 porsche 914 rear wheel bearing, Scary! |
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| Geezer914 |
 May 19 2016, 05:56 PM
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#1
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Geezer914  Group: Members Posts: 1,418 Joined: 18-March 09 From: Salem, NJ Member No.: 10,179 Region Association: North East States 
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There is a video on you tube "Porsche Boxster wheel bearings" where the mechanic is having trouble with Boxster front wheel bearings failing. He shows the old bearing with a chewed up race and overheated ball bearings. He opens a new FAG bearing and removes the grease seal. Takes the bearing apart and only half the bearing is packed with grease! The other side is dry! (IMG:style_emoticons/default/WTF.gif)
These are similar to the bearings we use in the rear trailing arms. So to go through all the work to replace the rear wheel bearings, only to have them fail because they forgot to pack them properly with grease. Scary! |
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| 914Sixer |
May 19 2016, 06:07 PM
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#2
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914 Guru Group: Members Posts: 8,882 Joined: 17-January 05 From: San Angelo Texas Member No.: 3,457 Region Association: Southwest Region
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You are correct that the 914 rear bearings are the SAME as the Boxster bearing. That may be part of the answer in the thread about sloppy rear wheel bearing. I know I will have to replace a new one I just installed.
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| MarkV |
May 19 2016, 06:19 PM
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#3
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Fear the Jack Stands Group: Members Posts: 1,493 Joined: 15-January 03 From: Sunny Tucson, AZ Member No.: 154 Region Association: None |
https://www.youtube.com/watch?v=-A5kf5pXl4w
I should take the one apart on my work bench and see if it has grease in it. (IMG:style_emoticons/default/stromberg.gif) |
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| stugray |
May 19 2016, 08:32 PM
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#4
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Advanced Member Group: Members Posts: 3,824 Joined: 17-September 09 From: Longmont, CO Member No.: 10,819 Region Association: None |
I have a brand new set at home on the shelf. I guess I'll be checking them...
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| barrym |
May 19 2016, 09:19 PM
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#5
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Member Group: Members Posts: 88 Joined: 12-October 14 From: Australia Member No.: 18,008 Region Association: None |
Is the dust seal replaceable once pulled off & bearing gets packed with Slippy stuff???
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| MarkV |
May 19 2016, 11:16 PM
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#6
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Fear the Jack Stands Group: Members Posts: 1,493 Joined: 15-January 03 From: Sunny Tucson, AZ Member No.: 154 Region Association: None |
I tried to take the new FAG bearing apart that I just pulled from my car. The seals come off easy enough if you a careful...easy to deform them. There is an outer red rubber seal and a smaller inner black seal. Mine has the same white opaque grease that is in the video clip in it. It has grease in both halves so lack of grease wasn't the problem. The bearing I have has a plastic bearing cage in it and doesn't come apart like the one in the video. All of the trailing arm bearings I have seen in the past have a metal bearing cage. You have to be careful with them or you can pull them apart in your hand.
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| Porsche930dude |
May 20 2016, 06:34 PM
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#7
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Member Group: Members Posts: 399 Joined: 25-November 11 From: Vestal NY Member No.: 13,819 Region Association: None |
Iv had this problem with new bearings on an audi a4. new rear wheel bearing only lasted a few years/ We checked out the new new one and wasnt hardly any in there. Now we check all new bearings and usually theyre pretty dry.
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| Geezer914 |
May 21 2016, 06:45 PM
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#8
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Geezer914 Group: Members Posts: 1,418 Joined: 18-March 09 From: Salem, NJ Member No.: 10,179 Region Association: North East States
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I just ordered 2 Timken bearings for the rear trailing arms from Rock Auto. $54.79 each + $5.99 shipping, USPS priority mail. They are not listed for a Porsche 914. You must look them up under a 2000 BMW 328i. Part number 513106. I emailed Timken on Friday to see what type of grease they use to pack their wheel bearings. (IMG:style_emoticons/default/popcorn[1].gif)
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