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How To Repack Wheel Bearings On A Trailer

How often should you repack trailer bearings?

How often should you repack your trailer bearings? The axle manufacturers recommend that you repack your trailer bearings once annually or every 12,000 km. If you are over-do for trailer wheel bearing maintenance, we would be happy to help you.

How much does it cost to repack trailer bearings?

Trailers tend to be cheaper to repack professionally (think $100-$200), but don’t underestimate the power of the upsells a mechanic might try to give you. If you’re serious about cash, you can likely save a few bucks by repacking your bearings yourself.

Do I need to repack trailer wheel bearings?

Many trailer manufacturers recommend this maintenance every year if your trailer gets normal use, or at least every 20,000 miles. Support the trailer with jack stands and then spin the wheel and listen to the trailer bearings. If the wheel spins freely and quietly, proceed with repacking the bearings.

How much grease do you put in a trailer wheel bearing?

It is equally important to retain the grease around the bearing. For traditional greases (NLGI Nos. 1 and 2), pump a ring of grease into the entire circumference of the wheel hub and coat the hub cap inner wall. The housing should only be half full of grease.

How do I know if my trailer bearings need grease?

Keep your hand on the wheel and spin it. If you feel any motion that is not smooth, hear any noises, or if the wheel does not spin freely, the wheel bearing is defective or needs lubrication.

Can you over grease trailer bearings?

There’s no such thing as too much grease for bearings! You would not pack grease in the hub otherwise and not in the drum since the brakes would not be able to grab with grease in the hub. Grease caps, dust caps, and bearing protectors have to be installed right to avoid losing them.

Can you over grease a bearing?

When it comes to regreasing bearings, more is not always the better option and actually can be a costly mistake. Too much grease volume (overgreasing) in a bearing cavity will cause the rotating bearing elements to begin churning the grease, pushing it out of the way, resulting in energy loss and rising temperatures.

Can you repack wheel bearings?

Repacking wheel bearings is cheap (less than $15) and you can do it yourself in a few hours. Pick up new grease seals, cotter pins and the wheel bearing grease at any trailer supply shop. Grease seals come in various sizes based on the inside dimension of your wheel bearings.

What kind of grease do you use for trailer bearings?

LMX Red Grease A heavy-duty, premium grease rated for just about every application, including marine trailer-wheel bearings. It resists water well and sticks in place, so it’s excellent in outdoor applications, but it isn’t specially formulated for wheel bearings.

Can you put too much grease in a Bearing Buddy?

Can Bearing Buddy Bearing Protectors Be Over-Filled with Too Much Grease It is possible to over-fill a hub that has a Bearing Buddy bearing protector such as #BB1781. The convenience of easy filling through the zerk fitting can often mean we can be tempted to keep adding more grease.

How often should you grease utility trailer wheel bearings?

Proper lubrication helps maintain functionality and reliability of your trailer’s axle(s). Bearings should be lubricated approximately every 12 months or 12,000 miles unless otherwise specified by the axle manufacturer.

How many miles do trailer bearings last?

It is hard to say a specific number when talking about boat trailer bearings. Some experts give them a life span of 85,000 to 100,000 miles. But the real answer is that it depends on many factors. Trailer bearings that are properly maintained can out-last the trailer itself.

Do I grease a tow ball?

You do not need to grease your trailer hitch ball. That is entirely up to you. However, greasing it is recommended. Greasing will help ensure that the trailer hitch ball keeps its structural integrity, and it will help prevent it from squeaking.

Are bearing buddies a good idea?

Bearing Buddies are a great way to keep grease in a trailer hub. I recommend them as long as you are aware that it’s very easy to put too much grease in a hub with these which will blow out the seal. They have no problem being used on longer road trips so the would work well for you.

How do you diagnose wheel bearings?

What are the symptoms of bad wheel bearings A humming, rumbling or growling noise that increases with acceleration or as the vehicle turns. A loud constant whining or grinding noise when the vehicle is in motion. Clunking noises when driving over uneven road surfaces.

How do you preload trailer wheel bearings?

To pre-load the bearings, install the spindle washer and spindle nut onto the spindle with the hub and bearings in place. Tighten the spindle nut finger tight (until snug) and then with channel-lock pliers or a crescent wrench, tighten the spindle nut another 1/4 turn or about 15 to 20 ft pounds of torque.