NTB21-045
Service Bulletin Details
Public Details for: NTB21-045
2013-2018 altima and 2016-2018 maxima; rear suspension lower link if you confirm the customer experiences a knocking or rattling noise from the rear of the vehicle, or the rear wheel and tire assemblies have a large amount of positiv
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2018 NISSAN ALTIMA |
2018 NISSAN MAXIMA |
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Classification: Reference: RA21-002 Date: NTB21-045 May 25, 2021 2013-2018 ALTIMA AND 2016-2018 MAXIMA; REAR SUSPENSION LOWER LINK APPLIED VEHICLES: 2013-2018 Altima (L33) 2016-2018 Maxima (A36) IF YOU CONFIRM The customer experiences a knocking or rattling noise from the rear of the vehicle, Or The rear wheel and tire assemblies have a large amount of positive camber. ACTION Replace both rear lower links. IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair. Nissan Bulletins are intended for use by qualified technicians, not 'do-it-yourselfers'. Qualified technicians are properly trained individuals who have the equipment, tools, safety instruction, and know-how to do a job properly and safely. NOTE: If you believe that a described condition may apply to a particular vehicle, DO NOT assume that it does. See your Nissan dealer to determine if this applies to your vehicle. 1/14 REQUIRED SPECIAL TOOL Each dealer has been shipped one Coil Spring Compressor, special tool J-52929. Additional tools are available from Tech•Mate online: www.nissantechmate.com, or by phone: 1-800-662-2001. Support plates Support # 42913-BK2 plates Pin # 204444 Upper ball # 37731 Barrel nut # 37666 Thrust washer # 211206 Lower ball # 311835 Threaded rod # 49169 Figure 1 When using the spring compressor, wear proper eye protection. Dirt or debris may enter the eye, causing injury. Inspect the condition of the spring compressor before each use. Do not use the spring compressor if it is not in serviceable condition. Injury may occur when parts are bent, cracked, etc. Do not drop the spring compressor when it is holding a compressed spring. If dropped, the spring may separate from the spring compressor and launch toward your body, causing injury. 2/14 NTB21-045 SERVICE PROCEDURE HINT: Most of the SERVICE PROCEDURE will show a repair performed on the left rear side. The same repair will be repeated on the right rear side. 1. Place the vehicle on a lift and raise to a suitable height to remove both rear wheel and tire assemblies from the vehicle. 2. Mark the suspension alignment washer to the frame on all 4 rear lower link alignment bolts (see Figure 2). Marking Alignment bolts Marking Figure 2 3/14 NTB21-045 3. Install the upper ball in the cavity of a support plate of special tool J-52929, upper ball facing upward, and then place the support plate midway inside the coil spring. HINT: The upper ball can be identified by its cross drilled pin hole. Upper ball Support plate Figure 3 4. Install the other support plate, with the ball cavity facing down, as low as possible inside the coil spring. Support plate – cavity facing down Figure 4 4/14 NTB21-045 5. Assemble special tool J-52929 as shown in Figure 5. To keep the pieces together, thread the barrel nut onto the threaded rod. Barrel nut Pin hole Figure 5 6. Install the assembled pieces, pin hole end first, from the bottom of the coil spring through both support plates and the upper ball. Rod Figure 6 5/14 NTB21-045 7. Install the pin of special tool J-52929 through the upper ball and threaded rod up to its O-ring stopper. O-ring stopper Pin Upper ball Push the pin through the upper ball until it reaches the O-ring stopper. Figure 7 8. Align the upper ball into the upper support plate cavity so that the pin rests in the slots. Pin Slot Cavity Figure 8 6/14 NTB21-045 9. Rotate the threaded rod and upper support plate together, as an assembly, counterclockwise until the upper support plate contacts the upper rubber seat. Rotate plateuntil untilitit Turn plate contacts the rubber contacts rubber seat seat Figure 9 10. Slide the lower ball up the rod and into the lower support plate cavity, while aligning the lower ball’s notch into one of the lower support plate’s slots. Make sure the lower plate stays as low on the coil spring as possible. 11. Thread the barrel nut up the threaded rod until the thrust washer makes contact with the lower ball (see Figure 10). Lower ball Lower plate Thrust washer (barrel nut not shown) Figure 10 7/14 NTB21-045 12. Compress the coil spring until the lower ball bottoms out on the threaded rod. To compress the coil spring, use a wrench, deep socket, or other suitable tool to turn the barrel nut clockwise. Figure 11 13. Remove the 2 knuckle bolt nuts and the 2 alignment bolt nuts, but do NOT remove the related bolts at this time. NOTE: These nuts will not be reused and will be replaced with new ones. Knuckle bolt nuts Alignment bolt nuts Figure 12 8/14 NTB21-045 14. Remove the nut holding the rear stabilizer connecting rod to the rear lower link. Stabilizer connecting rod nut Figure 13 15. Remove the coil spring and special tool J-52929 as an assembly: a. Remove both inside rear lower link (alignment) bolts. HINT: Due to being marked earlier, these bolts need to go back to their original locations during reassembly. b. Swing the rear lower link downward. c. Remove the connecting rod assembly from the rear lower link. d. Remove the coil spring and special tool J-52929 as an assembly. Connecting rod assembly not shown Alignment bolt removed Figure 14 9/14 NTB21-045 16. Remove the 2 remaining knuckle bolts, and then remove the rear lower link from the vehicle. Knuckle bolts Figure 15 17. Remove the 2 bolts, and then remove the front lower link from the rear lower link. Rear lower link Front lower link Bolts fit through these holes Figure 16 10/14 NTB21-045 18. Install a new rear lower link in the reverse order of disassembly. Transfer the lower rubber seat from the old rear lower link to the new rear lower link. HINT: To make reassembly of the front and rear lower links easier, hand tighten the bolts, and then back off by 2 turns. This will allow for extra movement of these parts. Tighten all fasteners from step 18 through step 19 to the specified torque with the vehicle unladed and the weight of the vehicle on the ground. HINT: A drive-on lift will make it easier to tighten fasteners to correct torque. Front lower link-to-rear lower link bolt torque: 111 N•m (11 kg-m, 82 ft-lbs) Rear stabilizer connecting rod nut torque: 44 N•m (4.5 kg-m, 32 ft-lbs) Nut-to-alignment bolt torque: 146 N•m (15 kg-m, 108 ft-lb) HINT: Place the alignment bolts in their original locations, and then line up the marks when tightening to specified torque. Nut-to-knuckle bolt torque: 118 N•m (12 kg-m, 87 ft-lbs) When installing the coil spring (still compressed): a. Make sure the orientation of the coil spring is as shown in Figure 17: A single painted mark is above the two painted marks. Top end of coil spring One painted mark Two painted marks Figure 17 11/14 NTB21-045 b. Make sure the upper rubber seat is secured to the bracket, which is secured to the vehicle. Make sure the protrusion is aligned, facing into the vehicle. Bracket 1 of 3 tabs 1 of 3 tabs Upper rubber seat opening Upper rubber seat Protrusion Figure 18 c. Align the coil spring by placing its lower end as shown in Figure 19. Coil spring seat Lower end of coil spring Maximum gap: 5 mm (0.2 inches) Figure 19 12/14 NTB21-045 19. Perform steps 3-18 on the other rear lower link. 20. Reinstall both rear wheel and tire assemblies. Wheel lug nut torque: 113 N•m (12 kg-m, 83 ft-lbs) 21. Perform a 4-wheel alignment. 22. Reset the steering angle sensor (neutral position adjustment) with C-III plus. 13/14 NTB21-045 PARTS INFORMATION DESCRIPTION PART NUMBER QUANTITY Rear Suspension Lower Link - RH 551B0-3TA0D 1 Rear Suspension Lower Link - LH 551B1-3TA0D 1 Nut (Alignment) 54588-JA060 4 Bolt (Knuckle) 56280-JA00C 4 Nut (Knuckle) 40262-JA000 4 CLAIMS INFORMATION Submit a Primary Part (PP) type line claim using the following claims coding: DESCRIPTION Remove and Install Both Rear Lower Link Assemblies (1) PFP OP CODE SYM DIA FRT (1) NX29AA ZE 32 2.7 Reference the electronic parts catalog and use the Lower Suspension Link as the Primary Failed Part (PFP). NOTE: FRT includes alignment; no other alignment op code is required. DO NOT claim the alignment op code with this claim. AMENDMENT HISTORY PUBLISHED DATE REFERENCE May 25, 2021 NTB21-045 DESCRIPTION Original bulletin published 14/14 NTB21-045