dont know what u are talking about but i reeplace my rear drive boots every 25k with split boots form volvo dealership i have had no problems jsut make sure sienceu have hole in htem already im assuming... u need to take some of that old grease of with your finger and apply some new shit.... its takes like 25 fopr both if there are easy access my volvo u have to take off a brush gaurd... but on fiero u have to jack it up take both wheels of to make it really easy then do it.... but go to mazda they might sell them... not sure volvo sells them form y car for 35 bucsk wiht clamps so i know cnat be to much for your car... good luck man