check your ball joints asap

i lubed my ball joints at my last oil change they seemed a ok knowing they will need replacement well before the next oil change i had the tires cranked all the way to the left in the lot and looked and saw the ball of the ball joint sticking out my 1st trip was tot he shop to replace em they may look okay and less then 3 k miles later break on you and heck i did not know they were broken til i saw it and i drive over lots of rail road crossings thankfully the wheels stayed on...so check yours