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#1
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Front Wheel Bearing R&R
Also, the BMW TIS doesn't say much about removing the race from the hub, and there's mention of (some dealer shops) that the front hub is destroyed & needs to be replaced when replacing the bearing; is this normal, or is it just that the old bearing race ends up stuck on the hub and might damage it? Thanks for any tips or pointers or links you can offer!
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2001 X5 Sport 3.0/5-speed 1998 318ti/5-speed 1988 735i/5-speed 1984 528e/5-speed (soon to be M20B25-powered 525i!) |
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#2
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the wheel bearing is destroyed upon removal. the hub can be reused, however BMW states that the hub must be replaced. BMW sells all the tools necessary for this repair. The inner bearing race removal tool
83 30 0 493 416 current retail is $703.03+local sales tax. it is much affordable to use a pry bar, and an air chizel to walk the bearing race out of the hub. |
#3
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Thanks for the info. I'll probably pass on the $700 tool; yikes! This thread covers a similar bearing R&R on an e39; he used an angle grinder to cut a couple of slots in the old race so that a bearing splitter could be fitted on it, then used a gear puller to get the race off the hub.
I had similar problems getting the inner race off the spindle when I changed out the front bearing on my e32; wish I'd known about that trick two years ago! There are some good ideas in that thread for getting the job done with minimal hassle, but I know it's not going to be a walk in the park. I'm going to go ahead & order parts for this job, and just do all four bearings. The maintenance records don't show that it's been done before (in 155,000 miles), and if one is rumbling now, it's probably just a matter of time before the others start in. 2 33411095238 Rear Wheel Bearing 8 33406765432 Torx Screw 2 31226783913 Front Wheel Bearing 2 31206751740 Dust Protection Cover 4 33411133785 Collar Nut 4 34211161806 Inner Hex Bolt I'll do my best to photograph the ordeal & put together a thread on the job when I'm done.
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2001 X5 Sport 3.0/5-speed 1998 318ti/5-speed 1988 735i/5-speed 1984 528e/5-speed (soon to be M20B25-powered 525i!) |
#4
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what are the noises/symptoms of bad wheel bearings? anyone have a video?
I still need to get my car aligned and tires rebalanced, but once i get up to about 40 or so, I notice this humming noise that is like going over a metal bridge but quieter. It also varies with different speeds. I hope its not wheel bearings because this seems like a bitch of a job.
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2018 Ram 2500 6.7L Cummins 68RFE 19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed 2013 X5 35D (CEO's) - Born on 5/17/2013 - 82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards |
#5
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Sorry to say, but that sounds an awful lot like bearings to me. I could be wrong...
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2001 X5 Sport 3.0/5-speed 1998 318ti/5-speed 1988 735i/5-speed 1984 528e/5-speed (soon to be M20B25-powered 525i!) |
#6
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I did this job last January. Cut a groove in the bearing race and snap it with a drift. Not a big problem if you can handle a mechanics hammer. However I bought a press to get the assembly apart and back together. Maybe doable without a press but I would not want to try.
I never thought about change the hub carrier. It is very sturdy and I can't think of any good reason to swap unless damaged. Good luck.
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2003 4.4i black ext./black int./black headliner (kid's runabout) 2014 535d X-drive, M package, silver/black interior Sold but not forgotten: 2009 E70 35d, black ext./black int./black headliner (sold 2021) 2006 4.8iS Le Mans blue/cream int./black headliner, SOLD in 2012 sadly... Other hardware: 2015 Cayenne S (wife's new DD and definitely wroooommmmm) 2016 Tundra 1794 edition crew cab, luxo hauler 2005 Tundra crew cab, weekend hauler. Sold after 150k very happy miles. |
#7
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The TIS says the drive flange needs to be replaced. Can someone tell me the logic behind that???
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2014 BMW 328i Xdrive 2011 BMW 335i M-Sport 2008 BMW X5 4.8i Sport 2000 BMW 528i 5sp |
#8
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Quote:
On other cars -- e28 and e32 come to mind -- the hub, bearing & ABS tone ring are all integrated; the bearing goes out and you replace the whole works as one part. They're pretty spendy to replace.
__________________
2001 X5 Sport 3.0/5-speed 1998 318ti/5-speed 1988 735i/5-speed 1984 528e/5-speed (soon to be M20B25-powered 525i!) |
#9
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i'm pretty sure when driving above 40 last night and hearing the noise, i took a right handed turn and the noise went away temporarily, if it disappears while turning its most likely a wheel bearing right?
If so, here's a diagram: If I replace the bearing with the hub assembly and parts (5,6,7,8,9) would it be theoretically an easier job than removing the bearing from the old hub? Looks like new hub and other pieces are about 100 bucks per side, might be worth it to replace those if it means I can do the job at home. Not too much money to pay the indy right now.
__________________
2018 Ram 2500 6.7L Cummins 68RFE 19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed 2013 X5 35D (CEO's) - Born on 5/17/2013 - 82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards |
#10
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Getting the bearing race off of the hub flange isn't that big a deal; I've posted about this elsewhere, mentioning the fancy bearing splitter method I brought up above ^^^, and others say they usually just take a Dremel tool with a cutoff wheel to that inner bearing race. Cut most of the way through it, but not into the hub, then hit the crack with a chisel & hammer, and it splits the rest of the way open. Drive something in to wedge the crack open further, and it just falls off.
Once you've got the new bearing in place and the hub back in the bearing, I understand getting the axle back into the splines on the hub can be a chore, but you can make a tool for not a lot of money to help grab the threads on the axle and pull it back towards you; instructions are in that thread I linked to above. Or, I've made one of my own, and you can sure borrow it once I'm done with it, probably in the next couple of weeks.
__________________
2001 X5 Sport 3.0/5-speed 1998 318ti/5-speed 1988 735i/5-speed 1984 528e/5-speed (soon to be M20B25-powered 525i!) |
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