RepairPal Certified shops can diagnose and repair your 2003 Pontiac Aztek. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
did you bleed the system while filling theres a bleeder screw on the black steel tube close to water pump area ,,,start car crack bleeder open when flow is constant ,,no air bubbles your good, let run till totally warmed up