2000 Toyota Solara V6 3.0L

Dear Scotty,

I'm a big fan of your videos and have been subscribed to you longer than that guy from Washington trying to sell soapy water...hehehe

Question

I've got a few questions for you. That might make good video topics

Question 1

I'm curious what you think about Nickel Copper brake lines vs OEM recommended Stainless steel.

      -My SS (stainless steel) brake line on my daily driver busted from rust and squirts out full reservoir amounts of brake fluid when I apply the brakes. 

     -Google says the NC (nickel copper) alloy is better than SS in workability, corrosion resistance, and requires less torque to seal the flared ends properly.

     -How is this information to be properly digested.

            •Should galvanic corrosion be expected from using two no similar metals, especially if the hydroscopic brake fluid is picking up more and more electrons over time?

Which in such case NC brake line should only be installed if replacing the whole line.?

Question 2

My refrigerant sight glass bubbles indicating to me it needs refrigerant according to my Toyotas Setvice Manual.

However I noticed the service valve ports cap was missing and the ports dirty, real dirty.

I'm an HVAC apprentice and yet to come across this in the field, but if grime clogs the metering device while adding the refrigerant.

It will turn my DIY ac fix into a DIY project. My Solaras service manual makes accessing the evaporator coils as task to avoid.

I'm also curious if alot of people have gone ahead and just added refrigerant with the dirty Port, and without knowing better just made things worse for themself.

Thank you Scotty for your time an effort I'm all your video. My dad was auto mechanic save but passed away a few years ago, and I'm having the hardest time trust any mechanics atm, especially after a mechanic almost blew my engine up from not tightening my spark plugs all the way diagnosing the engine code. Over the phone he said that's impossible because he didn't touch he just hooked up his scan tool. Put his invoice said he moved the spark plugs to fully trouble shoot and from visual inspection it looked as if some liquid was poured sloppily around the spark plug leaving a residue....

So needless to say, I'm the only one who works on my car now and I make sure what I'm doing is by the book, when I can.