Workshop Manual GALANT Mitsubishi Rear Suspension 34
User Manual: Mitsubishi Galant Workshop Rear Suspension Manual Troubleshoot Mitsubishi Galant Workshop Rear Suspension |
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34-1 REAR SUSPENSION CONTENTS 34109000145 GENERAL INFORMATION . . . . . . . . . . . . . . . . . . 2 UPPER ARM ASSEMBLY . . . . . . . . . . . . . . . . . . . 7 SERVICE SPECIFICATIONS . . . . . . . . . . . . . . . . . 3 TRAILING ARM ASSEMBLY . . . . . . . . . . . . . . . . 9 SPECIAL TOOLS . . . . . . . . . . . . . . . . . . . . . . . . . . 3 LOWER ARM AND TOE CONTROL ARM ASSEMBLIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 ON-VEHICLE SERVICE . . . . . . . . . . . . . . . . . . . . . 4 Wheel Alignment Check and Adjustment . . . . . . . 4 SHOCK ABSORBER ASSEMBLY . . . . . . . . . 13 Ball Joint Dust Cover Check . . . . . . . . . . . . . . . . . . 4 STABILIZER BAR . . . . . . . . . . . . . . . . . . . . . . . . 16 REAR SUSPENSION ASSEMBLY . . . . . . . . . . . 5 34-2 REAR SUSPENSION - General Information GENERAL INFORMATION 34100010192 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. COIL SPRING Items Sedan Wagon Wire diameter ´ average diameter ´ free length mm 9 ¢ 62 - 102 ¢ 397, 9 ¢ 94 - 102 ¢ 330*1, 9 - 10 ¢ 63 - 103 ¢ 386*2 9 - 10 ¢ 63 - 103 ¢ 405, 10 ¢ 95 - 103 ¢ 321*1, 10 - 11 ¢ 64 - 104 ¢ 383*2 NOTE *1: Self-leveling shock absorber *2: Heavy-duty suspension CONSTRUCTION DIAGRAM Shock absorber Upper arm Knuckle Crossmember Toe control arm Lower arm Trailing arm 34-3 REAR SUSPENSION - Service Specifications/Special Tools SERVICE SPECIFICATIONS 34100030174 Items Specifications Toe-in At the centre of tyre tread mm 3±3 Toe-angle (per wheel) 0_09’ ± 09’ Camber - 1_00’ ± 30’ Dimension for positioning upper arm bracket mm 37.2 ± 2 Toe control arm ball joint turning torque Nm 1.0 - 2.6 Stabilizer link ball joint turning torque Nm 0.5 - 1.5 SPECIAL TOOLS Tool A B 34100060159 Number Name Use MB990635, MB991113 or MB991406 Steering linkage puller Ball joint and knuckle disconnection MB990326 Preload socket Ball joint continuous rotating check MB990800 Ball joint remover and installer Ball joint dust cover installation A: MB991237 B: MB991239 A: Coil spring compression B: Spring compressor body Arm set 34-4 REAR SUSPENSION - On-vehicle Service ON-VEHICLE SERVICE Crossmember 33100100106 WHEEL ALIGNMENT CHECK AND ADJUSTMENT TOE-IN Standard value: At the centre of tyre tread 3 ± 3 mm Toe angle (per wheel) 0_09’± 09’ Turn the toe control arm mounting bolts of the left and right toe control arms by equal amounts to adjust. LH: Clockwise viewed from the rear ® Toe-out RH: Clockwise viewed from the rear ® Toe-in Furthermore, toe adjustment can be mode at graduations of approximately 2.5 mm CAMBER Standard value: - 1_00’ ± 30’ NOTE 1. Camber is preset at the factory and can not be adjusted. 2. If camber is not within the standard value, check and replace bent or damaged parts. BALL JOINT DUST COVER CHECK 34101280011 1. Check the dust cover for cracks or damage by pushing it with finger. 2. If the dust cover is cracked or damaged, replace the toe control arm assembly or stabilizer link. NOTE Cracks or damage of the dust cover may cause damage of the ball joint. 34-5 REAR SUSPENSION - Rear Suspension Assembly REAR SUSPENSION ASSEMBLY 34100330113 REMOVAL AND INSTALLATION Pre-removal Operation D Brake Fluid DrainingD Rear Seat Removal (Refer to GROUP 52A.) D Retractor Trim Removal (Refer to GROUP 52A.) D Center Exhaust Pipe Removal (Refer to GROUP 15.) Post-installation Operation D Center Exhaust Pipe Installation (Refer to GROUP 15.) D Retractor Trim Installation (Refer to GROUP 52A.) D Rear Seat Installation (Refer to GROUP 52A.) D Parking Brake Lever Stroke Check (Refer to GROUP 36 - On-vehicle Service.) D Brake Line bleeding (Refer to GROUP 35A - On-vehicle Service.) D Wheel Alignment Check and Adjustment (Refer to P.34-4.) 1 2 44 Nm 8 39 Nm 12 13 11 88 Nm 137 - 157 Nm* 5 100 Nm 7 15 Nm AA" 10 9 4 6 Removal steps 1. Cap 2. Shock absorber mounting nuts 3. Brake caliper assembly 4. Brake disc or brake dram 5. Shoe and lining assembly (Refer to GROUP 36 - Parking Brake Drum.) 6. Parking brake cable connection (Refer to GROUP 36.) 7. Brake hose connection 8. Upper arm mounting bolts 3 AB" 9. 10. 11. 12. Grommet Trailing arm mounting bolt Crossmember mounting nuts Rear wheel speed sensor connector connection 13. Rear suspension assembly Caution *: Indicates parts which should be temporarily tightened, and then fully tightened with the vehicles on the ground in the unladen condition. 34-6 REAR SUSPENSION - Rear Suspension Assembly REMOVAL SERVICE POINT AA" BRAKE CALIPER ASSEMBLY REMOVAL Secure the removed caliper assembly with wire, so that it does not fall. AB" CROSSMEMBER MOUNTING NUT REMOVAL Hold the crossmember with a garage jack or transmission jack to remove a crossmember mounting nut. 34-7 REAR SUSPENSION - Upper Arm Assembly UPPER ARM ASSEMBLY 34100360082 REMOVAL AND INSTALLATION Post-installation Operation Wheel Alignment Check and Adjustment (Refer to P.34-4.) 39 Nm 2 3 98 Nm* 1 4 57 Nm 57 Nm 5 Removal 1. Upper bolt 2. Upper bolts 3. Upper "AA 4. Upper steps arm and knuckle connecting arm assembly mounting arm assembly arm bracket 5. Upper arm Caution *: Indicates parts which should be temporarily tightened, and then fully tightened with the vehicles on the ground in the unladen condition. 34-8 REAR SUSPENSION - Upper Arm Assembly INSTALLATION SERVICE POINT Upper arm "AA UPPER ARM BRACKET INSTALLATION Install the upper arm bracket that the dimension shown in the illustration is at the standard value. A Standard value (A): 37.2 ± 2 mm NOTE Refer to distances B and C shown in the illustration to check the installation angle of the upper arm bracket. Upper arm bracket B: 220.1 mm C: 274.4 mm B C B C REAR SUSPENSION - Trailing Arm Assembly TRAILING ARM ASSEMBLY 34-9 34100420162 REMOVAL AND INSTALLATION Post-installation Operation Wheel Alignment Check and Adjustment (Refer to P.34-4.) 137 - 157 Nm* 118 - 137 Nm* 3 4 5 2 Removal steps 1. Knuckle and trailing arm assembly connecting bolt 2. Grommet 3. Trailing arm assembly mounting bolt 4. Stopper 1 5. Trailing arm assembly Caution *: Indicates parts which should be temporarily tightened, and then fully tightened with the vehicles on the ground in the unladen condition. 34-10 REAR SUSPENSION - Lower Arm and Toe Control Arm Assemblies LOWER ARM AND TOE CONTROL ARM ASSEMBLIES 34100450086 REMOVAL AND INSTALLATION Post-installation Operation D Check the Dust Cover for Cracks or Damage by Pushing it with Finger D Wheel Alignment Check and Adjustment (Refer to P.34-4.) 8 67 - 98 Nm* 4 8 98 Nm* 7 1 6 28 Nm 2 2 5 98 Nm* 3 39 Nm Lower arm assembly removal steps 1. Stabilizer link connection 2. Wheel speed sensor mounting bolts 3. Lower arm assembly and knuckle connecting bolt 4. Lower arm assembly mounting bolt 5. Lower arm assembly AA" AB" Toe control arm assembly removal steps 6. Toe control arm and knuckle connection 7. Toe control arm assembly mounting bolt 8. Toe control arm assembly Caution *: Indicates parts which should be temporarily tightened, and then fully tightened with the vehicles on the ground in the unladen condition. REAR SUSPENSION - Lower Arm and Toe Control Arm Assemblies Nut 34-11 REMOVAL SERVICE POINTS MB990635, MB991113 or MB991406 AA" TOE CONTROL ARM AND KNUCKLE DISCONNECTION Cord Caution 1. Use the special tool to loosen the nut only; do not removal it from the ball joint. 2. Tie the special tool with a cord not to let it fall off. Ball joint AB" TOE CONTROL ARM ASSEMBLY MOUNTING BOLT REMOVAL Place mating marks on the crossmember and the plate before removing the bolt. Plate Mating marks INSPECTION MB990326 34100460096 TOE CONTROL ARM BALL JOINT TURNING TORQUE CHECK 1. After shaking the ball joint stud several times, install the nut to the stud and use the special tool to measure the turning torque of the ball joint. Standard value: 1.0 - 2.6 Nm 2. When the measured value exceeds the standard value, replace the toe control arm assembly. 3. When the measured value is lower than the standard value, check that the ball joint turns smoothly without excessive play. If so, it is possible to use that ball joint. TOE CONTROL ARM BALL JOINT DUST 34101290014 COVER CHECK MB990800 Dust cover Snap ring 1. Check the dust cover for cracks or damage by pushing it with finger. 2. If the dust cover is cracked or damaged, replace the toe control arm assembly. NOTE Cracks or damage of the dust cover may cause damaged of the ball joint. When it is damaged during service work, replace the dust cover. 34-12 REAR SUSPENSION - Lower Arm and Toe Control Arm Assemblies TOE CONTROL ARM BALL JOINT DUST 34101080062 COVER REPLACEMENT Only when the dust cover is damaged accidentally during service work, replace the dust cover as follows: 1. Remove the dust cover. 2. Apply multipurpose grease to inside and lip of the dust cover. 3. Using the special tool, press the dust cover until it contacts the snap ring. 4. Check the dust cover for cracks or damage by pushing it with finger. REAR SUSPENSION - Shock Absorber Assembly SHOCK ABSORBER ASSEMBLY 34-13 34100510159 REMOVAL AND INSTALLATION Pre-removal and Post-installation Operation D Rear Seat Removal and Installation (Refer to GROUP 52A.) D Retractor Trim Removal and Installation (Refer to GROUP 52A.) 1 2 44 Nm 4 3 98 Nm Removal steps 1. Cap 2. Shock absorber mounting nuts 3. Bolt "AA 4. Shock absorber assembly INSTALLATION SERVICE POINT Outside of the body Lower bushing inner pipe "AA SHOCK ABSORBER ASSEMBLY INSTALLATION Install the shock absorber so that the larger diameter side of the lower bushing inner pipe faces toward the outside of the vehicle. 34-14 REAR SUSPENSION - Shock Absorber Assembly DISASSEMBLY AND REASSEMBLY 34100530117 23 Nm 1 2 3 8 11 9 4 10 5 6 12 7 Disassembly steps AA" "CA 1. Self-locking nut 2. Washer 3. Upper bushing A "BA 4. Upper bracket assembly 5. Upper spring pad 6. Collar 7. 8. 9. 10. "AA 11. 12. Upper bushing B Cup assembly Bump rubber Dust cover Coil spring Shock absorber assembly DISASSEMBLY SERVICE POINT MB991237 MB991239 AA" SELF-LOCKING NUT REMOVAL 1. Use the special tools to compress the coil spring. Caution (1) Install the special tools evenly, and so that the maximum length will be attained within the installation range. (2) Do not use an impact wrench to tighten the special tool bolt. 2. While holding the piston rod, remove the self-locking nut. Caution Do not use an impact wrench. REAR SUSPENSION - Shock Absorber Assembly 34-15 REASSEMBLY SERVICE POINTS "AA COIL SPRING INSTALLATION 1. Install the special tool in the same manner as for removal, and compress the coil spring to install the shock absorber. Caution Do not use an impact wrench to tighten the special tool bolt. Coil spring edge Spring seat 2. Align the edge of the coil spring to the stepped part of the shock absorber spring seat. "BA UPPER BRACKET ASSEMBLY INSTALLATION Install the upper bracket assembly so that the lower bushing inner pipe of the shock absorber is at the shown position. Lower bushing inner pipe "CA SELF-LOCKING NUT INSTALLATION 1. Temporarily tighten the self-locking nut. 2. Remove the special tools (MB991237, MB991239), and tighten the self-locking nut to the specified torque. Caution Do not use an impact wrench. 34-16 REAR SUSPENSION - Stabilizer Bar STABILIZER BAR 34100560109 REMOVAL AND INSTALLATION Post-installation Operation Check the Dust Cover for Cracks or Damage by Pushing it with Finger. 4 5 3 44 Nm 1 39 Nm 2 39 Nm Removal steps 1. Stabilizer link mounting nuts 2. Stabilizer link "AA 3. Stabilizer bar bracket Approx. 20 mm Outside of the body 1 "AA 4. Bushing "AA 5. Stabilizer bar INSTALLATION SERVICE POINT "AA STABILIZER BAR/BUSHING/STABILIZER BAR BRACKET INSTALLATION Position the stabilizer bar identification mark to the left side. Adjust the identification mark position as shown in the figure, and tighten the stabilizer bar bracket mounting bolt. REAR SUSPENSION - Stabilizer Bar INSPECTION 34-17 34100570119 STABILIZER LINK BALL JOINT TURNING TORQUE CHECK 1. After shaking the ball joint stud several times, install the nut to the stud and use the special tool to measure the turning torque of the ball joint. MB990326 Standard value: 0.5 - 1.5 Nm 2. When the measured value exceeds the standard value, replace the stabilizer link. 3. When the measured value is lower than the standard value, check that the ball joint turns smoothly without excessive play. If so, it is possible to use that ball joint. STABILIZER LINK BALL JOINT DUST COVER CHECK 34101300014 1. Check the dust cover for cracks or damage by pushing it with finger. 2. If the dust cover is cracked or damaged, replace the stabilizer link. NOTE Cracks or damage of the dust cover may cause damage of the ball joint. When it is damaged during service work, replace the dust cover. STABILIZER LINK BALL JOINT DUST COVER 34101090089 REPLACEMENT Only when the dust cover is damaged accidentally during service work, replace the dust cover as follows: 1. Remove the clip ring and the dust cover. 2. Apply multipurpose grease to the lip and inside of the dust cover. Clip ring Plastic tape Approx. 90_ Clip ring ends (180_ on opposite side also possible) 3. Use plastic tape on the stabilizer link threads as shown in the illustration, and then install the dust cover to the stabilizer link. 4. Secure the dust cover with the clip ring. When installing the clip ring, align the ends at a 90_ angle from the axis of the stabilizer link. 5. Check the dust cover for cracks or damage by pushing it with finger. NOTES
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