New guy here looking for help. Just removed rear slider (broken) & had to cut thru butyl with razor knife to remove. Got new window @ junkyard for 175$ & must be off a newer model. Bolts align but new one has no remnants of any butyl caulk & sleeker design -no clips like last one. Anyone know if I need to caulk or just install ? Plan is to install tomorrow AM with nothing & get the hose out & test..............Love my toyota -bought new & now at 185,000. Other than brakes/rotors (those early years were rough) tires & occasional O2 sensor - the only thing I've done is a new starter last year (they couldn't find a better place ?). Thanks, bob.