Question. Am I missing the easy way to install a new rubber on the front vent. Pulling off the spring ends didn't release the flap enough to access the bolts at rear. which are quite rusted. Should I drive out the hinge pins? Contort myself under the dash between the heater to get at underside of bolts(prob welded fixed nuts!!. Anybody Know. Thanks very much. I have a 66 TR4A with IRS and surrey top, and OD. "Basil went 100 yds down the road last nite so progress is being made. It was me chickened out, not the car, better to be stuck in my driveway than out on rd. Geoff C