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RSU_REAR_SUSPENSION(后悬).pdf

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RSU_REAR_SUSPENSION
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RSU-1 SUSPENSION C D F G H I J K L M SECTION RSU A B RSU N O P CONTENTS REAR SUSPENSION PRECAUTION ........................................... .... 2 PRECAUTIONS .............................................. ..... 2 Precaution for Supplemental Restraint System (SRS) “AIR BAG“ and “SEAT BELT PRE-TEN- SIONER“ ............................................................. ......2 Precaution for Rear Suspension ......................... ......2 PREPARATION ........................................ .... 3 PREPARATION .............................................. ..... 3 Commercial Service Tool .................................... ......3 SYMPTOM DIAGNOSIS ........................... .... 4 NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING ........................ ..... 4 NVH Troubleshooting Chart ................................ ......4 ON-VEHICLE MAINTENANCE ................. .... 5 REAR SUSPENSION ASSEMBLY ................ ..... 5 On-Vehicle Inspection ......................................... ......5 Wheel Alignment Inspection ................................ ......5 SHOCK ABSORBER ..................................... ..... 8 Inspection ............................................................ ......8 ON-VEHICLE REPAIR .............................. .... 9 REAR SUSPENSION ASSEMBLY ................ ..... 9 Component .......................................................... ..... 9 REMOVAL AND INSTALLATION ............ ...10 REAR SUSPENSION MEMBER .......................10 Removal and Installation ..................................... ....10 SHOCK ABSORBER ........................................14 Removal and Installation ..................................... ....14 SUSPENSION ARM ..........................................15 Removal and Installation ..................................... ....15 FRONT LOWER LINK .......................................17 Removal and Installation ..................................... ....17 REAR LOWER LINK & COIL SPRING .............19 Removal and Installation ..................................... ....19 STABILIZER BAR .............................................21 Removal and Installation ..................................... ....21 SERVICE DATA AND SPECIFICATIONS (SDS) ......................................................... ...22 SERVICE DATA AND SPECIFICATIONS (SDS) .................................................................22 Wheel Alignment ................................................. ....22 Ball Joint .............................................................. ....22 Wheelarch Height (Unladen*) .............................. ....23RSU-2PRECAUTIONS PRECAUTION PRECAUTIONS Precaution for Supplemental Restraint System (SRS) “AIR BAG“ and “SEAT BELT PRE-TENSIONER“ INFOID:0000000001675459 The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted. Information necessary to service the system safely is included in the SR and SB section of this Service Man- ual. WARNING: ? To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in the event of a collision which would result in air bag inflation, all maintenance must be performed by an authorized NISSAN/INFINITI dealer.  Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag Module, see the SR section.  Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har- ness connectors. Precaution for Rear Suspension INFOID:0000000001675460  When installing the rubber bushings, the final tightening must be done under unladen condition and with the tires on level ground. Oil will shorten the life of the rubber bushings, so wipe off any spilled oil immediately.  Unladen condition means the fuel tank, engine coolant and lubricants are at the full specification. The spare tire, jack, hand tools, and mats are in their designated positions. There are no passengers in the vehicle.  After installing suspension components, check the wheel alignment.  Caulking nuts are not reusable. Always use new caulking nuts for installation. New caulking nuts are pre- oiled, do not apply any additional lubrication.PREPARATION RSU-3C D F G H I J K L M A B RSU N O P PREPARATION PREPARATION Commercial Service Tool INFOID:0000000001675550 Tool name Description Power tool Removing bolts and nuts PBIC0190ERSU-4NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING SYMPTOM DIAGNOSIS NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING NVH Troubleshooting Chart INFOID:0000000001675551 Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts. ×: Applicable Reference page RSU-9 RSU-8 RSU-5 RSU-9 RSU-23 RSU-9 RSU-5 RSU-21 DLN-306, “NVH Troubleshooting Chart“ (2F1310) DLN-314, “NVH Troubleshooting Chart“ (2S1330) DLN-323, “NVH Troubleshooting Chart“ (2S1350) DLN-336, “NVH Troubleshooting Chart“ (R180A) DLN-370, “NVH Troubleshooting Chart“ (M205) FSU-4, “NVH Troubleshooting Chart“ FAX-4, “NVH Troubleshooting Chart“ WT-33, “NVH Troubleshooting Chart“ WT-33, “NVH Troubleshooting Chart“ FAX-4, “NVH Troubleshooting Chart“ BR-5, “NVH Troubleshooting Chart“ ST-9, “NVH Troubleshooting Chart“ Possible cause and SUSPECTED PARTS Improper installation, looseness Shock absorber deformation, damage or deflection Bushing or mounting deterioration Parts interference Spring fatigue Suspension looseness Incorrect wheel alignment Stabilizer bar fatigue PROPELLER SHAFT DIFFERENTIAL FRONT SUSPENSION FRONT AXLE TIRES ROAD WHEEL DRIVE SHAFT BRAKES STEERING Symptom Noise ×××××× × × × ××××× Shake ×××× × × × ××××× Vibration ××××× × × × × × Shimmy ×××× × × ×× ×× Shudder ××× × ×× ×× Poor quality ride or handling ××××× ×× × ××REAR SUSPENSION ASSEMBLY RSU-5C D F G H I J K L M A B RSU N O P ON-VEHICLE MAINTENANCE REAR SUSPENSION ASSEMBLY On-Vehicle Inspection INFOID:0000000001675566  Check all of the component mountings for any excessive looseness, or backlash. Repair or replace the com- ponents as necessary.  Check the components for any excessive wear, damage, or abnormal conditions. Repair or replace the com- ponents as necessary.  Check the shock absorbers for any oil leaks or damage, and replace as necessary. Wheel Alignment Inspection INFOID:0000000001675567 Rear Wheel Alignment Adjusting Bolts PRELIMINARY INSPECTION WARNING: Always adjust the alignment with the vehicle on a flat surface. NOTE: If alignment is out of specification, inspect and replace any damaged or worn rear suspension parts before making any adjustments. 1. Check and adjust the wheel alignment with the vehicle under unladen conditions. “Unladen conditions” means that the fuel, coolant, and lubricants are all full, and that the spare tire, jack, hand tools and mats are in their designated positions, and there are no passengers in the vehicle. 2. Check the tires for incorrect air pressure and excessive wear. Refer to WT-40, “Tire“. 3. Check the wheels for runout and damage. Refer to WT-34, “Inspection“. 4. Check the wheel bearing axial end play. 5. Check the shock absorbers for any oil leaks or damage. 6. Check each mounting point of the suspension components for any excessive looseness or damage. 7. Check each link, arm, and the rear suspension member for any damage. 8. Check the vehicle height. Refer to FSU-24, “Wheelarch Height (Unladen* 1 )“. GENERAL INFORMATION AND RECOMMENDATIONS 1. A Four-Wheel Thrust Alignment should be performed. WEIA0102E 1. Rear lower link adjusting bolt, LH 2. Front lower link adjusting bolt, LH 3. Front lower link adjusting bolt, RH 4. Rear lower link adjusting bolt, RH Axial end play : 0 mm (0 in)RSU-6REAR SUSPENSION ASSEMBLY  This type of alignment is recommended for any NISSAN vehicle.  The four-wheel “thrust” process helps ensure that the vehicle is properly aligned and the steering wheel is centered.  The alignment machine itself should be capable of accepting any NISSAN vehicle.  The alignment machine should be checked to ensure that it is level. 2. Make sure the alignment machine is properly calibrated.  Your alignment machine should be regularly calibrated in order to give correct information.  Check with the manufacturer of your specific alignment machine for their recommended Service/Cali- bration Schedule. THE ALIGNMENT PROCESS IMPORTANT: Use only the alignment specifications listed in this Service Manual. Refer to RSU-22, “Wheel Alignment“. 1. When displaying the alignment settings, many alignment machines use “indicators”: (Green/red, plus or minus, Go/No Go). Do NOT use these indicators.  The alignment specifications programmed into your alignment machine that operate these indicators may not be correct.  This may result in an ERROR. 2. Some newer alignment machines are equipped with an optional “Rolling Compensation” method to “com- pensate” the sensors (alignment targets or head units). Do NOT use this “Rolling Compensation” method.  Use the “Jacking Compensation” method. After installing the alignment targets or head units, raise the vehicle and rotate the wheels 1/2 turn both ways.  See Instructions in the alignment machine you are using for more information. CAMBER 1. Measure camber of both the right and left wheels with a suitable alignment gauge and adjust as necessary to specification. 2. If outside of the specified value, adjust the camber using the adjusting bolt in the front lower link. CAUTION: After adjusting the camber then check the toe-in. NOTE: Camber changes about 0° 5' with each graduation of the adjust- ing bolt. 3. Tighten the adjusting bolt nuts to specification. TOE-IN 1. Bounce the rear of the vehicle up and down two to three times to stabilize the vehicle height. Refer to FSU-24, “Wheelarch Height (Unladen* 1 )“. 2. Push the vehicle straight ahead about 5 m (16 ft). Camber : Refer to FSU-23, “Wheel Alignment (Un- laden*1)“. SRA096A LEIA0041EREAR SUSPENSION ASSEMBLY RSU-7C D F G H I J K L M A B RSU N O P 3. Put a mark on the base line of the tread (rear side) of both of the tires at the same height as the center of the hub. These will be the measuring points. 4. Measure the distance “A” (rear side) across from tire to tire. 5. Push the vehicle slowly ahead to rotate the wheels 180° degrees (a half turn). If the wheels are rotated more than 180° degrees (a half turn), then repeat the above steps. Never push the vehicle backward. 6. Measure the distance “B” (front side) across from tire to tire. 7. If the toe-in is outside the specified value, adjust the toe-in using the adjusting bolt in the rear lower link. CAUTION: Be sure to adjust equally on the RH and LH sides using the adjusting bolt. NOTE: Toe changes about 1.5 mm (0.059 in) [one side] with each grad- uation of the adjusting bolt. 8. Tighten the adjusting bolt nuts to specification. SFA614B Total toe-in : Refer to FSU-23, “Wheel Alignment (Un- laden*1)“. SFA234AC LEIA0009ERSU-8SHOCK ABSORBER SHOCK ABSORBER Inspection INFOID:0000000001675569  Check for oil leakage on welded or gland packing portions.  Check the shock absorber for smooth operation through a full stroke, both compression and extension.REAR SUSPENSION ASSEMBLY RSU-9C D F G H I J K L M A B RSU N O P ON-VEHICLE REPAIR REAR SUSPENSION ASSEMBLY Component INFOID:0000000001675562 1. Seat belt latch anchor 2. Stabilizer bar bushing 3. Stabilizer bar clamp 4. Stabilizer bar 5. Connecting rod 6. Front lower link 7. Knuckle 8. Bushing 9. Rear lower link 10. Shock absorber 11. Suspension arm 12. Lower rubber seat 13. Coil spring 14. Upper rubber seat 15. Rear suspension member 16. Spare tire bracket 17. Bound bumper WEIA0130ERSU-10REAR SUSPENSION MEMBER REMOVAL AND INSTALLATION REAR SUSPENSION MEMBER Removal and Installation INFOID:0000000001675561 COMPONENTS REMOVAL 1. Remove both of the rear wheel and tire assemblies using power tool. 2. Remove the spare tire. 1. Seat belt latch anchor 2. Stabilizer bar bushing 3. Stabilizer bar clamp 4. Stabilizer bar 5. Connecting rod 6. Front lower link 7. Knuckle 8. Bushing 9. Rear lower link 10. Shock absorber 11. Suspension arm 12. Lower rubber seat 13. Coil spring 14. Upper rubber seat 15. Rear suspension member 16. Spare tire bracket 17. Bound bumper WEIA0130EREAR SUSPENSION MEMBER RSU-11C D F G H I J K L M A B RSU N O P 3. Remove the brake caliper without disconnecting the brake hoses, using power tool. Reposition the brake caliper out of the way using a suitable wire. Refer to BR-29, “Removal and Installation of Brake Caliper and Disc Rotor“. CAUTION:  Do not crimp or stretch the brake hose when repositioning the brake caliper out of the way.  Do not press the brake pedal while the brake caliper is positioned out of the way. 4. Remove the two rear brake rotors. 5. Remove the two rear drive shafts. Refer to RAX-9, “Removal and Installation“. 6. Disconnect the parking brake cables brackets from the rear suspension member. 7. Disconnect the two rear wheel sensor connectors and harness clips. 8. Remove the rear final drive vent tube from the rear suspension member and frame. 9. Remove the rear final drive. Refer to DLN-410, “Removal and Installation“ (R200), DLN-447, “Removal and Installation“ (R230). 10. Set a suitable jack to support each of the rear lower links and the coil spring tension. 11. Remove both of the rear lower link outer bolts using power tool, and lower the jack to remove the rear coil springs, and the upper and lower rubber seats. 12. Remove the two bolts to disconnect the seat belt latch anchor from the rear suspension member using power tool. 13. Disconnect both of the connecting rods from the rear stabilizer bar. LEIA0077E LEIA0109E LEIA0111ERSU-12REAR SUSPENSION MEMBER 14. Set a suitable jack under each front lower link for support and remove the shock absorber upper end bolts and lower end bolts using power tool. 15. Remove both of the shock absorbers. 16. Set a suitable jack under the rear suspension member. 17. Remove the six rear suspension member bolts using power tool. 18. Slowly lower the jack supporting the rear suspension member to access the fuel filler tube bracket, then remove the two bolts to disconnect the fuel filler tube bracket from the rear suspension member. 19. Slowly lower the jack to remove the rear suspension member, suspension arm, front and rear lower links, knuckles, and stabilizer bar as an ass
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