Sorry to hear about that, what exactly broke on it? I just went to Advanced Auto and picked up some Permatex White Lithium Grease WL-9. Here's is what it looks like:
http://www.shop.com/op/~Permatex_White_Lithium_Grease_1_5_fl_oz_tube-prod-17016994-23919371?sourceid=298
http://www.shop.com/op/~Permatex_White_Lithium_Grease_1_5_fl_oz_tube-prod-17016994-23919371?sourceid=298