This is a coil spring-type double wishbone indepen-
dent-type front suspension. This type of suspension
is rigid, has very little variation in roll center height
and provides excellent riding comfort.

CONSTRUCTION DIAGRAM

FRONT SUSPENSION DIAGNOSIS

INTRODUCTION TO FRONT SUSPENSION DIAGNOSIS

M1332009000184

If the rear suspension is faulty, the vehicle will not
track straight or unusual noise will occur. Incorrect
wheel alignment, malfunction of shock absorber, sta-
bilizer bar, coil spring, control arms or out-of-balance
tires may cause these problems.

TROUBLESHOOTING STRATEGY

M1332009100170

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.
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.

ACX02227AB

COIL SPRING

No.2 CROSSMEMBER

SHOCK ABSORBER

UPPER ARM

LOWER ARM

STABILIZER BAR

FRONT FRAME

FRONT SUSPENSION DIAGNOSIS

TSB Revision

FRONT SUSPENSION

33A-3

SYMPTOM CHART

M1332009400212

SYMPTOM PROCEDURES

INSPECTION PROCEDURE 1: Steering Wheel is Heavy, Vibrates or Pulls to One Side

DIAGNOSIS

STEP 1. Check the tires.
Refer to GROUP 31, Wheel and Tire Diagnosis

P.31-10

Q: Are the tires at normal condition?

YES :

Replace the tires as necessary, then go to

Step 2.

NO :

If out of balance, balance the tires as
necessary. If excessively worn, replace the
tires as necessary and go to Step 5.

STEP 2. Check the wheel alignment.

Q: Is the wheel alignment correct?

YES :

Go to Step 3.

NO :

Adjust it, then go to Step 5.

STEP 3. Check the ball joint.

Q: Is the ball joint in good condition?

YES :

Go to Step 4.

NO :

Replace it, then go to Step 5.

STEP 4. Check the coil spring.

Q: Is the coil spring in good condition?

YES :

Go to Step 5.

NO :

Replace it, then go to Step 5.

STEP 5. Retest the system.

Q: Is the malfunction eliminated?

YES :

The procedure is complete.

NO :

Return to Step 1.

INSPECTION PROCEDURE 2: Excessive Body Rolling

DIAGNOSIS

STEP 1. Check for broken or deteriorated
stabilizer bar.

Q: Is the stabilizer bar in good condition?

YES :

Go to Step 2.

NO :

Replace it, then go to Step 3.

STEP 2. Check for shock absorber damage.

Q: Is the shock absorber in good condition?

YES :

Go to Step 3.

NO :

Replace it, then go to Step 3.

STEP 3. Retest the system.

Q: Is the malfunction eliminated?

YES :

The procedure is complete.

NO :

Return to Step 1.

SYMPTOM

INSPECTION PROCEDURE

REFERENCE PAGE

Steering wheel is heavy, vibrates or pulls to one side 1

P.33A-3

Excessive body rolling

Poor ride

Unequal ride height

Noise

FRONT SUSPENSION DIAGNOSIS

TSB Revision

FRONT SUSPENSION

33A-4

INSPECTION PROCEDURE 3: Poor Ride

DIAGNOSIS

STEP 1. Check for improper tire inflation
pressure.
Refer to GROUP 31, On-vehicle Service

− Tire Infla-

tion Pressure Check

P.31-88

Q: Is the tire inflation correct?

YES :

Go to Step 2.

NO :

Adjust it, then go to Step 4.

STEP 2. Check for broken or deteriorated coil
spring(s).

Q: Are the coil spring(s) broken or deteriorated?

YES :

Replace it, then go to Step 4.

NO :

Go to Step 3.

STEP 3. Check for shock absorber damage.

Q: Is the shock absorber damaged?

YES :

Replace it, then go to Step 4.

NO :

Go to Step 4.

STEP 4. Retest the system.

Q: Is the malfunction eliminated?

YES :

The procedure is complete.

NO :

Return to Step 1.

INSPECTION PROCEDURE 4: Unequal Ride Height

DIAGNOSIS

STEP 1. Check for broken or deteriorated coil
spring(s).

Q: Are the coil spring(s) broken or deteriorated?

YES :

Replace it, then go to Step 2.

NO :

Go to Step 2.

STEP 2. Retest the system.

Q: Is the malfunction eliminated?

YES :

The procedure is complete.

NO :

Return to Step 1.

INSPECTION PROCEDURE 5: Noise

DIAGNOSIS

STEP 1. Check for lack of lubrication.

Q: Is lubrication inadequate?

YES :

Lubricate it, then go to Step 5.

NO :

Go to Step 2.

STEP 2. Check the tightened parts for looseness
as well as the bushings for wear.

Q: Are the tightened parts and bushings in good

condition?

YES :

Go to Step 3.

NO :

Replace it, then go to Step 5.

STEP 3. Check for broken coil spring(s).

Q: Are the coil spring(s) broken?

YES :

Replace it, then go to Step 5.

NO :

Go to Step 4.

STEP 4. Check for shock absorber damage.

Q: Is the shock absorber damaged?

YES :

Replace it, then go to Step 5.

NO :

Go to Step 5.

STEP 5. Retest the system.

Q: Is the malfunction eliminated?

YES :

The procedure is complete.

NO :

Return to Step 1.

Content .. 1128 1129 1130 1131 ..