daverx1 Posted June 1, 2015 Report Share Posted June 1, 2015 Hi.. I have a 2006 s40 T5 6sp man front wheel drive. I believe it has a failed axle bearing (the one connected to the engine block). Can this bearing be replaced?? Or does the entire shaft assembly need to be changed? I can't find and replacement axles for the 6sp man....all are listed foe Auto only. OEM Volvo is available for $600!!.. Any input is appreciated.. Link to comment Share on other sites More sharing options...
Fran9690 Posted June 1, 2015 Report Share Posted June 1, 2015 In my experience, I have never seen the center support bearing on the axle shaft go bad. It's always the wheel bearing. Wheel bearing/hub assemblies are very common on P1's at my shop. Just did one on Friday. If you installed a brand new axle assembly and check the center support bearing with a stethoscope, it will make just as much noise as the old one. Usually it's just noise that's transferring through from other components to that bearing due to the design. I would check the wheel bearing with a stethoscope or a long screwdriver with it up in the air if you can do that. If it's bad enough, you won't need to use a stethoscope, you will just hear a howling noise when you put your ear up to the wheel. Hope this helps. Link to comment Share on other sites More sharing options...
daverx1 Posted June 2, 2015 Author Report Share Posted June 2, 2015 Thanks for the info.. I have done all 4 wheel bearings (front twice) in past 4 months. I pulled rt side axle today and bearing feels good, pulled seal and added grease anyhow. Also have 4 new tires and alignment. My problem is a resonant vibration (more of a noise) at about 50-55mph. I would have sworn it was a wheel bearing, but I feel I have ruled that out. I lost about 1/2 a cup of man trans oil when I pulled the axle, do you think that is ok? The fill on the 06 s40 with the M66 is a oh yeah! to get to, so I haven't refilled it yet. Link to comment Share on other sites More sharing options...
Fran9690 Posted June 2, 2015 Report Share Posted June 2, 2015 How good are your tires? If it's not a droning noised you're hearing, another common culprit is the tires get choppy and make a similar noise. I know you said they are 4 new tires, but I have had an issue where I had a noise similar to a wheel bearing because we used cheap tires. When we swapped out with Michelin's from a car we had on the lot, noise was gone. As far as the trans fluid you lost, these only take about 2 quarts for a drain and refill. While 1/2 a cup isn't bad, probably should top it off in the off chance that it wasn't full to begin with. What I do to get to the fill plug is unbolt the lower torque mount, and then I can pry the engine out of the way of the subframe to get a socket or wrench on the bolt and be able to fill it up. Link to comment Share on other sites More sharing options...
daverx1 Posted June 6, 2015 Author Report Share Posted June 6, 2015 Well I made a special socket to get the fill plug out and once the plug was removed oil came out.. Car was jacked up on left too... The gear box must have been over filled. Oh yeah, tires are brand new Cooper CS5's Link to comment Share on other sites More sharing options...
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