DAEWOO MATIZ 2003 Service Repair Manual

2D –4 REAR SUSPENSION
DAEWOO M-150 BL2
DIAGNOSTIC INFORMATION AND PROCEDURES
REAR SUSPENSION

Condition

Probable cause

Correction
Noise
The loosened joints.
Tighten the joints.

Wheel bearing is worn or damaged.
Replace the wheel bearing.

Faulty shock absorber.
Replace the shock absorber.
Uncomfortable
Faulty shock absorber.
Replace the shock absorber.

Faulty coil spring.
Replace the coil spring.

Lateral rod bushing is worn or
damaged.
Replace the lateral rod bushing.

Trailing arm bushing is worn or
damaged.
Replace the trailing arm bushing.
Vehicle Leans Toward
Rear axle deformation.
Replace the rear axle.
the Side
Lateral rod deformation.
Replace the lateral rod.

Trailing arm deformation.
Replace the trailing arm.

Faulty coil spring.
Replace the coil spring.

Lateral rod bushing is worn or
damaged.
Replace the lateral rod bushing.

Trailing arm bushing is worn or
damaged.
Replace the trailing arm bushing.

REAR SUSPENSION 2D–5
DAEWOO M-150 BL2
CHECKING THE REAR WHEEL
BEARING END PLAY
1. Release the parking brake.
2. Raise the vehicle.
3. Check the wheel bearing play by moving the top and
the down of the tire in an in–and–out motion.
D106C301

Rear Wheel Bearing Play

0 mm (0 in.)
4. If the bearing play is high, tighten the castellated nut.
5. If the bearing play is high after tightening, replace the
wheel bearing.
REAR WHEEL BEARING FREE LOAD
1. Release the parking brake.
2. Raise the vehicle and rotate the wheel.
3. Remove the wheels.
4. Check the torque when the hub moves by a spring
scale.

Standard (No Load)

0.137 – 0.422 Nm
(0.9 – 3.7 lb-in)
D106C302
5. If the checked torque exceeds the specification, tight-
en the castellated nut.
6. If the checked torque exceeds the specification after
tightening, replace the wheel bearing.

2D –6 REAR SUSPENSION
DAEWOO M-150 BL2
REPAIR INSTRUCTIONS
ON–VEHICLE SERVICE
D106C501
SHOCK ABSORBER
Removal Procedure
1. Support the rear axle with adjustable jack stands.

Raise the vehicle and support the rear axle assem-
bly (1, 2).
D106C502
2. Remove the shock absorber.

Remove the bolt (1).

Remove the nut (2).
D16C503B
Installation Procedure
1. Install the shock absorber.

Install the shock absorber–to–rear axle bolt (1).
Tighten
Tighten the bolt to 45–70 Nm (33–52 lb-ft).

Install the shock absorber–to–body bracket nut (2).
Tighten
Tighten the shock absorber nut to 45–70 Nm (33–52
lb-ft).
2. Remove the jack stand and lower the vehicle.

REAR SUSPENSION 2D–7
DAEWOO M-150 BL2
D106C504
LATERAL ROD
Removal Procedure
1. Raise and suitably support the vehicle.
2. Remove the lateral rod.

Remove the lateral rod–to– body bracket bolt (1).
D106C505

Remove the lateral rod–to–rear axle nut (2).
D106C506
2. Remove the lateral rod axle side bushing and washer
from the lateral rod.
D16C507A
Installation Procedure
1. Install in the reverse order of removal.
2. Install the lateral rod–to–rear axle side nut.
Tighten
Tighten the lateral rod axle side nut to 35–55 Nm
(25–41 lb-ft).

2D –8 REAR SUSPENSION
DAEWOO M-150 BL2
D16C508B
3. Install the lateral rod–to–body bracket bolt.
Tighten
Tighten the lateral rod–to–body bracket bolt to 50–70
Nm (37–52 lb-ft).
D106C509
TRAILING ARM
Removal Procedure
1. Raise and suitably support the vehicle.
2. Support the rear axle with adjustable jack stands.
3. Separate the rear shock absorber from the rear axle
assembly.

Loosen the shock absorber–to–body bracket nut
(1).

Remove the shock absorber–to–rear axle bolt (2).
D106C510
4. Remove the trailing arm.

Remove the trailing arm–to–rear axle bolts (1).
D106C511

Remove the trailing arm–to–body bracket bolt (2).

REAR SUSPENSION 2D–9
DAEWOO M-150 BL2
D16C515A
Installation Procedure
1. Install the trailing arm.

Install the trailing arm–to–body bracket bolt (1).
Tighten
Tighten the trailing arm–to–body bracket bolt to 70–
90 Nm (55–66 lb-ft).

Install the trailing arm–to–rear axle bolts (2).
Tighten
Tighten the trailing arm–to–rear axle bolts to 80–90
Nm (59–66 lb-ft).
2. Install the rear shock absorber. Refer to “Shock Ab-
sorber” in this section.
D106C516
D106C517
REAR AXLE ASSEMBLY
(INCLUDING COIL SPRING)
Removal Procedure
1. Remove the rear brake drum, shoe and brake plate.
Refer to Section 4E, Rear Drum Brakes.
2. Remove the lateral rod. Refer to “Lateral Rod” in this
section.
3. Disconnect the rear axle and the trailing arm.

Support the rear axle with adjustable jack stands
(1).

Remove the shock absorber–to–rear axle bolt (2).

Loosen the shock absorber–to–body bracket nut
(3).

Remove the trailing arm–to–rear axle bolt (4).
Caution: When disconnecting the rear axle and the
trailing arm, coil spring tension may cause the ad-
justable jack stand to slip from the rear axle. This
may result in personal injury. Carry out the opera-
tion with co–worker.
D106C518
4. Remove the rear axle from the vehicle.

Remove the coil spring by lowering the jack stand
slowly (1).

Lower the support jack and remove the rear axle
(2).

2D –10 REAR SUSPENSION
DAEWOO M-150 BL2
D106C519
5. Remove the rear bumper stopper and rear spring up-
per seat.
a. Rear bumper stopper.
b. Rear spring upper seat.
D106C520
Installation Procedure
1. Install in the reverse order of removal.
Important: Make sure the spring diameter prior to
installing the spring. Upper spring diameter is smaller
than lower spring diameter.
Caution: Support the jack stand to the rear axle se-
curely until installing the trailing arm bolts.
D106C519
2. Install the rear bumper stopper and rear spring upper
seat.

REAR SUSPENSION 2D–11
DAEWOO M-150 BL2
D16C517C
3. Install the trailing arm and the shock absorber to the
rear axle.

Install the trailing arm–to–rear axle bolt (1).
Tighten
Tighten the trailing arm–to–rear axle bolt to 80–90
Nm (59–66 lb-ft).
D16C516C

Install the shock absorber–to–rear axle bolt (2).
Tighten
Tighten the shock absorber–to–rear axle bolt to 45–70
Nm (33–52 lb-ft).
4. Install the lateral rod. Refer to “Lateral Rod” in this
section.
5. Install the rear brake drum, shoe and brake plate. Re-
fer to Section 4E, Rear Drum Brake.

2D –12 REAR SUSPENSION
DAEWOO M-150 BL2
UNIT REPAIR
D106C701
HUB AND BEARING ASSEMBLY
Tools Required
DW 340–010 Front Wheel Hub Remover
DW 350–030 Rear Wheel Bearing Race Installer
Disassembly Procedure
1. Remove the rear brake drum. Refer to Section 4E,
Rear Drum Brakes.
2. Remove the rear wheel bearing.

Remove the outer tapered roller bearing (1).
D106C702

Remove the oil seal (2).

Remove the inner tapered roller bearing (3).
D106C703
3. Remove the bearing races from the brake drum.

Remove the inner bearing race (1).

REAR SUSPENSION 2D–13
DAEWOO M-150 BL2
D106C704

Remove the outer bearing race (2).
Important: Use only new bearing race.
D106C705
Assembly Procedure
1. Press the bearing race into the break drum using the
front wheel hub remover DW 340–010 and the rear
wheel bearing race installer DW 350–030.

Press the inner bearing race (1).
D106C706

Press the outer bearing race (2).
D106C707
2. Install the wheel bearing and oil seal into the brake
drum.
Important: Coat or fill all the hollow spaces of both
wheel bearing, the ring seal lip and the brake drum with
antifriction grease.

Install the inner bearing (1).

Install the oil seal (2).