2008 Buick Lucerne
Mileage
63,742
Service Date
5/5/2026
Services Performed
- CHECKED REFRIGERANT CHARGE, SYSTEM FULL ON ARRIVAL. SCANNED FOR DIAGNOSTIC TROUBLE CODES. NO CODES FOUND. VERIFIED HEAT WILL NOT WORK ON PASSENGER SIDE. THIS IS A SEPARATE, AND UNRELATED CONDITION THAT WAS ADDRESSED ON PREVIOUS REPAIR. OBSERVED DATA PARAMETER FOR TEMPERATURE MIX DOOR, AND ACTUAL/DESIRED FEEDBACK CORRESPONDS. GAINED ACCESS TO TEMPERATURE CONTROL DOOR TO OBSERVE HVAC BOX DOOR PHYSICAL CONDITION. ALL DOORS MOVE NORMALLY. SUSPECT HEATER CORE RESTRICTION. POOR FLOW WILL COMPROMISE PASSENGER SIDE HEAT. RECOMMEND BACK FLUSH HEATER CORE, AND SEE IF CONDITION IMPROVES. IF LITTLE TO NO IMPROVEMENT, RECOMMEND REPLACE HEATER CORE.
- BACK FLUSHED SYSTEM. A BLACK SUBSTANCE CAME OUT DURING FLUSH WITH HOSE WATER. FLUSHED SYSTEM BACK AND FORTH SEVERAL TIMES, AND RECONNECTED HOSES AND FILLED SYSTEM. HEATER FUNCTION IMPROVED SUBSTANTIALLY ON PASSENGER SIDE. STILL HOTTER ON DRIVER SIDE. IF CUSTOMER IS NOT SATISFIED, IT IS ADVISED TO EITHER CONTINUE FLUSHING SYSTEM WITH CHEMICAL CLEANER UNTIL IT IS SATISFACTORY, OR REPLACE HEATER CORE. MEASURED TEMP AFTER FLUSH IDLE DRIVER 128F PASSENGER 122F AFTER DRIVE DRIVER 145F PASSENGER 140F
PHILLIP S. gave our service a 5 star review on 5/6/2026
