Yes, If the CV joint comes out of the hub there is a chance that control of the vehicle can be lost.
Jack and secure vehicle. Remove tie rod nut and separate of knuckle. Remove axle nut and strut bolts. Use pry bar to remove inner CV joint from trans. Pull CV axle from vehicle.
Yes you have two drive axles that use 2 CV joints, both have an inner CV joint and an Outer CV joint
To fix an overextended CV joint, first, assess the joint for any damage or wear. If the boot is torn or the joint is damaged, replace the CV joint, ensuring to use the correct type for your vehicle. Reinstall the joint, making sure it is properly seated and lubricated, then reattach the axle and secure all fasteners. Finally, check the suspension geometry and alignment to prevent future issues.
To replace the CV joint on a 1996 Nissan Primera, start by lifting the vehicle and removing the front wheel. Next, detach the axle nut and remove any components blocking access to the CV joint, such as the brake caliper and rotor. Use a pry bar to disconnect the CV joint from the transmission, and then replace the old joint with a new one, ensuring all components are reassembled securely. Finally, refill any lost transmission fluid and test drive the vehicle to ensure proper installation.
CV joint is a Constant Velocity Joint in all FWD cars and most 4WD cars. A cv joint makes your FWD car drive and turn without losing velocity.
Lift the vehicle using a jack. Inspect the CV boot for problems. Mark the axle. Separate the CV from the shaft. Remove the CV boot clamps. Use a mallet to knock the CV joint off the shaft. Remove the boot from the CV axle shaft.
Eventually the joint will separate and you will be unable to drive the vehicle. It could put you in a dangerous situation.
To replace the retainer clip for the CV joint, first, safely lift and secure the vehicle, then remove the wheel and brake assembly to access the CV joint. Carefully slide the old retainer clip off the joint using pliers, ensuring not to damage the boot or joint. Position the new retainer clip in place, making sure it fits snugly into the groove of the CV joint. Finally, reassemble the brake components and wheel, and lower the vehicle back to the ground.
CV (Constant-Velocity) joint
Harley Splicer is a joint on a driver shaft vehicle similar to a CV joint only the grease is locked inside the unit whereas a CV joint the grease is around the unit but covered with a rubber boot
Don't try to repair a worn out CV joint, replace it with a new or reconditioned one. The cost would depend on the vehicle which you failed to describe.