When do you need an axle seal replacement?

Let’s start with the first question. The axle seal replacement is not a part of regular maintenance, the seal only needs to be changed if it leaks. How do you know if an axle seal is leaking? Gear oil or transmission fluid drops on your driveway are some of the early signs.

What is the job of an axle seal?

The job of an axle seal is to keep the transmission fluid or differential oil from leaking out. In some all-wheel drive vehicles, one of the front CV axles is connected to the transfer case (unit). Front CV axle (driveshaft) seal.

How can you tell if your axle seal is leaking?

When a car is lifted on the hoist, an axle seal leak can be identified by oil splashed around the area of the seal. See the photo. The low transmission fluid level is another reason to suspect a leak. Is it safe to drive with a leaking axle seal? It depends on the severity of the leak.

How to replace a front axle shaft seal?

If you have ever owned a GM four wheel drive vehicle then there is a good chance you have had a front axle shaft seal leak. We replaced the RH output shaft seal on a Tahoe but it is the same for Silverado, Sierra,Suburban and Yukon. Part one shows details on the tear down and part two with guide you through the reassembly. Loading…

Is it difficult to replace an axle seal as a DIY project?

Is it difficult to replace an axle seal as a DIY project? In a typical front-wheel drive car, the hardest part is to remove the CV axle (driveshaft) to get to the seal. Without a hoist and proper tools it’s quite difficult, especially if the seal is leaking on the side of the longer driveshaft (the right side in most cars).

When do you need an axle seal replacement?