efseiler Posted August 29, 2012 Share Posted August 29, 2012 How do wheel bearings get greased? Are there those tiny nozzles you attach a grease gun to? My mechanic usually greases the wheel bearings when I bring it in and I was wondering how they do it... Thanks, Damien Link to comment Share on other sites More sharing options...
davebugs Posted August 29, 2012 Share Posted August 29, 2012 Folks here are good, but not mind readers. Year and model please. I'm guessing older car(since newer are sealed), and in that case you've posted in the wrong section. So please specify year and model and perhaps someone can help. Link to comment Share on other sites More sharing options...
1 Lucky Texan Posted August 29, 2012 Share Posted August 29, 2012 here's some videos; http://www.youtube.com/results?search_query=greasing+a+wheel+bearing+-bike&oq=greasing+a+wheel+bearing+-bike&gs_l=youtube.3...4320.7146.0.7698.6.6.0.0.0.0.103.586.5j1.6.0...0.0...1ac.h_g79zcDsrY Link to comment Share on other sites More sharing options...
Rooster2 Posted August 29, 2012 Share Posted August 29, 2012 I have always thought that you grease wheel bearings thoroughly upon installation when new, and that was it. Last time I installed a wheel bearing, it was already well greased from the factory. No need to regrease ever again. Link to comment Share on other sites More sharing options...
GeneralDisorder Posted August 29, 2012 Share Posted August 29, 2012 You don't. Subaru wheel bearings are sealed and are greased for life. There is no provision for adding or repacking. They typically last 200k+ so don't worry about it. If your mechanic is charging for this he's s crook. GD Link to comment Share on other sites More sharing options...
ivans imports Posted August 29, 2012 Share Posted August 29, 2012 i call bull the grease thats in the berrings is ceap china grease crap i live in salt and gravel hell that grease whould be done in 50000kms i always clan it out and put in a good industral heavy grease and lots let it leak out at least the dirt wont get in every car i get has buckets of dirt and salt in the suspention mabee if you live in a dry area but not round here I have done over 100 wheel berring thiss year and replaced the grease in evry one before install standard procedrue and they dont come back in that 100 45 were doing it over after a shop had just recently done the berrings the back ones from 91-01 are the worst because most shops do not support the rear berring when they press it and break the race Link to comment Share on other sites More sharing options...
efseiler Posted August 29, 2012 Author Share Posted August 29, 2012 oh ok...I checked the book and it says they are sealed bearings. It's a '98 OBW... I don't think my mechanic is trying to rip me off...I just think he wants to spare me the gory details.... Cheers! --Damien Link to comment Share on other sites More sharing options...
GeneralDisorder Posted August 30, 2012 Share Posted August 30, 2012 Personally I use the grease packed with the bearings and I have never had a single repeat failure. I am extremely attentive to cleanliness and I have quite a bit of training with regards to bearings. One thing that no one ever listens about is how *little* grease you should actually be using. 30% of the cavity should be filled. With the grease that's packed with the bearings that's about what you will have once it flows out to the seals. Seal surfaces are another area no one pays attention to. They need to be very clean with no signs of a lip groove. Few are in good enough shape to run 100k in a harsh environment once the first failure has already occurred. GD Link to comment Share on other sites More sharing options...
efseiler Posted August 30, 2012 Author Share Posted August 30, 2012 Personally I use the grease packed with the bearings and I have never had a single repeat failure. I am extremely attentive to cleanliness and I have quite a bit of training with regards to bearings. One thing that no one ever listens about is how *little* grease you should actually be using. 30% of the cavity should be filled. With the grease that's packed with the bearings that's about what you will have once it flows out to the seals. Seal surfaces are another area no one pays attention to. They need to be very clean with no signs of a lip groove. Few are in good enough shape to run 100k in a harsh environment once the first failure has already occurred. GD Well...now I know where the Welsh word 'slipuducuppadalip' comes from... Engineering thoughts like that are real headaches....but I guess we gotta think them anyway.... :-( --Damien Link to comment Share on other sites More sharing options...
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