Cleaned up the thermostat housing as much as I could and used PermaShield Gasket Dressing/Flange Sealant by Permatex on the hoses.

I refilled the car with distilled water and Zerex G-05 Coolant (concentrate) and then reconnected the battery cable. As soon as I reconnected the neg battery cable I immediately noticed the Servo making its "dizzy" noise. I thought that was weird because it's been more than a year since I had heat and I was certain that my Aux water pump, Servo or AC amplifier had gone out.

I turned on the car and parked it on my inclined driveway to bleed the air out of the cooling system. I left the car on for approximately 7 minutes (with cap off the reservoir coolant tank) and checked on it every couple minutes. I then decided to press the push buttons on the ACC climate control panel and to my surprise, I immediately felt heat coming out of the vents. I couldn't believe it. HEAT!!

Not sure if flushing the coolant dislodged something that was stuck inside the servo.

Maybe someone here knows what might of happened.

While I was cleaning the thermostat housing and replacing hose clamps and I also ended up taking advantage of my car being stuck in my garage and decided to remove my rusty brake booster. I mention this because the only other thing that I messed with was all the cables and wires that are located behind the instrument cluster. Highly doubt that moving any of those wires would have triggered the Servo to all of a sudden start working.