27 - Rear Suspension.pdf

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27–1
REAR SUSPENSION
–
REAR SUSPENSION SYSTEM
REAR SUSPENSION SYSTEM
PROBLEM SYMPTOMS TABLE
Use the table below to help you find the cause of the problem. The numbers indicate the priority of
the likely cause of the problem. Check each part in order. If necessary, replace these parts.
Symptom
2707N–01
Suspect Area
See page
Wander/pulls
1. Tire (Worn or improperly inflated)
2. Wheel alignment (Incorrect)
3. Hub bearing (Worn)
4. Suspension parts (Worn)
28–1
27–3
30–24
–
Bottoming
1. Vehicle (Overloaded)
2. Spring (Weak)
3. Shock absorber (Worn)
–
27–4
27–4
Sways/pitches
1. Tire (Worn or improperly inflated)
2. Stabilizer bar (Bent or broken)
3. Shock absorber (Worn)
28–1
27–13
27–4
Rear wheel shimmy
1. Tire (Worn or improperly inflated)
2. Wheel (Out of balance)
3. Shock absorber (Worn)
4. Wheel alignment (Incorrect)
28–1
28–1
27–4
27–3
Abnormal tire wear
1. Tire (Worn or improperly inflated)
2. Wheel alignment (Incorrect)
3. Shock absorber (Worn)
4. Suspension parts (Worn)
28–1
27–3
27–4
–
2004 COROLLA (RM1037U)
Author:
Date:
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27–2
REAR SUSPENSION
–
REAR SUSPENSION
REAR SUSPENSION
COMPONENTS
2707O–01
56 (571, 41)
Suspension Plate
Cushion
Spring Bracket
80 (816, 59)
Suspension Support
Upper Insulator
80 (816, 59)
Spring Bumper
Coil Spring
5.0 (51, 44 in. V lbf)
Rear Shock Absober
w/Coil Spring
Rear Shock Absorber
Assy Rear LH
80 (816, 59)
Speed Sensor Wire
5.4 (55, 48 in.
lbf)
Rear Brake
Drum Sub–Assy
195 (1,990, 144)
Stabilize Bar Rear
61 (622, 45)
Rear Axle Carrier
Bush LH
X4
195 (1,990, 144)
85 (867, 62)
Rear Axle Carrier
Bush LH
N
V
m (kgf
V
cm, ft
V
lbf) : Specified torque
Rear Axle Beam Assy
Non–reusable part
C95124
2004 COROLLA (RM1037U)
Author:
Date:
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V
256353543.004.png
 
27–3
REAR SUSPENSION
–
REAR WHEEL ALIGNMENT
REAR WHEEL ALIGNMENT
INSPECTION
1. INSPECT TIRE(See page 28–1 )
2. MEASURE VEHICLE HEIGHT(See page 26–5 )
NOTICE:
Before inspecting the wheel alignment, adjust the vehicle height to the specified value.
2707P–01
A
B
3. INSPECT TOE–IN
Toe–in:
USA, Canada:
D
Front
P195/65R15 89S
P185/65R15 86S
A + B
0°16’ ± 16’
(0.26° ± 0.26°)
0°16’ ± 16’
(0.26° ± 0.26°)
C
C – D
2.6 ± 2.5 mm
(0.10 ± 0.10 in.)
2.5 ± 2.5 mm
(0.10 ± 0.10 in.)
SA3213
Mexico:
P195/65R15 89H
A + B
0°01’ ± 16’ (0.16° ± 0.26°)
0.10 in.)
If the toe–in is not within the specified value, inspect and re-
place the suspension parts as necessary.
C – D
1.6
±
2.5 mm (0.06
±
4. INSPECT CAMBER
(a) Install the camber–caster–kingpin gauge or position vehicle on wheel alignment tester.
(b) Inspect the camber.
Camber:
USA, Canada
Mexico
–1°26’ ± 30’ (–1.43° ± 0.5°)
30’ (0.5°) or less
If the measured value is not within the specified value, inspect the suspension parts for damage and/or wear
and replace them if necessary become camber is not adjustable.
–1°27’ ± 30’ (–1.45° ± 0.5°)
30’ (0.5°) or less
Right–left error
2004 COROLLA (RM1037U)
Author:
Date:
1254
Camber
256353543.005.png
27–4
REAR SUSPENSION
–
REAR SHOCK ABSORBER WITH COIL SPRING
REAR SHOCK ABSORBER WITH COIL SPRING
OVERHAUL
HINT:
COMPONENTS: See page 27–2
1.
2707R–01
REMOVE REAR WHEEL
2.
REMOVE SPARE WHEEL COVER ASSY
3.
REMOVE REAR FLOOR FINISH PLATE(See page 76–21 )
4.
REMOVE LUGGAGE COMPARTMENT TRIM COVER INNER LH(See page 76–21 )
5. REMOVE REAR SHOCK ABSORBER WITH COIL
SPRING
(a) Support the rear axle beam with jack.
Wood
Block
F40125
(b) Remove the 2 nuts and bolt.
C80891
(c) Remove the nut, washer and shock absorber.
C67565
6. REMOVE SHOCK ABSORBER ASSY REAR LH
(a) Using SST, compress the coil spring.
SST 09727–30021
NOTICE:
Do not use an impact wrench. It will damage the SST.
SST
F40126
2004 COROLLA (RM1037U)
Author:
Date:
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27–5
REAR SUSPENSION
–
REAR SHOCK ABSORBER WITH COIL SPRING
(b) Using a 6 mm hexagon wrench to hold the piston rod, re-
move the nut.
(c) Remove the support plate, cushion, spring bracket, upper
insulator, suspension support, spring bumper and coil
spring.
F40127
C67568
7. INSPECT SHOCK ABSORBER ASSY REAR LH
(a) Compress and extend the shock absorber rod and check
that there is no abnormal resistance or unusual sound
during operation.
If there is any abnormality, replace the shock absorber with a
new one.
NOTICE:
When disposing the shock absorber, see DISPOSAL on
page 27–7 .
8. INSTALL SHOCK ABSORBER ASSY REAR LH
(a) Using SST, compress the coil spring.
SST 09727–30021
NOTICE:
Do not use an impact wrench. It will damage the SST.
SST
F40128
(b) Insert the coil spring to the shock absorber.
HINT:
Fit the lower end of the coil spring into the gap of the spring low-
er seat.
(c) Install the spring bumper and suspension support.
(d) Set the upper insulator to the spring bracket.
F40129
(e) Position the spring bracket with upper insulator as shown
in the illustration.
Front
HINT:
Place the RH side on the symmetric position to the illustration.
(f) Install the cushion and support plate.
(g) Temporarily tighten a new center nut.
(h) Remove the SST.
SST 09727–30021
(i) Recheck the direction of the spring bracket.
80.6
F40274
2004 COROLLA (RM1037U)
Author:
Date:
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