Can you just replace the rubber boot on CV joint?

Yes, it is possible to replace just the rubber boot on a CV joint. This involves removing the old boot, cleaning the joint, and then installing a new boot. The process can be time-consuming and requires some mechanical skill, but it is generally less expensive than replacing the entire CV joint assembly.

Here is a general guide to replacing a CV joint boot:

1. Park your vehicle on a level surface and engage the parking brake.

2. Loosen the lug nuts on the wheel that is closest to the CV joint that you will be working on.

3. Jack up the vehicle until the tire is off the ground.

4. Remove the lug nuts and take off the wheel.

5. Locate the CV joint. It is the part of the axle that connects to the wheel hub.

6. Pry off the old CV boot using a pry bar or flat-head screwdriver. Be careful not to damage the CV joint.

7. Clean the CV joint thoroughly with brake cleaner.

8. Apply a thin coat of CV joint grease to the CV joint.

9. Install the new CV boot. Make sure that the boot is properly seated and that the clamps are tight.

10. Reinstall the wheel and lug nuts.

11. Lower the vehicle and remove the jack.

It is important to note that this is a general guide and the steps may vary depending on the specific vehicle that you are working on. If you are not comfortable performing this repair yourself, it is best to take your vehicle to a qualified mechanic.