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SECTION 2D
REAR SUSPENSION
TABLE OF CONTENTS
Description and Operation . . . . . . . . . . . . . . . . . . Rear Suspension . . . . . . . . . . . . . . . . . . . . . . . . . . Component Locator . . . . . . . . . . . . . . . . . . . . . . . . Rear Suspension . . . . . . . . . . . . . . . . . . . . . . . . . . Diagnostic Information and Procedures . . . . . Rear Suspension . . . . . . . . . . . . . . . . . . . . . . . . . . Checking the Rear Wheel Bearing End Play . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rear Wheel Bearing Free Load . . . . . . . . . . . . . . 2D-2 2D-2 2D-3 2D-3 2D-4 2D-4 2D-5 2D-5 Shock Absorber . . . . . . . . . . . . . . . . . . . . . . . . . . . Lateral Rod . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Trailing Arm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rear Axle Assembly . . . . . . . . . . . . . . . . . . . . . . . Unit Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hub and Bearing Assembly . . . . . . . . . . . . . . . . Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . General Specifications . . . . . . . . . . . . . . . . . . . . 2D-6 2D-7 2D-8 2D-9
2D-12 2D-12 2D-15 2D-15
Repair Instructions . . . . . . . . . . . . . . . . . . . . . . . . . 2D-6 On-Vehicle Service . . . . . . . . . . . . . . . . . . . . . . . . . . 2D-6
Fastener Tightening Specifications . . . . . . . . . . 2D-15 Special Tools and Equipment . . . . . . . . . . . . . . 2D-16 Special Tools Table . . . . . . . . . . . . . . . . . . . . . . . 2D-16
DAEWOO M-150 BL2
2D 2 REAR SUSPENSION
DESCRIPTION AND OPERATION
REAR SUSPENSION
The rear suspension consists of an axle with trailing arms and a lateral rod, two coil springs, two shock absorbers, two upper spring seats, and two bump stoppers. The axle structure maintains the relationship of the wheels to the body. Each coil spring is retained between a seat in the underbody and a seat welded to the top of the rear axle.
DAEWOO M-150 BL2
REAR SUSPENSION 2D 3
COMPONENT LOCATOR
REAR SUSPENSION
D106C401
1. 2. 3. 4. 5. 6. 7. 8.
Shock Absorber Bumper Stopper Coil Spring Upper Seat Coil Spring Washer Bushing Lateral Rod Rear Axle
9. 10. 11. 12. 13. 14. 15. 16.
Oil Seal Wheel Bearing Inner ABS Wheel Speed Ring Wheel Bearing Outer Cotter Pin Castellated Nut Spindle Cap Trailing Arm
DAEWOO M-150 BL2
2D 4 REAR SUSPENSION
DIAGNOSTIC INFORMATION AND PROCEDURES
REAR SUSPENSION
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Á Á
Condition Probable cause Correction Noise D The loosened joints. D Tighten the joints. D Wheel bearing is worn or damaged. D Faulty shock absorber. D Faulty shock absorber. D Faulty coil spring. D Lateral rod bushing is worn or damaged. D Trailing arm bushing is worn or damaged. Vehicle Leans Toward the Side D Rear axle deformation. D Lateral rod deformation. D Trailing arm deformation. D Faulty coil spring. D Lateral rod bushing is worn or damaged. D Trailing arm bushing is worn or damaged. D Replace the wheel bearing. D Replace the shock absorber. D Replace the shock absorber. D Replace the coil spring. D Replace the lateral rod bushing. D Replace the trailing arm bushing. D Replace the rear axle. D Replace the lateral rod. D Replace the trailing arm. D Replace the coil spring. D Replace the lateral rod bushing. D Replace the trailing arm bushing. Uncomfortable
DAEWOO M-150 BL2
REAR SUSPENSION 2D 5
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 inandout motion.
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.
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.
DAEWOO M-150 BL2
ÁÁÁÁÁÁÁÁÁ Á Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁ
Standard (No Load) 0.137 0.422 NSm (0.9 3.7 lb-in)
Á Á Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
D106C302
5. If the checked torque exceeds the specification, tighten the castellated nut. 6. If the checked torque exceeds the specification after tightening, replace the wheel bearing.
2D 6 REAR SUSPENSION
REPAIR INSTRUCTIONS ONVEHICLE SERVICE
SHOCK ABSORBER
Removal Procedure
1. Support the rear axle with adjustable jack stands. D Raise the vehicle and support the rear axle assembly (1, 2).
D106C501
2. Remove the shock absorber. D Remove the bolt (1). D Remove the nut (2).
D106C502
Installation Procedure
1. Install the shock absorber. D Install the shock absorbertorear axle bolt (1).
Tighten
Tighten the bolt to 4570 NSm (3352 lb-ft). D Install the shock absorbertobody bracket nut (2).
Tighten
Tighten the shock absorber nut to 4570 NSm (3352 lb-ft). 2. Remove the jack stand and lower the vehicle.
D16C503B
DAEWOO M-150 BL2
REAR SUSPENSION 2D 7
LATERAL ROD
Removal Procedure
1. Raise and suitably support the vehicle. 2. Remove the lateral rod. D Remove the lateral rodto body bracket bolt (1).
D106C504
D Remove the lateral rodtorear axle nut (2).
D106C505
2. Remove the lateral rod axle side bushing and washer from the lateral rod.
D106C506
Installation Procedure
1. Install in the reverse order of removal. 2. Install the lateral rodtorear axle side nut.
Tighten
Tighten the lateral rod axle side nut to 3555 NSm (2541 lb-ft).
D16C507A
DAEWOO M-150 BL2
2D 8 REAR SUSPENSION
3. Install the lateral rodtobody bracket bolt.
Tighten
Tighten the lateral rodtobody bracket bolt to 5070 NSm (3752 lb-ft).
D16C508B
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. D Loosen the shock absorbertobody bracket nut (1). D Remove the shock absorbertorear axle bolt (2).
D106C509
4. Remove the trailing arm. D Remove the trailing armtorear axle bolts (1).
D106C510
D Remove the trailing armtobody bracket bolt (2).
D106C511
DAEWOO M-150 BL2
REAR SUSPENSION 2D 9 Installation Procedure
1. Install the trailing arm. D Install the trailing armtobody bracket bolt (1).
Tighten
Tighten the trailing armtobody bracket bolt to 70 90 NSm (5566 lb-ft). D Install the trailing armtorear axle bolts (2).
Tighten
Tighten the trailing armtorear axle bolts to 8090 NSm (5966 lb-ft).
D16C515A
2. Install the rear shock absorber. Refer to "Shock Absorber" in this section.
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. D Support the rear axle with adjustable jack stands (1). D Remove the shock absorbertorear axle bolt (2). D Loosen the shock absorbertobody bracket nut (3). D Remove the trailing armtorear axle bolt (4). Caution: When disconnecting the rear axle and the trailing arm, coil spring tension may cause the adjustable jack stand to slip from the rear axle. This may result in personal injury. Carry out the operation with coworker.
D106C516
D106C517
4. Remove the rear axle from the vehicle. D Remove the coil spring by lowering the jack stand slowly (1). D Lower the support jack and remove the rear axle (2).
D106C518
DAEWOO M-150 BL2
2D 10 REAR SUSPENSION
5. Remove the rear bumper stopper and rear spring upper seat. a. Rear bumper stopper. b. Rear spring upper seat.
D106C519
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 securely until installing the trailing arm bolts.
D106C520
2. Install the rear bumper stopper and rear spring upper seat.
D106C519
DAEWOO M-150 BL2
REAR SUSPENSION 2D 11
3. Install the trailing arm and the shock absorber to the rear axle. D Install the trailing armtorear axle bolt (1).
Tighten
Tighten the trailing armtorear axle bolt to 8090 NSm (5966 lb-ft).
D16C517C
D Install the shock absorbertorear axle bolt (2).
Tighten
Tighten the shock absorbertorear axle bolt to 4570 NSm (3352 lb-ft). 4. Install the lateral rod. Refer to "Lateral Rod" in this section. 5. Install the rear brake drum, shoe and brake plate. Refer to Section 4E, Rear Drum Brake.
D16C516C
DAEWOO M-150 BL2
2D 12 REAR SUSPENSION
UNIT REPAIR
HUB AND BEARING ASSEMBLY
Tools Required
DW 340010 Front Wheel Hub Remover DW 350030 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. D Remove the outer tapered roller bearing (1).
D106C701
D Remove the oil seal (2). D Remove the inner tapered roller bearing (3).
D106C702
3. Remove the bearing races from the brake drum. D Remove the inner bearing race (1).
D106C703
DAEWOO M-150 BL2
REAR SUSPENSION 2D 13
D Remove the outer bearing race (2). Important: Use only new bearing race.
D106C704
Assembly Procedure
1. Press the bearing race into the break drum using the front wheel hub remover DW 340010 and the rear wheel bearing race installer DW 350030. D Press the inner bearing race (1).
D106C705
D Press the outer bearing race (2).
D106C706
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. D Install the inner bearing (1). D Install the oil seal (2).
D106C707
DAEWOO M-150 BL2
2D 14 REAR SUSPENSION
D Install the outer bearing (3). 3. Install the brake drum. Refer to Section 4E, Rear Drum Brakes. 4. Adjust the end play and free load of the bearing. Refer to "Check and Adjustments" in this section.
D106C708
DAEWOO M-150 BL2
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Q Rear Axle Castellated Nut : Refer to Section 4E, Rear Drum Brakes ABS Rear Speed Sensor Retaining Bolt Rear Axle Castellated Nut* Lateral RodtoRear Axle Nut Lateral RodtoBody Bracket Bolt Trailing ArmtoBody Bracket Bolt Trailing ArmtoRear Axle Bolt Shock AbsorbertoRear Axle Bolt Shock AbsorbertoBody Bracket Nut Grease Type (Rear Wheel Bearing and Hub) Coil Spring Height (No Load) Rear Wheel Bearing Application
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁ Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Á Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Á
Shock Absorber Suspension Type Application No Load Clearance Stroke Minimum Length Maximum Length
DAEWOO M-150 BL2
FASTENER TIGHTENING SPECIFICATIONS
GENERAL SPECIFICATIONS
SPECIFICATIONS
NSm (lb-in.)
mm (in.)
mm (in.)
mm (in.)
mm (in.)
mm (in.)
Unit
35 55 50 70 70 90 80 90 45 70 45 70 NSm
9 13
M8143 ANTIF BRG GREASE
REAR SUSPENSION 2D 15
0.137 0.422 (0.9 3.7)
257.5 ± 3 (10.14 ± 0.12)
394.5 ± 3 (15.53 ± 0.12)
Isolated Trailing Link
25 41 37 52 55 66 59 66 33 52 33 52 Lb-Ft
Description
291 (11.46)
137 (5.39)
0
80 115 Lb-In
2D 16 REAR SUSPENSION
SPECIAL TOOLS AND EQUIPMENT
SPECIAL TOOLS TABLE
DW 340010 Front Wheel Hub Remover
DW 350030 Rear Wheel Bearing Race Installer
D16B101A
D106C101
DAEWOO M-150 BL2