You can't cast for fish if your blind! However, I feel its less risky doing it my way versus their recommended way by jacking on frame rails. Powered by Invision Community. At the back of the hub the seal backing ring or retaining ring needs to be pried out with a small flat screwdriver. I had an unfortunate incident recently, got cut off at an intersection (3 lanes & the fool wanted the lane I was turning into) end result one bent axle stub after running up the centre island & missing the traffic light by millimetres. Found a trailer repairer who found a second hand axle for me & fitted it in a few hours, I was very grateful for the speedy repair, until I got 3 blocks from his workshop & one of the wheels flew off, side swiped a parked car & missed a female pedestrian by inches whilst it shot past her at shoulder height doing about 70 klms/hr.the colour drained from her face instantly & she had to sit down to recover, so did I! Position the jack so that its square & the base is flat on the ground. Dont wipe off the grease! Many of them I already owned. Disclaimer: Im not a certified RV technician or mechanic. I know that it will help a lot of Raiders. If the outer bearings are damaged, the inner bearings probably are, too. Organise yourself an area to lay all the bits out as they come off. Over the years Ive relied on the Keystone dealer where we bought our Cougar fifth wheel to perform the task. and sprayed off the brake surfaces. Not pretty. That's some very valuable info you've compiled Mik! Now, back off the brakes on the adjuster at the front of the trailer. Sclar is also the author of Buying a Car For Dummies.
","authors":[{"authorId":8944,"name":"Deanna Sclar","slug":"deanna-sclar","description":"Deanna Sclar is an acclaimed auto repair expert. Man I had nightmares over it for a few days. Mine were not so I didn't re-fit or replace them as the pad & calliper design retains the pads without the aid of a ridiculous pair of tiny springs. Take care if you need to "Encourage" something to move, dislodge or come apart with a hammer. IE, a nice clean edged (That is square corners not rounded ones) pin punch will knock that little feller out in no time. If it hits the ground you'll probably damage the wheel stud threads. Then put your bearing down on your clean rag.
\nYour inner wheel bearings lay in the center hole of the drum or disc. I was also able to find some part numbers on the parts themselves. Sclar lectures internationally on the ecological impact of vehicles and is active in promoting residential solar energy programs. The bolt actually tightens on the sleeve, not the calliper. Just crack them a little so the wheel doesn't spin when it off the ground & your reefing like mad to undo tight nuts. The wheel being placed under the trailer will help, but better to not allow the trailer to fall off the jack at all in the first place. Copyright 2022 Love Your RV! A small block of wood is even better. Brake discs and some of the components that make up the axle / tyre group are usually cast steel or iron. I will have a go at anything but it usually costs me more in the long run! Now you can see the inside bearing. Finesse is the key when using a hammer on bearings. {"appState":{"pageLoadApiCallsStatus":true},"articleState":{"article":{"headers":{"creationTime":"2016-03-27T14:30:58+00:00","modifiedTime":"2021-12-01T22:17:31+00:00","timestamp":"2022-06-22T19:36:58+00:00"},"data":{"breadcrumbs":[{"name":"Home, Auto, & Hobbies","_links":{"self":"https://dummies-api.dummies.com/v2/categories/33809"},"slug":"home-auto-hobbies","categoryId":33809},{"name":"Automotive","_links":{"self":"https://dummies-api.dummies.com/v2/categories/33813"},"slug":"automotive","categoryId":33813},{"name":"Car Repair & Maintenance","_links":{"self":"https://dummies-api.dummies.com/v2/categories/33814"},"slug":"car-repair-maintenance","categoryId":33814},{"name":"General Car Repair & Maintenance","_links":{"self":"https://dummies-api.dummies.com/v2/categories/33822"},"slug":"general-car-repair-maintenance","categoryId":33822}],"title":"How to Repack Your Wheel Bearings","strippedTitle":"how to repack your wheel bearings","slug":"how-to-repack-your-wheel-bearings","canonicalUrl":"","seo":{"metaDescription":"If you have disc brakes, repacking wheel bearings isnt a difficult job. Gloves are also a very good idea but I can't stress enough the importance of a good pair of clear safety glasses. First undo the lock nuts, holding the pully with one shifter or pliers undo them so you can turn the threaded bolt. nice work on the tutorial, For the sake of a few extra dollars i would suggest buying a set of jackstands to support the trailer whilst doing any work where part of your body is under it. Bearing Number (Depending on your trailer what size) the numbers identifying it should be on the inside edge of the thickest part of the internal section of the bearing, any decent bearing supplier will see you right, or an auto spares shop). All Rights Reserved. Make sure the ground is level, firm & can support the jack & the weight of the trailer. As a general rule the base of any jack will not be large enough to prevent the weight of the boat & trailer from pushing the jack into the ground in non firm conditions or worse, kicking it sideways & falling off altogether. Sclar lectures internationally on the ecological impact of vehicles and is active in promoting residential solar energy programs. So, you own a boat & want to do some maintenance yourself. Serious injuries can happen to if jacks fall or fail. See more Love Your RV! Find a hollow pipe or a large socket from a socket wrench set that has roughly the same diameter as the seal. It involves a little dexterity & some groaning to get under & undo the calliper top & bottom bolts. Just hold the grinder horizontal and grind down from the top. Don't risk it. To fit the new grease seal into place properly, slide it in evenly; otherwise, it will bend or break and youll lose your grease. 
It's easy! The calliper is off, the hub is off & you're ready to remove the old wheel bearings & brake pads. I decided to replace the bearings, races, and seals with quality Timken brand parts. A handy skill to have considering the cost and hassle of getting an RV servicecenter to do the work. Its just that you may not get the calipers back on right, which could cause your brakes to malfunction. Serious injuries can happen to if jacks fall or fail. Back the brake arm adjuster bolt off by first loosening the lock nut, then back the bolt off till its nice and loose (Should be able to move it freely back & forth. If youre not planning to repack the inner bearings, dont attempt to take them out of their seat in the drum. See Affiliate Disclosure. Be safe for goodness sakes. The risk is bending the axle, but I think its worth it for the increase in safety. As you can see in the above figures, the bearings are usually tapered roller bearings, not ball bearings. If your new parts don't include a new ring then with a little care, provided its in good condition to start with, the ring can be reused. This is the main reason I strongly urge you to spend a few quid & buy a good quality soft faced hammer if you intend to do this kind of thing even semi-regularly. Follow these steps to repack the wheel bearings for drum brakes: Skip this step if you have a floating drum.
It is a castellated lock nut held on with a split pin (Same as your prop nut) Remove the split pin & then undo the nut. We buy it in 2 litre containers! The adjusting nut should catch the inner bearing and its grease seal and free them from inside the hub. On larger industrial bearings we would sometimes run a weld around the inside of the sleeve. Then put your bearing down on your clean rag. Mine is a knock in type that needs to be gently tapped from side to side, it will work its way out as you alternately tap at 180 degree. She has appeared on hundreds of radio and TV shows, including NBC's Today show and the NBCNightly News. I plan to take the trailer out for short test drives and will be monitoring the axle temperatures via my EEZRV TPMS when underway and with an infra-red temp gun at stops. Mine has a plastic cap held on with tape. If you have drum brakes, go right ahead and repack the bearings yourself. Well there you have it, thats how I went about replacing the bearings and brakes on my Keystone Cougar fifth wheel trailer. ","thumb":{"src":null,"width":0,"height":0},"image":{"src":null,"width":0,"height":0},"content":"
To fit the new grease seal into place properly, slide it in evenly; otherwise, it will bend or break and youll lose your grease.
\nFind a hollow pipe or a large socket from a socket wrench set that has roughly the same diameter as the seal. Finally, with a seal puller, I removed the rear bearing seal and inner bearings. Thanks for the praise guys, hope it helps someone out. Unscrew the axle nut, remove D washer and pull the hub slightly forward to remove the outer bearing. repair related articles and videos, Amazon and the Amazon logo are trademarks of Amazon.com, Inc LoveYourRV.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. Sclar lectures internationally on the ecological impact of vehicles and is active in promoting residential solar energy programs. Some seals, like the grease cap seals can be several components to make one sealing assembly. Now you can remove the entire hub assembly from the shaft. ","thumb":{"src":null,"width":0,"height":0},"image":{"src":null,"width":0,"height":0},"content":"
Use the diagram in Step 3 to help you get everything back on correctly.
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