RepairPal Certified shops can diagnose and repair your 2003 Chevrolet Trailblazer. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
There is a *schrader valve* behind the switch so no need to discharge system... It may expel just a 'spit' of freon as switch is removed/installed... no worries!
Thank you for the quick response. Installed the switch with no issues
✔ï¸