Altima 2.5 SL L4-2.5L (QR25DE) (2002)
3. Insert drive shaft into transaxle. Be sure to properly align the serrations and then withdraw Tool.
4. Push drive shaft, then press-fit circular clip on the drive shaft into circular clip groove of side gear.
5. After its insertion, try to pull the flange out of the slide joint by hand. If it pulls out, the circular clip is not properly meshed with the side gear.
Wheel Side
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Install drive shaft into knuckle.
Tighten upper knuckle nut and wheel bearing lock nut.