Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
SB-020842001B
Service Bulletin/Repair Instructions
GENERAL MOTORS VEHICLES AND TRUCKS: SUBJECT REGARDING, 2002 AND PRIOR PASSENGER CARS AND TRUCKS, CHEMICAL DAMAGE TO EXTERIOR POLYCARBONATE HEADLAMP LENSES. *SLC UPDATED *EH UPDATED 3/30/11. HEADLAMP LENS OVERHEATING WHEN COVERED AND CHEMICAL DAMAGE TO EXTERIOR POLYCARBONATE HEADLAMP LENSES. CAN CAUSE CRAZING OR CRACKING OF HEADLAMP LENS. *PE UPDATED 6/24/11. *PE UPDATED 5/14/12. INCLUDING 2013 MODEL YEAR. *PE
98T47A
Service Bulletin/Repair Instructions
SUBJECT REGARDING SUNROOF SUNSHADE FABRIC SEPARATES FROM SUNROOF SUNSHADE AT FRONT AND REAR EDGES. *YC
98T46
Service Bulletin/Repair Instructions
SUBJECT REGARDING HEADLAMP ASSEMBLIES MAY RATTLE AND / OR VIBRATE. *TT
98T47
Service Bulletin/Repair Instructions
SUBJECT ON SUNSHADE FABRIC MATERIAL SEPARATES FROM SUNSHADE AT FRONT AND REAR EDGES. *YC
97T09B
Service Bulletin/Repair Instructions
LOOSE REAR WINDOW LOWER FRAME SUPPORTS MOVE AGAINST REAR WINDOW , CAUSING CREAK NOISE.
98T04A
Service Bulletin/Repair Instructions
REAR LICENSE PLATE RATTLES WHEN CLOSING REAR COMPARTMENT LID. YD