I'm tempted to buy a complete steering knuckle from a scrap yard and install that, but I would really like to understand the root of the failure to prevent it. No seal listed on any of my paper work, but I can't say for certain it wasn't installed. Mechanic error seems unlikely given it's been two completely different shops.Īny insight as to why these are repeatedly failing? I do remember something about a debate about if there should be a seal or not, but I'm not finding it now. Hearing the history, they changed the bearing and also the hub, but it's still failing again now, about 14 months later. The first two were by the same mechanic, but he refused my calls when it failed again, so I chose another shop. The second ( video) was a little different than the other three with a low pitched constant groan that didn't change when turning. The first failure ( Video), the third and this one had a rumble sound that goes away on RH turns and gets a bit louder on LH turns. Reassemble all the parts in reverse order.My daughter's 2003 Protege has had 3 LF wheel bearing replacements by 2 different mechanics since summer of 2019 and it appears to have failed again.įirst failure was June 2019, second was December 2019 and the last one was October 2020 (no posts here on that one).2001-2003 MAZDA PROTEGE Front Wheel Hub & Bearing & Seal Kit (Rear Disc) (PAIR) (Fits: 2002 Mazda Protege) C 86.02. Install new races and new wheel bearings. Suspension Component Replacement Kits Sway Bars, Links & Bushings Tie Rods & Steering Linkages Other Steering & Suspension Parts.Disassemble the hub assembly to gain access to the bearings.Unscrew the hub bolts and remove the old hub.Remove the dust cover, cotter pin, and castle nut.Use a socket and a ratchet to remove the brake caliper bolts and take out the caliper using a screwdriver.Unscrew the lug nuts and remove the wheel.Loosen the lug nuts and lift the wheel using a jack. ![]() Use wheel chocks to secure the other wheels whose bearings you aren’t changing. Here’s a general guideline on how to replace a wheel bearing: If you’re not sure, it’s better to have a professional perform the replacement for you. Replacing a wheel bearing is an intermediate job that requires specialized tools and car part knowledge. How To Perform A Wheel Bearing Replacement? In that case, replacing both the wheel bearings together makes sense. If one wheel bearing has reached the end of its life, chances are that the bearing on the other side would be nearing its end of service life as well. However, if the wheel bearing replacement cost is not a constraint, you should probably replace both. Yes, it’s usually safe to replace only the damaged wheel bearing. If you notice any wear signs, you should book a wheel bearing replacement soon. Water, dust, sand, etc., can also get to the bearings and contaminate the grease that keeps them lubricated. However, like any other car part, wheel bearings can wear out sooner if you frequently drive over potholes or drive too fast over speed bumps. There’s no standard maintenance schedule for wheel bearing replacement. Wheel bearings usually have a long life span of around 80,000 to 100,000 miles. When you hear a growling or grinding noise from your wheels, it could indicate that its wheel bearing is failing, usually due to a lack of lubrication. Wheel bearings are a vital part of your car’s steering, braking, and suspension systems, allowing you to turn your wheels smoothly with minimal friction. This casing is located between the drive axle and the brake discs (or drums. Wheel bearings are a set of steel balls or tapered bearings that roll around inside a metal casing called a race. Here are answers to some common wheel bearing questions: 1.
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