Mitsubishi Galant. Manual — part 497
34-1
GROUP 34
CONTENTS
GENERAL DESCRIPTION. . . . . . . . . . .
REAR SUSPENSION DIAGNOSIS . . . .
INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . .
TROUBLESHOOTING STRATEGY . . . . . . . .
SYMPTOM CHART. . . . . . . . . . . . . . . . . . . . .
SYMPTOM PROCEDURES . . . . . . . . . . . . . .
SPECIAL TOOLS. . . . . . . . . . . . . . . . . .
ON-VEHICLE SERVICE. . . . . . . . . . . . .
REAR WHEEL ALIGNMENT CHECK AND
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . .
BALL JOINT DUST COVER
NSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . .
REAR SUSPENSION ASSEMBLY . . . .
REMOVAL AND INSTALLATION . . . . . . . . . .
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . .
UPPER ARM ASSEMBLY . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . . . . . . . .
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . .
TRAILING ARM ASSEMBLY. . . . . . . . .
REMOVAL AND INSTALLATION . . . . . . . . . .
INSPECTION. . . . . . . . . . . . . . . . . . . . . . . . . .
LOWER ARM AND TOE CONTROL ARM
ASSEMBLY. . . . . . . . . . . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . . . . . . . .
INSPECTION. . . . . . . . . . . . . . . . . . . . . . . . . .
TOE CONTROL ARM BALL JOINT DUST
COVER REPLACEMENT . . . . . . . . . . . . . . . .
SHOCK ABSORBER ASSEMBLY . . . .
REMOVAL AND INSTALLATION . . . . . . . . . .
INSPECTION. . . . . . . . . . . . . . . . . . . . . . . . . .
DISASSEMBLY AND ASSEMBLY . . . . . . . . .
STABILIZER BAR. . . . . . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . . . . . . . .
INSPECTION. . . . . . . . . . . . . . . . . . . . . . . . . .
SPECIFICATIONS . . . . . . . . . . . . . . . .
FASTENER TIGHTENING
SPECIFICATIONS. . . . . . . . . . . . . . . . . . . . . .
GENERAL SPECIFICATIONS . . . . . . . . . . . .
SERVICE SPECIFICATIONS . . . . . . . . . . . . .
GENERAL DESCRIPTION
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REAR SUSPENSION
34-2
.
G EN ER A L DESC RIPTIO N
M1341000100052
The rear suspension is a multi-link suspension,
which has been used for the previous models. The
layout of each arm and the rigidity balance of each
bushing have been rationalized to provide both
excellent steering stability and riding comfort.
R EAR SUSPEN SIO N D IA G N O SIS
INTRODUCTION
M1341013100052
If the rear suspension is faulty, the vehicle will not run
straightforward or noise will occur. Incorrect wheel
alignment, malfunction of shock absorber, stabilizer
bar, coil spring, control arms or worn or out-of-
balance will cause these problems.
TROUBLESHOOTING STRATEGY
M1341013200059
Use these steps to plan your diagnostic strategy. If
you follow them carefully, you will be sure that you
have exhausted most of the possible ways to find a
rear suspension fault.
AC001055
CROSSMEMBER
KNUCKLE
LOWER ARM
TRAILING ARM
TOE CONTROL ARM
UPPER ARM
SHOCK ABSORBER
AB
REAR SUSPENSION DIAGNOSIS
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REAR SUSPENSION
34-3
1. Gather information from the customer.
2. Verify that the condition described by the
customer exists.
3. Find the malfunction by following the Symptom
Chart.
4. Verify malfunction is eliminated.
SYMPTOM CHART
M1341013500061
SYMPTOM PROCEDURES
INSPECTION PROCEDURE 1: Squeaks or Other Abnormal Noise
DIAGNOSIS
STEP 1. Check for loose rear suspension
installation bolts and nuts.
Q: Are the rear suspension installation bolts and nuts
loose?
YES :
Retighten them, then go to Step 6.
NO :
Go to Step 2.
STEP 2. Check the malfunction of shock
absorbers (worn bushings).
Q: Are the shock absorbers (bushings) in good
condition?
YES :
Go to Step 3.
NO :
Replace the faulty part, then go to Step 6.
STEP 3. Check the upper arms and/or lower arms
and/or toe control arms for deformity or damage.
Q: Are the upper arms and/or lower arms and/or toe
control arms in good condition?
YES :
Go to Step 4.
NO :
Replace the faulty part, then go to Step 6.
STEP 4. Check the trailing arms for deformity or
damage.
Q: Are the trailing arms in good condition?
YES :
Go to Step 5.
NO :
Replace the faulty part, then go to Step 6.
STEP 5. Check the crossmember deformed or
damaged.
Q: Is the crossmember deformed or damaged?
YES :
Adjust or replace it, then go to Step 6.
NO :
Go to Step 6.
STEP 6. Check symptoms.
Q: Is the malfunction eliminated?
YES :
Return to Step 1.
NO :
This diagnosis is complete.
INSPECTION PROCEDURE 2: Poor Ride
DIAGNOSIS
STEP 1. Check the excessive tire inflation
pressure.
Q: Is the tire inflation pressure in good condition?
YES :
Go to Step 2.
NO :
Adjust the pressure, then go to Step 4.
STEP 2. Check for malfunction of shock
absorbers (weak or broken springs).
Q: Are the shock absorbers in good condition?
YES :
Go to Step 3.
NO :
Replace the faulty part, then go to Step 4.
SYMPTOMS
INSPECTION PROCEDURE
REFERENCE PAGE
Squeaks or other abnormal noise
1
Poor ride
2
Body tilting
3
REAR SUSPENSION DIAGNOSIS
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REAR SUSPENSION
34-4
STEP 3. Check the stabilizer bar and/or stabilizer
links for deformity or damage.
Q: Are the stabilizer bar and/or stabilizer link
deformed or damaged?
YES :
Replace the faulty part, then go to Step 4.
NO :
Go to Step 4.
STEP 4. Check symptoms.
Q: Is the malfunction eliminated?
YES :
Return to Step 1.
NO :
This diagnosis is complete.
INSPECTION PROCEDURE 3: Body Tilting
DIAGNOSIS
STEP 1. Check for weak or deteriorated
bushings.
Q: Are the bushings in good condition?
YES :
Go to Step 2.
NO :
Replace the faulty part, then go to Step 6.
STEP 2. Check for weak or broken springs.
Q: Are the springs in good condition?
YES :
Go to Step 3.
NO :
Replace the faulty part, then go to Step 6.
STEP 3. Check the upper arms and/or lower arms
and/or toe control arms for deformity or damage.
Q: Are the upper arms and/or lower arms and/or toe
control arms deformed or damaged?
YES :
Replace the faulty part, then go to Step 6.
NO :
Go to Step 4.
STEP 4. Check the trailing arms for deformity or
damage.
Q: Are the trailing arms deformed or damaged?
YES :
Replace the faulty part, then go to Step 6.
NO :
Go to Step 5.
STEP 5. Check the crossmember for deformity or
damage.
Q: Is the crossmember deformed or damaged?
YES :
Replace it, then go to Step 6.
NO :
Go to Step 6.
STEP 6. Check symptoms.
Q: Is the malfunction eliminated?
YES :
Return to Step 1.
NO :
This diagnosis is complete.
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