The 4Runner’s AC had a slow leak and wouldn’t blow cold air. Toby ignored it for a long time (lucky to own another car with working AC). But with instructor’s help, diagnostic equipment, and parts at cost, it was time to fix it. Hooked up to the a/c system tester, and filled with fresh florescent dye, Toby’s instructor Aaron found a tiny small leak near … Continue reading 4Runner AC DIY Repair