How to Replace CV axle boots

Here’s how to repair or replace the constant velocity axle on your passenger car.

The constant velocity joint uses small tripods and needle bearings to transfer torque from the transmission’s differential to the front or rear wheel hub mounted to the knuckles. These joints are filled with grease which is encompassed in a neoprene boot. When these boots become compromised, contaminants may enter, such as moisture which would cause rust, or dirt which would cause excessive wear on the bearing surfaces. Additionally, grease leaking out would cause metal to metal contact which would in turn cause wear.

If you catch the boot leaking, chances are you can just replace the boot if no damage has internally occurred. In this video, the CV axle is rebuilt with new boots. The axle is removed from the vehicle, the boot clamps and boots removed. The tripod must be removed in order to slide off the old boots and slide on the new ones. This may require an air hammer or a pulley puller. A CV boot clamp crimping tool is required to reinstall the new clamps.

The boot kits used in this video are from Mevotech which you can find more details on here:

Inner boot kit:
https://www.mevotech.com/part//DX820

Outer boot kit:
https://www.mevotech.com/part//DX859

The 3-jaw puller can be purchased here:
US:
https://amzn.to/3Pzt3KS
Canada:
https://amzn.to/3ZmFCMY

For a more detailed look on how CV axles work take a look at this video:
   • How a CV Axle Works  

This is the Camera I use:
https://amzn.to/3oaRcZX (US)
https://amzn.to/3KWQ2uU (Canada)

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