Very informative and most valuable to me as I have (guess what)?...The same leak from the same place (antenna crank handle)...I took it out and made an alum. plate (about 6" square) and siliconed it to outside of the alum. roof along with a 1/2" thick piece of plywood (as a spacer block) with the center 4" cut out to coil up that antenna cable inside & secured it to the alum roof panel with 8 stainless 1-3/4" metal screws...(see pics)...I did this in case I wanted to use it at a later date rather than just cut the cable off? ...Not a drop has come through since..
I also was curious as to where else it might get water in from so, I took the a/c inside cover off and noticed it was damp around the edges of the installation hole through the roof...I loosened the 4 long bolts,left them with just 4-5 threads still in the frame to help with re-alignment, went outside and pried the a/c unit upwards, (Took several ladder climbs to get it propped up), Wound up using 4- 2x4's x 3' stacked up on each other across the roof to hold/prop the unit high enough to get under it and cleaned off all the old seal... I then replaced it with an expandable gasket you cut to length... I bought at Home Depot...It comes on a roll and after you open the roll, it starts expanding...it is guaranteed to stop leaks as the amount you compress it increases..Great stuff as there is now no leak from the a/c unit either...I will now check the remaining vents for any leaks...
Now for the biggy...My question to you is, how do the cabinets come off?...
I'll be removing the ceiling sheets and see no screws or brackets holding them in place?...That idea of (sistering) the alum. bracing looks very professional and I had thought about it & as (you have found) the roof sag can't be resolved without the extra support these braces give...This will be my winter project so, maybe we can swap stories at the next Toyota M/home gathering?...Thanks for the great documentation and pics you provided...They will help me immensely along with the procedure for removing those cabinets...Cheers, thanks in advance...Barry...
