How can I get the front wheel hub off the axle? - JeepForum.com
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post #1 of 29 Old 10-10-2005, 11:28 AM Thread Starter
Tshark299
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How can I get the front wheel hub off the axle?

I'm replacing the U-joints in my front axle... got the passenger side done without any problems but now on the driver side I can't get the hub off the knuckle. I've been soaking it with WD-40 and banging around edge with a hammer and screwdriver for a while but still nothing. Even managed to break the screwdriver. Any tips or tricks for getting this off so I can pull the shaft out??


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post #2 of 29 Old 10-10-2005, 11:49 AM
TJ Rat
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I used a two jaw puller. You might want to try some PB Blaster or Kroil instead of WD40.

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post #3 of 29 Old 10-10-2005, 11:53 AM
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WD-40 is best for Water Displacement..every other use is secondary. PB Blaster is good stuff, as is liquid wrench.

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post #4 of 29 Old 10-10-2005, 01:20 PM
jeepfury
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What I did was pretend that I was a baseball player and beat the hub "carefully" with a small sledge until it came off. Make sure you hit around and not just one spot.

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post #5 of 29 Old 10-10-2005, 01:27 PM
Stu Olson
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mrBlaine gets the credit for this handy little trick! Hopefully I pass it on correctly....I've not tried it myself as I've never had to deal with that much rust.

Rotate the tire until the yoke ears on the outer stub shaft are parallel to the ground.

Obtain proper length grade 8 bolt and insert as shown in the below picture.



Turn the wheel, causing the yoke to press against the bolt head....this causes the unit bearing to push out a bit on that side of the knuckle.

Now turn the wheel back and bit and relocate the bolt on the other yoke ear and turn the steering wheel until it contacts the bolt.....pushing that side out a bit.




Alternate back and for, a bit at a time, until the unit bearing is free of the knuckle.

And yes, use penetrating oil like PB Blaster, not WD-40.

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post #6 of 29 Old 10-10-2005, 02:02 PM
DavidC
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What a cool idea!

Makes me want to replace my axle U-jonts...... again.

We in the rust belt salute you.

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post #7 of 29 Old 10-10-2005, 09:06 PM Thread Starter
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Alright I get it... no WD-40! ... It was all I had in the garage at the moment and I was hoping to bang this project out quick without going to the store before I drove back to school today. I was afraid of dystroying the hub though since I didn't have alot of time to run to the parts store so I ended up putting everything back together and saving the U-joint for another time so I could get on the road.

Some good ideas here though... that bolt trick looks especially interesting... I'll try that first next time I can tackle this again but for some reason I'm thinking my power steering pump is no match for this much rust haha... although the axle in those pics looks worse than the 18 year old one in my Jeep! We'll see what happens.

'87 YJ Laredo - 4.0L, AX-15, NP231, 4.10s: 3.5" BDS, 31" Muds

'95 XJ - Donated drive train to the YJ, Parted out the rest

'51 CJ-3A - Buick 225 V6: Painless Wiring Harness, Warn Overdrive & Hubs, 2" Lift, 31" Muds
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post #8 of 29 Old 10-10-2005, 10:12 PM
mrblaine
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Quote:
Originally Posted by DavidC
What a cool idea!

Makes me want to replace my axle U-jonts...... again.

We in the rust belt salute you.
You're welcome and if you notice, there was no penetrants of any variety used. Just leverage and a bit of ingenuity. Pops the unit bearings right out of the knuckle.

As Stu said, do a little on each side so as to push the bearing out of the knuckle as straight as possible.
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post #9 of 29 Old 10-10-2005, 10:14 PM
mrblaine
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Quote:
Originally Posted by Tshark299
Alright I get it... no WD-40! ... It was all I had in the garage at the moment and I was hoping to bang this project out quick without going to the store before I drove back to school today. I was afraid of dystroying the hub though since I didn't have alot of time to run to the parts store so I ended up putting everything back together and saving the U-joint for another time so I could get on the road.

Some good ideas here though... that bolt trick looks especially interesting... I'll try that first next time I can tackle this again but for some reason I'm thinking my power steering pump is no match for this much rust haha... although the axle in those pics looks worse than the 18 year old one in my Jeep! We'll see what happens.

It was done without the engine running. There is a phenomenal amount of leverage generated.
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post #10 of 29 Old 09-17-2010, 06:47 PM
johnboy68
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I know this is an old thread but it is timeless advice. I used this method this evening and had my hubs off and axles out in about 5 minutes!
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post #11 of 29 Old 09-17-2010, 06:59 PM
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Added to the FAQ. Thanks for bringing this back.


Search terms: unit bearing, hub bearing, wheel bearing, D30 unit bearing, dana 30 unit bearing, unit bearing removal, stuck unit bearing, seized unit bearing, remove unit bearing.
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post #12 of 29 Old 09-17-2010, 07:32 PM
Mousejockey
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I use that method to pop the hubs out fo the Dodge 3500's at work also (Unlike mrblain I use oil as I go along)
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post #13 of 29 Old 08-31-2011, 11:59 AM
holt03
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for easy removal screw the two out side bolts in to about 1/8 inch from tight and hit them with lead hammer alternatlly. make sure to use lead or brass hammer so as not to damage the bolt head
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post #14 of 29 Old 08-31-2011, 01:00 PM
mrblaine
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Quote:
Originally Posted by holt03 View Post
for easy removal screw the two out side bolts in to about 1/8 inch from tight and hit them with lead hammer alternatlly. make sure to use lead or brass hammer so as not to damage the bolt head
If you ever try the bolt trick, you'll throw your lead hammer in the trash.

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post #15 of 29 Old 08-31-2011, 01:13 PM
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This Worked great for me, I'm just glad I visited Stu's site before breaking out the BFH.

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bearing removal , hub bearing , knuckle , seized , unit bearing , wheel bearing

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