You overfilled it. You only need a few pumps of grease in there, unlike a ujoint where you pump it until it comes out. As the shaft compresses, so does the grease so it has to go somewhere.

FYI, it's a grease "zerk" not "zert" <img src="/forums/images/graemlins/kewl.gif" alt="" />


88 4R, 350 V8, R150 5 speed Sold <...uot; />
97 4R, stock, daily driver
98 Sienna, kid and dog hauler, wife's ride