> What can be done to get these > bearing surfaces built back up to spec? There are several Loctite products designed for this purpose. I've had good luck with RC609, though not on a diff. RC603 might be a better choice, though, as it's supposedly stronger and tolerates contamination better. http://207.250.200.229:8080/1/doc?id=26269 http://tinyurl.com/n9276o Randall