I'd let it dry for longer before trying...Update: I picked up the car from the dealer after work yesterday. The service manager said they had water tested it after sealing the cowl area and that it did not leak. He said the tech added another coat of body sealer to the seam and adjacent seams for good measure after water testing yesterday afternoon. He asked that I wait a day or two before water testing it myself to give the body sealer time to properly cure before getting it wet. So I have not taken the car through a car wash yet. I will probably take it through a wash this evening after work which will have given the second coat of sealer over 24 hours to cure. I asked the service manager if when they fixed the sunroof drain tube Monday, if the drain tube was completely disconnected inside the car or if it was pulled into the frame perhaps. He got this smile and said that it was completely pulled into the body and just loose under the dash which was why they thought that they had found and fixed “the” leak when they fixed that as it was so obvious and causing all the water which went down the sunroof drain to enter the car. His answer to my question confirmed my suspicions that Brown Honda in Charlottesville had caused the sunroof drain leak during their six day attempt to fix “the” leak. I also received a phone call from my Honda Corporate case manager yesterday giving me an update on what Billy Craft Honda was doing to repair the leak and making sure I was going to fax him the receipt from my car rental so that Honda can send me a reimbursement. He also asked how I was getting around and I explained my friend had followed me to the dealer and given me a ride home allowing me to use my second car. He apologized for the repeated attempts that have been needed to fix this problem and for all the inconvenience. An official “We’re Sorry” from Honda while it does not help me recover my wasted time and energy, does help restore some confidence and credibility to Honda.
We’ll see if this fix fixes the leak or not sometime this evening.