TOOK SOME WORK BUT FIGURED IT OUT. YOU CAN'T JUST REMOVE THE OLD GASKET AND REINSERT THE NEW ONE, JUST LIKE THAT. IT DOES TAKE SOME TIME, AS YOU HAVE TO REMOVE OR LOSEN SOME HEX SCREWS AND THAT TAKES TIME TOO. I HAD A HARD TIME FINDING VIDEOS OR ANY INFO REGARDING THIS PROCESS, SO HAD TO FIGURE IT OUT MYSELF. THAT WORKED FINE, ONCE I DID. I LOSEN 5 OR 6 HEX AND PHILIPS SCREWS AT A TIME, AND INSERT THE GASKET A LITTLE AT A TIME. THEN ON TO THE LOOSENING THE NEXT SET AND SO ON, TILL I COMPLETED THE JOB.