I'm going to go down this road shortly, had my heater core die, so in the process I had to pull the AC box out, wasn't any pressure on the system, has not held a charge in years. I pressured up the system with compressed air and soaked down all...
Son and I bled all the brakes and the special bleeder on the master. I'm pretty sure master is suspect at this point. Seems to pump up okay but if you hold it you can shove on down sometimes, especially with the engine running. On road testing...
I had noticed the brakes feeling weak on my 2005 Double Cab for a bit now. I only drive it occasionally, but its primary use is towing the camper with the fam. A few times now quick stops with the camper were alot longer than I felt they should...
The leaks near the powersteering pump are probably power steering fluid, that big union bolt thing used a crush washer of sorts, it may just be ready for a new one, or was taken loose and reattached with the old washers, sometimes they reseal...