Hub Assemble Replacement
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Hub Assemble Replacement - 12/17/2006 10:40:36 PM
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Hanr3
Wheels & Tire Moderator
Posts: 3479
Joined: 5/11/2005
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I had to replace my hub assemble this weekend. Thought of you all and took a few pics. My wife thinks I am nuts for taking the pics, however I told her you guys would want to see them.
First stop, a quailty hub assemble. This unit is made by Timken. IMHO Timken makes the best bearings. This unit costs $182 at my local Autozone. They carry less costly units if your interested. This unit also has a new ABS sensor and a new ABS wire with harness.
Break the lug nuts loose, unless you have air tools.
Jack the truck up and place a jack stand under it.
To test the bearings, wobble the tire back and forth and up and down. rotate it too. If your reading this, no doubt someone has told you you need to replace the hub assemble. SO I will skip the rest of the diagnostics.
Jack stands in place?
Take the tire off.
You will have to take the brake caliper off. GM uses both torx bits and regular bolts to hold the caliper on, make sure you have the right tool for the job. Also take the brake caliper bracket off and disconnect the ABS sensor wireing. I had to turn my steering wheel to gain access to the top brake caliper bracket bolt.
Use a 36mm socket and take the cv axle nut off. I took my time here. I sprayed the threads with PB Blaster, unscrewed it some, sprayed and screwed it back on. Sprayed some more and unscrewed it some more. I would sparay on both sides of the nut to help clean all the rust off. You'll notice I still haven't removed the brakes yet.
Notice the washer behind the nut.
18mm wrench is what you need to remove the three bolts holding the hub asemble in place. I don't have a 18mm wrench so I used a socket with a wrench adapter. You could also use a 18mm wobble socket, however I dont have one of those either. Thought I did, but couldn't find it.
To gain extra leverage you can stack wrenches. Carefull, you can bust some knuckles if they slip. Notice the wire holding my brake caliper in the air. Never let your calipers hang by the brake hose. Also notice the ABS snesor wire laying on the ground. I had to remove three bolts to get it free, and there is a quick pin on the bottom of thw wiring harness that stubs into the frame to hold the connector in place behind the rubber splash shield.
Once the three bolts are out. Beat on the cv axle with a hammer to loosen it and drive it back some. PB Blaster sprayed on both sides helps break the rust bond between the hub and shaft. Now take a cold chisel and drive it between the hub assemble and the steering knuckle. It will pop the hub assemble out.
Hub assemble removed.
Mine has a rubber gasket around the hub assemble. I put it on the new unit, my thumb is on it in the pic. I fought with that thing and wish I would have left it off.
Installation is reverse of removeal. Dont forget the dust shield.
That pretty well covers it.
Post up thoise questions.
A couple of members made some recommendations.
Use anti-seize on the cv axle splines where it mates with the hub assemble.
Use anti-seize on the
< Message edited by Hanr3 -- 12/18/2006 10:32:50 PM >
_____________________________
"Some people spend an entire lifetime wondering if they made a difference.
The Marines don't have that problem."
-President Ronald Reagan
'87 S10-Blazer - SOLD
'93 S10-Blazer 4x4x4 - Sons DD, engine swap is done.
'00 S10-Blazer 4x4x4 - My
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RE: Hub Assemble Replacement - 12/17/2006 11:25:55 PM
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Hanr3
Wheels & Tire Moderator
Posts: 3479
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In case your wondering.
The truck has 130,000 miles on it. It still has all the original ball joints, you can see the top one in the pic. Notice the rivets instead of bolts holding it in place. Actually the truck has all the original everything except for that hub assemble and the tranny was rebuilt 10 months ago.
I bought the hub assemble last summer. I heard all the stories about how hte hub assembles fail early. So I bought one when I had some extra coin and they were on sale. 6 months later, the old hub assemble would still be on there, except I picked up a nasty wobble in my steering wheel couple of days after the snow storm. I figured all the driving around on the ice and pushing poeple around all day in the snow finally did a bearing in. NOPE. AFTER I replaced the hub assemble I was rolling my tire back so I could put it back on the truck. My hand felt a bump on the tire and I was like oh crap. I knew right then I could have saved myself 2 hours worth of work had I stuck to the basics first and checked my tires. I busted a belt in my tire. Fortunately the 30" BFG All-Terrains are on sale now at my local tire shop. I paid $125 each, plus all the extras. The good is I was planning on replaceing the fronts in 2-3 months anyway. The backs were replaced last spring.
One other thing. For those of you with keen eyes who noticed I was missing a nut on top of my anti-sway bar. Good job!!!!
I noticed it while I was greasing up my ball joints.
< Message edited by Hanr3 -- 12/17/2006 11:32:02 PM >
_____________________________
"Some people spend an entire lifetime wondering if they made a difference.
The Marines don't have that problem."
-President Ronald Reagan
'87 S10-Blazer - SOLD
'93 S10-Blazer 4x4x4 - Sons DD, engine swap is done.
'00 S10-Blazer 4x4x4 - My
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RE: Hub Assemble Replacement - 12/17/2006 11:57:48 PM
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20Blazer00
Posts: 862
Joined: 9/16/2005
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Probably could have coated the rubber gasket with grease and set it into the hole the axle was protruding from, it looks like there was a groove machined in the mounting surface for the gasket and it would not have mucked around falling off of the new hub....LoL (look into the photo wear the rubber gasket is laying on the axle)
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Mark
2000 Blazer LS 4dr 4.3L Auto
1999 Grand Am 3.4L 4dr SE2 - Traded
2000 Honda Odyssey 3.5L 5dr Mini-Van
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RE: Hub Assemble Replacement - 12/18/2006 12:01:36 AM
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Chevy Lover
General Tech Moderator
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From: Vancouver. B.C. Canada
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Hanr3, you should just start up a Blazer repair school!
Good post.
My only question is ( quote, "I fought with that thing and wish I would have left it off.") Are you talking about the "O" ring? I just use a little vaseline or silicone dielectric when I have to asseble stuff with rubber "O" rings
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Give a man a fish and he will eat for a day, teach a man to fish, and he will sit on a boat drinking beer for a life time
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RE: Hub Assemble Replacement - 12/18/2006 8:05:40 AM
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MNHawk
Posts: 451
Joined: 10/20/2006
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This post should be redone and place in the DIY section.
Nice write up on it, I would had put some anti-sez on the axle shaft when putting it back together. It holds so much moisture in there its very prone to rust and sometime lock in place. Also should add to disconnect the ABS line before attmepting to pull things appart. I have found so many that have snapped those wires due to they don't do that first. Also adding anti-sez to the Torque bolts that hold the bearing assembly in place (only 3 of them).
_____________________________
74 W200 4x4 360/727/NP205 D44/D60
1981 C-20 Suburban Full Size 4x4 350 4sp manual (newest toy)
91 Honda Accord (daily Driver)
1979 Ford LGT 125
2005 JD L130
95 Blazer 4 door 4x4 4.3 lt vin W(parked selling or parting out)
93 S10 Blazer 4dr 4.
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RE: Hub Assemble Replacement - 12/18/2006 10:02:39 AM
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swartlkk
Posts: 14472
Joined: 5/1/2005
From: Waterloo, NY
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This post will be placed in the DIY section, but what do you think needs to be redone?
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Kyle-
2004 Rainier
1970 Chevelle - Resto
1974 K5 Blazer - Resto
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RE: Hub Assemble Replacement - 12/18/2006 11:23:31 AM
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MNHawk
Posts: 451
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Just redone due to most in the How-To section don't have added replys under them.
That is all
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74 W200 4x4 360/727/NP205 D44/D60
1981 C-20 Suburban Full Size 4x4 350 4sp manual (newest toy)
91 Honda Accord (daily Driver)
1979 Ford LGT 125
2005 JD L130
95 Blazer 4 door 4x4 4.3 lt vin W(parked selling or parting out)
93 S10 Blazer 4dr 4.
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RE: Hub Assemble Replacement - 12/18/2006 11:28:49 AM
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swartlkk
Posts: 14472
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From: Waterloo, NY
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Oh ok. That's what I do when I put them in there. I like to leave them here in the general section so anything that is unclear or needs changing/updating can occur before I put them into the DIY section.
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Kyle-
2004 Rainier
1970 Chevelle - Resto
1974 K5 Blazer - Resto
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RE: Hub Assemble Replacement - 12/18/2006 12:24:37 PM
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MNHawk
Posts: 451
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That is great, but will help those looking for a quick read to find it in the How-to section, can just add a note to it saying active thread in General if have questions 
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74 W200 4x4 360/727/NP205 D44/D60
1981 C-20 Suburban Full Size 4x4 350 4sp manual (newest toy)
91 Honda Accord (daily Driver)
1979 Ford LGT 125
2005 JD L130
95 Blazer 4 door 4x4 4.3 lt vin W(parked selling or parting out)
93 S10 Blazer 4dr 4.
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RE: Hub Assemble Replacement - 12/18/2006 1:04:43 PM
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swartlkk
Posts: 14472
Joined: 5/1/2005
From: Waterloo, NY
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I already had that thought and was trying to implement a sub-section of the DIY section for comments/concerns about the DIY articles. This sub-section would be for article submissions as well as any changes to current articles. We just have to work out the details.
Great write-up Tim! Sorry for travelling offtopic a bit.. I'll get it cleaned up and placed in the DIY section when I get a chance.
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Kyle-
2004 Rainier
1970 Chevelle - Resto
1974 K5 Blazer - Resto
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RE: Hub Assemble Replacement - 12/18/2006 10:22:39 PM
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Hanr3
Wheels & Tire Moderator
Posts: 3479
Joined: 5/11/2005
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Blazer repair school. Thanks for the compliment.
The anti-sieze is a good idea, and I totally forgot about it. Anti-sieze where the cv axles splines slide into the hub assemble, and put anti-sieze on the hub assemble bolts (3), and the lug studs (5).
I also like the idea of greasing up the rubber o-ring.
One other thing is die-electric grease on the ABS sensor harness.
Excellent tips guys.
I don't see anything wrong with sticking the whole thread in DIY, or just the first one with a link to this thread for the tips recommended and any Q&A. Swart, I leave it in your hands. What ever you think is best. Let me know if I need to modify anything. Or copy and paste as you see fit.
I think my next one will be on how I flushed my coolant system. Did that on Sunday during half time. Or should I do it on replacing a headlight bulb? One of mine burnt out last night.
Edit: I went back and added the tips to the original post.
< Message edited by Hanr3 -- 12/18/2006 10:34:26 PM >
_____________________________
"Some people spend an entire lifetime wondering if they made a difference.
The Marines don't have that problem."
-President Ronald Reagan
'87 S10-Blazer - SOLD
'93 S10-Blazer 4x4x4 - Sons DD, engine swap is done.
'00 S10-Blazer 4x4x4 - My
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RE: Hub Assemble Replacement - 1/1/2007 12:30:13 PM
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sintrigue
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Can't tell you how helpful this was. Got the job done in under three hours and I'm not a mechanic in no way. I'm a computer programmer... don't know a thing in the world about vehicles. The post was great.
Thanks.
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RE: Hub Assemble Replacement - 1/1/2007 12:52:02 PM
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MNHawk
Posts: 451
Joined: 10/20/2006
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Good to see not only us GearHead Garage, Back Yard Mechanics and/or Service Techs can help out those who like to do their own work. Congrats to the Computer Tech that is venturing into yet another Self Help wrencher 
_____________________________
74 W200 4x4 360/727/NP205 D44/D60
1981 C-20 Suburban Full Size 4x4 350 4sp manual (newest toy)
91 Honda Accord (daily Driver)
1979 Ford LGT 125
2005 JD L130
95 Blazer 4 door 4x4 4.3 lt vin W(parked selling or parting out)
93 S10 Blazer 4dr 4.
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RE: Hub Assemble Replacement - 1/1/2007 12:59:33 PM
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swartlkk
Posts: 14472
Joined: 5/1/2005
From: Waterloo, NY
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That's what we're here for! Congrats on the successful repair! And I will get around to putting this into the DIY section at some point... Ah heck, I'll do it now...
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Kyle-
2004 Rainier
1970 Chevelle - Resto
1974 K5 Blazer - Resto
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RE: Hub Assemble Replacement - 1/1/2007 1:01:12 PM
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MNHawk
Posts: 451
Joined: 10/20/2006
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 quote:
ORIGINAL: swartlkk
That's what we're here for! Congrats on the successful repair! And I will get around to putting this into the DIY section at some point... Ah heck, I'll do it now...
 Wondered when you were going to do this
_____________________________
74 W200 4x4 360/727/NP205 D44/D60
1981 C-20 Suburban Full Size 4x4 350 4sp manual (newest toy)
91 Honda Accord (daily Driver)
1979 Ford LGT 125
2005 JD L130
95 Blazer 4 door 4x4 4.3 lt vin W(parked selling or parting out)
93 S10 Blazer 4dr 4.
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RE: Hub Assemble Replacement - 1/1/2007 1:06:15 PM
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swartlkk
Posts: 14472
Joined: 5/1/2005
From: Waterloo, NY
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I have been so busy lately it isn't even funny. I have had the whole week between Christmas and New Years off work, but I haven't stopped working on my house at any one point. To make matters worse, I have a ton of stuff to finish up before I go back to work tomorrow and I picked up some kind of stomach bug that started causing all sorts of issues Saturday and still lingers... Fun fun! LOL Oh well, I'll survive.
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Kyle-
2004 Rainier
1970 Chevelle - Resto
1974 K5 Blazer - Resto
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RE: Hub Assemble Replacement - 1/1/2007 1:10:38 PM
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MNHawk
Posts: 451
Joined: 10/20/2006
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Sorry to see that the Flu bug is catching up to you. I understand being over loaded. It's no fun.
DOH, dont remind me of house work. I have a load of Renovations still left to do on mine. And that does not include the Holliday clean up SHHEEESH I even have crap from the neighbors party all over my yard.
< Message edited by MNHawk -- 1/1/2007 1:11:15 PM >
_____________________________
74 W200 4x4 360/727/NP205 D44/D60
1981 C-20 Suburban Full Size 4x4 350 4sp manual (newest toy)
91 Honda Accord (daily Driver)
1979 Ford LGT 125
2005 JD L130
95 Blazer 4 door 4x4 4.3 lt vin W(parked selling or parting out)
93 S10 Blazer 4dr 4.
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RE: Hub Assemble Replacement - 1/1/2007 8:39:37 PM
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lemon blazer
Posts: 40
Joined: 12/31/2006
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Does anyone know of a good auto parts store in Ontario, Canada where they sell the hub replacement assembly like the model shown for this thread? I would like to go with that Timken unit but I'm unsure if there's an Autozone around. Near me is a Canadian Tire and Car Quest and I don't want to buy one from a dealership because I'm sure they are around 300-400 dollars. Any info appreciated on price and location.
< Message edited by lemon blazer -- 1/1/2007 8:40:16 PM >
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RE: Hub Assemble Replacement - 1/1/2007 8:50:44 PM
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mellon101
Posts: 32
Joined: 10/24/2006
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On the Auto Zone website, they say that Canadian customers can call 800-288-6966 to place an order.
It may be worth calling to see how bad the shipping cost would be.
I just replaced both of mine with new Timkens from auto zone, and they were a little different than the ones in this post. The 96 model has a different ABS design, so a new sensor is not included. I am guessing that is why they were cheaper... $134 each.
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1996 Blazer 4 door 4x4
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RE: Hub Assemble Replacement - 1/1/2007 10:23:34 PM
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Hanr3
Wheels & Tire Moderator
Posts: 3479
Joined: 5/11/2005
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Call CarQuest too. TIMKEN is the manufacture and they have more then one distriburtor. I got mine from a midwest chain called Blain's Farm & Fleet. Its a farmers type store. They sell clothes, shoes, toys, housewares, autoparts, farm supplies like fencing, live stock feed, live chicks, guns & ammo, fishing stuff, bikes, trailers, sheds, parts for tractors, car stereos, tires, welders, tools, etc.
_____________________________
"Some people spend an entire lifetime wondering if they made a difference.
The Marines don't have that problem."
-President Ronald Reagan
'87 S10-Blazer - SOLD
'93 S10-Blazer 4x4x4 - Sons DD, engine swap is done.
'00 S10-Blazer 4x4x4 - My
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