12-06-2016, 04:09 PM
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#1
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Registered User
Join Date: May 2010
Location: Austin, Texas
Posts: 183
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An unorthodox method of replacing a wheel bearing
Here is my question: Would it be cheaper and quicker to switch out the entire wheel carrier with a used one or just replace the wheel bearing on the original wheel carrier?
1. I’ve researched this via my Bentley Manual, my 101 Projects for Your Porsche Boxster book, this forum and the technical articles on the Pelican website.
2. It appears that I will have to take the wheel carrier off in order to punch out the old wheel bearing and to push in the new wheel bearing. So why not just replace the original wheel carrier with another one and do away with putting in a new wheel bearing.
I say this because my 1999 Boxster has over 290,000 miles and the front driver’s side wheel bearing is bad (I can hear it and feel it as I drive). My goal is to reach 300,000 miles without going broke.
MNC-I
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12-06-2016, 05:03 PM
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#2
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Registered User
Join Date: Sep 2008
Location: Florida
Posts: 2,492
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You can certainly swap carriers and it will be quicker as you will spend no time on the bearing R/R. Problem is $$. Used hubs are not cheap and will come with questionable bearings. New hubs are $$$.
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12-06-2016, 05:18 PM
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#3
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Registered User
Join Date: Dec 2012
Location: FL
Posts: 4,143
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OTC grappler arm plus harbor freight FWD bearing puller kit is probably the cheapest way without using a slide hammer. A slide hammer loaner tool plus a bearing puller loaner tool (if available) would be free. With both of these you (since you said front) would only need to remove the pinch bolt at the top of the front drop link and then slide the wheel carrier down a little, vs removing the tie rod end (can be easy) and the lca ball joint end (can be very hard, especially if it is the original one).
With a used hub, who knows what type of bearing you are getting?
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12-06-2016, 07:13 PM
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#4
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Registered User
Join Date: May 2013
Location: North Alabama
Posts: 2,079
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Harbor freight
I replaced both my rear bearings without breaking down the hub. I used the bearing puller and a large bearing separator.
https://www.youtube.com/watch?v=D4PK1jXhppE
Freeze your new bearings for a day before you install them
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12-07-2016, 02:25 AM
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#5
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98 Arctic silver 986
Join Date: Jul 2011
Location: Upstate, NY
Posts: 1,441
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I would talk to Woody about a new hub. I got one from him for a very reasonable price for another issue.
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12-07-2016, 05:15 AM
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#6
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Registered User
Join Date: Dec 2012
Location: FL
Posts: 4,143
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Quote:
Originally Posted by Pdwight
I replaced both my rear bearings without breaking down the hub. I used the bearing puller and a large bearing separator.
https://www.youtube.com/watch?v=D4PK1jXhppE
Freeze your new bearings for a day before you install them
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Using the lug bolts to pull the hub using a big bearing separator to back it up is a good idea too, and you can usually get that tool as a loaner from your local auto parts store.
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12-07-2016, 05:58 AM
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#7
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Project Addicted
Join Date: Aug 2015
Location: Eastern Shore, MD
Posts: 623
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Freeze bearings and the hub. Heat the housing with a propane torch/heat gun to raise the temp a bit and let it grow. Every little bit will help ease the install.
__________________
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Jon
1966 912, 1976 911
1986 944, 2000 Boxster
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12-07-2016, 06:53 AM
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#8
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Registered User
Join Date: Dec 2012
Location: FL
Posts: 4,143
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I used anti-seize on the inner part of the wheel carrier that receives the bearing and a little on inside of the wheel bearing before pressing the hub in. Although the fronts were very easy to press the hub, much easier than the backs for some reason.
One thing not discussed so far, when you pull the hub it often destroys the wheel bearing and leaves one half of the inner race on the hub. A loaner tool 3 jaw puller plus some sort of plate to fit on the hub for the nose of the puller to push against (you can get from a loner tool set as well, I got mine from a Honda kit for something but they also had a set of bearing race plates) can be used to pull the inner race off the hub after pulling the hub, assuming that the wheel bearing doesn't stay intact, which it sometimes does on the fronts.
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12-07-2016, 08:07 AM
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#9
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,277
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Quote:
Originally Posted by steved0x
I used anti-seize on the inner part of the wheel carrier that receives the bearing and a little on inside of the wheel bearing before pressing the hub in.
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Always an excellent idea; I might add that this is a good application for nickel based anti seize, which has very high temperature (> 2400F) and corrosion (salt, acids, etc.) resistance.
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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12-07-2016, 04:47 PM
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#10
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Registered User
Join Date: May 2013
Location: North Alabama
Posts: 2,079
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Quote:
Originally Posted by JFP in PA
Always an excellent idea; I might add that this is a good application for nickel based anti seize, which has very high temperature (> 2400F) and corrosion (salt, acids, etc.) resistance.
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Totally agree with Jeff. I simply left my rear bearings in the freezer, when I was ready to press them in I used antiseize and they went in slick as snott. Of course here in Alabama it was nearly 100 degrees for the press in.
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12-08-2016, 04:36 PM
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#11
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Registered User
Join Date: May 2010
Location: Austin, Texas
Posts: 183
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Thanks for all of your comments and recommendations.
I spoke to Woody and I am going to go ahead and just buy a new wheel bearing and have it installed.
Thanks again.
MNC-I
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12-08-2016, 05:54 PM
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#12
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Registered User
Join Date: Sep 2016
Location: TX
Posts: 55
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Not quite sure of what the purists will say but here's a bump hoping for a reply from the more experienced members/Porsche mechanics and DIY'ers.
Awesome miles btw!
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12-08-2016, 08:25 PM
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#13
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1999 base
Join Date: Dec 2011
Location: Coral Springs FL
Posts: 1,617
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Quote:
Originally Posted by mnc-i
Thanks for all of your comments and recommendations.
I spoke to Woody and I am going to go ahead and just buy a new wheel bearing and have it installed.
Thanks again.
MNC-I
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If you need the B-90 tool, just let me know.
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12-09-2016, 07:06 PM
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#14
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Registered User
Join Date: May 2013
Location: North Alabama
Posts: 2,079
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Meir you are a Prince among men
When you buy a bearing buy good stuff...Timken, FAG etc. For the cost difference you might as well install a premium product
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