Audi A4 B7: How to Replace Wheel Bearings
Feb 16, · Wheel bearing replacement. How to replace a rear wheel bearing in your car DIY with Scotty Kilmer. How to replace bad rear wheel bearing on the hub assembly. Top Warning Signs Your Wheel Bearings Need Replacement 1. Humming Noise. The most easily identifiable and most common symptom of bad wheel bearings .
Home » Estimator. These are the average estimated replacement cost by car model. The wheel bearing replacement cost price can also differ depending on your engine type and year model. The wheel bearing helps your wheel turn efficiently without causing any friction.
There are different wheel bearings, including ball bearings and roller bearings, depending on your car model. A bad wheel bearing will also create a lot of heat while driving, which can cause other parts to take damage from it. There is no specified how to join australian army for when wheel bearings should be replaced. Wheel bearings should be replaced when you start hearing bad sounds from them. The most common symptoms of a bad wheel bearing are grinding or grating noises, uneven tire wear, play in the wheel, and stability problems.
Learn more about the symptoms here: Symptoms of a bad wheel bearing. I have been working with cars for 10 years, specialized in diagnostics and troubleshooting. I created this blog because I was tired of finding false information on the web while looking for repair information.
I hope you enjoy my content! The replacement of the wheel bearing replacement differs between the front or rear axle. If your car model does not have separate wheel bearings, you may wheel bearing replacement how to to replace the whole wheel hub, and ABS sensorwhich increases the part costs a lot. All Models? Some wheel bearing replacements needs a press tool. You do also need the right adapters to make sure you are not pressing on the bearings.
Replace all necessary bolts like bolts for control arms, driveshaft nut, and other bolts you remove on the way. Wheel bearings can be difficult to diagnose, so make sure you replace the right wheel bearing. Lift wheel bearing replacement how to car and turn the wheel to listen for any strange noises around it. Do not forget to lubricate all parts before installing everything together again. You will thank yourself the next time you replace something in the suspension the next time.
What is a Wheel Bearing? How serious is a Wheel Bearing failure? How often do Wheel Bearings need replacement? How do you know if you have a bad wheel bearing? You Might Love These Too:. Search This Site.
Uneven Tire Wear
Apr 07, · Installing New Bearings in the Hubs 1. Wipe off all the old lubricant from the spindle shaft and hub with a rag. Use a spare rag to wipe off as much grease 2. Clean the spindle shaft and hub assembly with kerosene or solvent. Soak a clean rag in kerosene or grease solvent and 3. Views: 10K. Sep 15, · To know when it’s time for your wheel bearings to get looked at by an automotive professional, here are five tell-tale signs that your wheel bearings need replacement. Odd Noises Any mechanical part that rotates, rolls and rubs as much as wheel bearings do are packed with heavy multi purpose grease to lubricate them, reduce friction, and. The cost for a wheel bearing replacement may vary, but the symptoms are universal for mostly all vehicles. As such, your car will alert you of a faulty front wheel bearing in a number of different ways. Let’s look at the signs: Excessive vibration at the time of driving;.
Last Updated: April 7, References. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. This article has been viewed 10, times. Learn more If you notice your bearings start making noises, then it might be time to replace them.
Soon enough, your trailer will be rolling along behind you smoothly again! Tip : You could also use a hollow cinder block or anything else you have handy that can support the hub assembly with a gap underneath the inner bearing. Warning : Be careful not to hit the seal on the back of the hub when you slide it onto the spindle or you might damage it. Log in Social login does not work in incognito and private browsers.
Loosen the nuts on all wheels with a lug wrench while the trailer is on the ground. Jack the trailer up just enough to lift the wheels off the ground.
Finish unscrewing the nuts on 1 wheel with the lug wrench, remove them, and slide the wheel off the hub. Make sure to do this on a hard, flat surface. You do not need to go under the trailer for any part of this process. Pry off the dust cap with a flathead screwdriver. The dust cap is a metal cap that sits in the middle of the hub. Slide the tip of the screwdriver under the lip of the dust cap, tapping it in with a hammer if you need to. Use the screwdriver as a lever to pry up the dust cap using.
Work your way around the perimeter of the cap until it is loose enough to pull off. It covers the nut that holds the hub assembly to the spindle shaft of the trailer. You need to remove it so you can take the hub off the spindle and access the bearings.
Bend the cotter pin straight and pull it out. A cotter pin is a metal fastener that has 2 tines which are bent after installing it to fix it in place. It goes through the side of the nut in the middle of the hub and through a hole in the end of the spindle shaft. Use pliers to straighten out the cotter pin, then pull it out once it is straight. You need to pull it out so you can loosen the adjusting nut to remove the hub assembly. Unscrew the adjusting nut and remove the washers.
The adjusting nut is the nut in the middle of the hub right under the dust cap that you removed. Use an adjustable wrench to remove the adjusting nut and set it aside. Pull off the washer underneath the nut and set it aside as well. If you see this, you can pry it up using your flathead screwdriver to free the nut so you can loosen it.
Pull the hub assembly off the spindle shaft and place it on a flat surface. The hub assembly is the round metal part right behind the wheel that holds the wheel to the spindle shaft, which is the shaft under the trailer that spins the wheels. Pull the whole hub assembly carefully towards you until it slides completely off the spindle shaft, then set it face-up on a flat work surface.
You can also try using a mallet to gently tap the back of the hub assembly in a few different spots to knock it loose. Lift the outer bearing out of the hub. The outer bearing is the bearing in the middle of the hub that faces outwards towards the wheels, right underneath the adjusting nut and washer that you removed. Slip your fingers in the middle of the outer bearing, lift it up and out, then set it aside. When you pull the bearing out, it will be the whole piece consisting of these 2 rings with little metal balls inside them.
Set the hub on a pair of 2x4s. Put 2 2x4s on your flat work surface so there is a gap between them larger than the diameter of the bearings. Place the hub assembly face-up on the 2x4s so the inner bearing, which is the bearing facing towards the underside of the trailer, away from the wheels, is aligned with the gap between them.
This will allow you to knock it out. Use a hammer and punch to tap out the inner bearing. Place the tip of a punch inside the hub against the inner bearing. Tap the back end of the punch with a hammer to knock out the inner bearing and seal.
Work your way around the bearing until it falls out underneath the hub. Repeat the process for all the remaining wheels. Take off all the other wheels, 1 at a time, by loosening the lug nuts with your lug wrench, and set them aside. Repeat the process for removing each hub assembly and all of the bearings. Part 2 of Wipe off all the old lubricant from the spindle shaft and hub with a rag.
Use a spare rag to wipe off as much grease as you can from the outside of the spindle shaft. Do the same for the inside of the hub assembly. Clean the spindle shaft and hub assembly with kerosene or solvent. Soak a clean rag in kerosene or grease solvent and wipe the spindle clean. Place the hub in a container and fill it with kerosene or solvent. Let it soak for a few minutes, then use a rag to wipe off the rest of the grease from inside the hub.
If not, wipe them dry with a clean rag and let them completely air dry before applying new grease. Kerosene can cause skin irritation after prolonged contact with skin, so wear a pair of rubber gloves while cleaning to avoid this. You will also need to dispose of dirty kerosene at a hazardous waste collection site. Apply a light coating of grease to the spindle shaft.
Stick 2 of your fingers in a bit of new wheel bearing grease and scoop up a small dab of it. Wipe it all over the clean spindle shaft to lightly lubricate it. Pack the new bearings with wheel bearing grease. Remove your new bearings from their packaging. Fill the palm of your non-dominant hand with grease. Pack grease under the balls of the bearings by smashing and scraping the large side of the bearings against the grease in your palm to force it inside until you see grease coming out the small side.
Fill the hub with wheel bearing grease. Scoop some grease up in your hand. Generously apply it to the entire inside of the hub where the bearings will sit. Place the inner bearing in the hub and put the new seal on. Put the hub face-down on your work surface and insert the inner bearing small-end-first. Place the seal on top so the lip is facing the bearing and tap it in gently with a hammer until it is flush. It needs to face the bearing so it holds the grease in.
Insert the outer bearing. Flip the hub over so it is face-up on your work surface. Insert the outer bearing small-end-first. Part 3 of Slide the hub assembly back onto the spindle shaft. Push the hub all the way back onto the spindle shaft. If not, then set it down again and apply a little more grease to the shaft. Put the washer and adjusting nut back on.
Slide the washer back over the end of the spindle shaft so it covers the outer bearing.