE: The coil spring can
D Spring compressor not be compressed by
F MB991832
B: MB991795 following conventional
Attachment A special tools.
C: MB991794 .
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