Why is my front axle leaking grease?
A grease leak is probably the most common sign of a failing CV boot. Over time, the rubber CV boot can become dry or brittle, creating cracks or tears. When this happens the boot will leak grease onto the inside of the wheel.
Can oil leak from CV axle?
When the axle shaft seal fails, oil or transmission fluid can leak from the transmission or differential. If you notice these fluids are pooling under your car, especially after being parked, you should have your car serviced as soon as possible.
What happens if your axle is leaking?
An axle seal leaks more during highway driving, so the oil drops on the driveway may not always be present. As more fluid is leaked out, the transmission fluid level drops and the transmission will start slipping. If not caught in time, the transmission may even get permanently damaged.
How serious is a leaking axle?
If the leaking axle seal does not get fixed soon and the transmission is slipping, you could cause permanent damage to the transmission. The severity of the leak affects how safe it is to drive with a leaking axle seal. The most common cause of a leaking axle seal is it improper axle installation or removal.
How much does it cost to fix a front axle leak?
Fixing an axle seal can cost anywhere from $150 to several hundred dollars, depending on the make and model of your car. If you detect a leak it’s better to fix it sooner rather than later, as ruining your transmission is an expensive repair.
Can a leaking axle seal cause an oil leak?
Your driveway is one of the spaces you will notice the oil leak. If you start to notice oil drops on your driveway, it could be a sign of a leaking axle seal. Transmission slipping at highway speeds. While an oil spot on the driveway is a common sign, it does not always happen because the axle seal leaks more during highway driving.
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…
Can a cracked CV boot cause axle failure?
A torn or cracked CV boot will leak grease that ends up tossed around while the axle turns. A leaky boot will eventually lead to CV joint failure, as dirt and debris will get into the boot and damage the joint.
What is the purpose of an axle seal?
An axle seal is the part of the vehicle that connects the axle to the rear differential, or the transmission. The purpose of the axle seal is to keep transmission fluid from leaking.