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Join Date: Feb 2013
Posts: 155
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Rear Bearing hub question
Hi all, I have begun the dreaded rear wheel bearing replacement. And yes I have read all the recent threads but I am still confused. As the information is all over the place
Got the Axle nut off, Got the brake caliper off. Tried John Walkers pry bar method to get the hub off. Didn't happen. In one thread its says to remove the e brake, without saying how before trying to remove the hub. I am just confused as to how to proceed. I did assemble the hub bearing removal tool as outlined in another thread so I am close. anotherthread Here's the photos of where I am. Just wanted to ask before I did something stupid and costly. Really don't want to use a big f hammer to try to remove the hub Is it harbor freight time for a wheel puller? ![]() And also do i have to remove the e brake and how do I do this? Just asking from those who went before me. I will be doing both sides and will take pictures so all the info is in one place. Also will be replacing both rear cv axles if that info helps thanks |
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Just did this. I'd remove the axle and then get yourself a slide hammer kit. You'll attach the Harper to the hum and then go to town. I have a before/after pic I can try to dig up.
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Yes, pull the axle by removing the bolts on the CV that is attached to the trans-axle. Then remove the bearing with a slap hammer, puller or an large socket and bang it out.
Put the new bearing in the freezer to aid in install.
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So do I have to touch the e brake at all? This question wasn't answered. Also not quite there yet did any of you guys have to heat the axle to get the bearing in?. The bearing has been in the freezer, so I am going to do that.
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You can also put a heat source on the arm. Heating the arm and cooling the bear will allow you to get the bearing almost all the way in before it grabs. To get the old bearing out and push the new in I made a puller with parts from OSH and Home Depot. Others have made up any number of DIY pullers. If you go the puller route use 5/8" or larger threaded rod - the force that needs to be applied is pretty high for conventional threads - be sure to lube the threads. I used a 4" ABS coupling part to push against the back of the arm. That stuff is amazingly strong.
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Go to Pepboys or some other store that loans tools and borrow the axle puller/slide hammer sometimes they have it in two different boxes one is the slide hammer the other the piece that attaches to the lugs make sure you get both. A few slaps and it should come right off. Make sure to follow the the torque specs when putting the axle nut back on. If not torqued right you will be doing the wheel bearings again real soon Also pays to buy new crush sleeves
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89 930 Cab Black 11 Cayenne Last edited by Mike80911; 05-19-2017 at 05:18 PM.. |
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Quote:
![]() Installing rear wheel spacers Write-Up
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This guy took the whole arm out and then used the threaded rod method on the bench. He's restoring everything though.
https://www.youtube.com/watch?v=pEVC2-38LAk |
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I pressed the bearings on it took some pressure but it worked out very well.
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89 930 Cab Black 11 Cayenne |
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You can see how I did it...freezer works, and get the Arnn Work tool for insertion of the new bearing. You'll probably need a gear puller to get the race off the hub.
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Originally Posted by rekstein1 View Post
So do I have to touch the e brake at all? This question wasn't answered Not sure if you got your answer but, yes you do need to remove the e-brake assembly so that the sheet metal backing plate can removed that covers the bearing. Regarding getting the hub out - I bought a Harbor Freight slide hammer that broke (nearly broke my hand trying to yank the bearing out too, not enough mass). I was able to return it for a refund and then borrowed a better tool from our local Autozone, had the bearing out in about 5 smacks. There's a few other challenging tasks with this job, feel free to PM me with any questions, I replaced my bearings last summer and took some notes. Not fun but doable.
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After you pulled the hub you need to remove the whole e-brake assembly with backing plate before you cal pull the bearing. It is obvious once you removed the hub,
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Gustaf Porsche 911SC -81 Euro |
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There are 2 threaded holes between wheel studs; use these as jacking bolts to remove the hub. Make sure your ebrake is off.
They can be seen in the photos.
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If it flows, it goes. If its smooth, it moves. Any questions? 96 993 C2 (Current) 87 911 Factory Turbo-Look Cab (Sold) 85 911 Factory Turbo-Look Targa (Gone) |
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