2000 OBW Rear Wheel Bearing Replacement Tip - Subaru Outback - Subaru Outback Forums

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Old 11-06-2011, 02:06 PM   #1 (permalink)
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Default 2000 OBW Rear Wheel Bearing Replacement Tip

Good afternoon, I just completed the replacement of a rear wheel bearing/hub on my 2000 Outback and I thought I would share a tip to make it easier. I followed the factory manual replacement method, but because of my inability to remove the transverse link to enable removal of the axle/cv joint, I modified it based upon the tools I have.

I removed the brake caliper, rotor and parking brake shoes/hardware.
I removed the 4 bolt that affix the hub to the backing plate/spindle (?).
I used a slide hammer to remove the outer hub flange (where the wheel studs are mounted).

Here's the tip, purchase 3 m12 x 80mm extra fine thread bolts an use them to affix your slide hammer puller to the hub base. Essentially, you bolt the plate to the mounting holes that are normally used to affix the hub base to the spindle, just from the opposite side.

I was able to remove the hub bearing base from the backing plate without removing the transverse link or the axle, saving the struggle with the long bolt and potential alignment issues.

I will add photos when I'm back in front of my computer, but I thought I would help others struggling with the standard methodology.
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Old 11-06-2011, 03:07 PM   #2 (permalink)
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Thanks for the tip! Hopefully I'll remember this when/if I have to do a wheel bearing job.
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Old 11-06-2011, 05:45 PM   #3 (permalink)
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Perhaps start a new "how to" thread, with the pics, in the DIY forum (?)
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Old 12-13-2011, 10:19 AM   #4 (permalink)
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Quote:
Originally Posted by Northern_aqs View Post
I removed the brake caliper, rotor and parking brake shoes/hardware.
I removed the 4 bolt that affix the hub to the backing plate/spindle (?).
I used a slide hammer to remove the outer hub flange (where the wheel studs are mounted).
I was able to remove the hub bearing base from the backing plate without removing the transverse link or the axle, saving the struggle with the long bolt and potential alignment issues.
Slide Hammers are great when used properly. I have used them to do many Front Hub assembly removals on many Cars and small trucks where the instruction is to Beat them out with a Hammer and chisel from the Back..
I am not familiar with the Front Hub assembly on my 2000 Subie, I do know the Bearing comes off the Hub.. I wonder If the Slide hammer will work there.
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Old 12-14-2011, 10:00 AM   #5 (permalink)
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2000-2004 Rear Bearings are bolted to the knuckle so the slide hammer would work to get the assembly out.



The front bearings on the 2000-2004 are pressed into the knuckle and the hub is pressed into the bearing



Some have used a slide hammer to remove the hub and part of the bearing from the knuckle:

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Old 12-14-2011, 10:06 AM   #6 (permalink)
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Exactly. So my question remains. Can I slide hammer off the Hub, take off Seal #5 (in your pic) and get grease into the roller Bearing in the Knuckle?
My son says that every once in a while, cold days, on a turn he hears a slide groan. I'm just thinking ahead at maybe a slightly dry Bearing. Not a totally wiped out one.
He will be home for a few days for Christmas. After doing a little troubleshooting myself I was thinking that if it was a bearing noise, this would work. Unlike totally sealed bearing that fail, this one looks like it can be Lubricated in this manner.
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Old 12-14-2011, 11:03 AM   #7 (permalink)
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Tony H...Unfortunately you can not add grease to the bearings very easily. When you remove the hub from the bearing it will pull the inner bearing race out with it. At that point you have to get the race off the hub with a puller, then the hub has to be pressed back into the bearing. To press it back in you need to remove the knuckle and then once everything is back together it will need to be aligned. If the hub is pressed into the bearing and is to tight or loose it will destroy the bearing in a short matter of miles.
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Old 12-14-2011, 11:10 AM   #8 (permalink)
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Quote:
Originally Posted by miker104 View Post
2000-2004 Rear Bearings are bolted to the knuckle so the slide hammer would work to get the assembly out.



The front bearings on the 2000-2004 are pressed into the knuckle and the hub is pressed into the bearing



Some have used a slide hammer to remove the hub and part of the bearing from the knuckle:


Oh, so if you have the do-jigger that presses the axle out of the hub, you can get the hub and bearing off, then press the hub out of the bearing with a press.

Much easier than the fronts.


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Old 12-14-2011, 11:13 AM   #9 (permalink)
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OK that explains it. I have no experience with this knuckle /bearing setup. I didn't realize that it was very likely to destroy the Bearing in the disassembly.
I've done plenty of front bearings where the center nut released the Hub. exposing Inner and outer bearings. And the One piece hub assemblies that are on may newer 4wd vehicles and like the rear hub on this car. thanks for lesson.
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Old 12-14-2011, 12:52 PM   #10 (permalink)
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When you remove the hub with the slide hammer you usually get the outer race of the bearing too:



Kinda pretty well demo's the bearing and it would need to be replaced

(the hub was placed back into the wheel to hold the bearing/hub to work on it)
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