Skip to content
The CV axle is the heart of the vehicle’s drive train, which transmits power from the transmission to the wheels, hence enabling your car to move on the highway. Made to run between 70,000 and 100,000 miles in normal conditions, the CV axle is sturdy, but certain factors may make it pop out of place when unexpected—particularly those related to insufficient maintenance.
Top Reasons CV Axles Keep Popping Out
There are many different reasons that your CV axle might be popping out of its place. These causes are not exactly mutually exclusive, but knowing them should be able to help you in diagnosis and the prevention of it in the future:
- Short Shafts: A short axle shaft can cause the CV axle to pop out if installed with poor alignment or excessive tightness.
- Hitting Low Stationary Objects (Curbs, Potholes, etc.): Impact with low obstacles can jar the suspension and drivetrain. It may add stress to the CV axle and even knock it out of its seated position.
- Old Age: Over time, continual wear will gradually weaken the CV axle. This makes it more likely to pop out when faced with stringent driving conditions.
- Collision Damage: Even minor accidents may knock the suspension or drivetrain out of alignment, which will then cause problems in the axle. Previous unreported accidents can sometimes result in subtle damages which later manifest as axle problems.
- Overloading: Carrying loads beyond the specified limit of a vehicle puts additional stress on the suspension and drivetrain, including the CV axles, thereby accelerating wear and chances of axle pop-out.
- Improper installation. Even if the components are sealed for life, you still need to monitor the CV boots for possible tears or leaks. Proper alignment and secure installation are especially important.
Maintenance Tips for CV Axles
Proper and timely maintenance is requisite for the long life and correct functioning of your CV axles. Some of the points one should bear in mind are:
- Greasing the CV Axle: Apply fresh grease on the CV joints when replacing. Through proper lubrication, it prevents wear and tear.
Image from dirtwheelsmag.com
- Inspecting CV Boots: Check the condition of the CV boots for wear, dryness or cracks at every oil change. Bellows cracked or in poor condition will allow dirt and moisture to attack the joint.
- Address Worn Bushings and Control Arms: Worn bushings or misaligned control arms can improperly align the suspension, stressing the axle enough to pop out. Regularly inspecting these components can help avoid related issues.
The Effect of Overloading
This can be very critical to the drivetrain components and if your vehicle is overloaded. The payload rating of your vehicle includes more than what most people consider—the cargo. It also includes passengers and any kind of added accessories. Exceeding this rating will cause suspension parts, such as the CV axles, to fail prematurely. Observe the load ratings recommended by the manufacturer to avoid stressing the components unnecessarily.
Can a CV Axle Pop Out While Driving?
The answer is yes. Popping out during driving is one of the commonest ways this problem materializes. In such a case, the vehicle will not move upon stepping on the accelerator since the connection between the transmission and wheels is cut.
Notably, this situation, although always scary in nature, will not normally result in the wheel getting detached from the vehicle. However, the vehicle should be safely pulled over and the issue addressed immediately to prevent further damage.
How to Reinsert a Popped-Out CV Axle
In case of a popped-out CV axle, in most instances, it is possible to reinsert it. Sometimes, the vehicle can be raised with a jack, and the axle slid into the transmission. Here’s how you can do it:
- Raise the Vehicle Safely: A jack is required to raise the vehicle, and it is equally important to support the vehicle safely using jack stands. Before getting under your vehicle, ensure that the vehicle is held securely.
- Align the CV Axle: Raise the end of the CV axle that has dislodged from its place. Carefully underline the slot in the transmission. The axle can be leveled with the aid of a jack.
- Reinstall the Axle: Align the axle, then slide it back in. Fully seat the snap ring to prevent the axle from popping out again.
Safety Note: Always securely lift and support the car before attempting this procedure. If you’re unsure or uncomfortable performing this task, it’s best to have a professional handle the repair.
Essential Tools for Reinstalling a CV Axle
Successful reinsertion of a popped-out CV axle calls for the proper tools. One of the safest ways to hold up your vehicle while you are underneath making repairs is with a pair of BIG RED T43202 Torin Steel Jack Stands. Constructed from solid steel and of adjustable height, they will provide stability, which ultimately ensures your safety while working underneath your car. Having a quality set like this available will make things so much easier and more secure.
Just so you know, I earn a small commission if you purchase through this link, at no extra cost to you. I only recommend products I trust and use myself.
How Long Can I Drive on a Popping CV Joint?
You do not want to drive too much on a clicking or popping CV joint. The sound is an indication that it is wearing out. It can fail any time, although it is hard to determine precisely the moment it will. Fix it right away to prevent a complete breakdown and avoid damaging other parts, like tires, which wear unevenly due to a faulty axle.
Several Factors to Consider with a Pesky CV Axle
An intermittent popping-out of the CV axle may be indicative of other parts requiring attention. Normally, regular maintenance and replacement in pairs or part of the system for other components can help to avoid the recurrence of the same problem. Replacement of worn control arms, bushings, or associated hardware with it might facilitate smoother, more stable vehicle operation, allowing for less of a chance that the axle will pop once more.
Remember, a little preventive maintenance truly does go a long way. Maintain your vehicle’s CV axles and associated components to keep your rides rolling smoothly and prevent vehicle problems from derailing your day.
