SOME OWNERS MAY COMMENT THAT CARS EQUIPPED WITH THE AUTOMATIC LEVEL CONTROL SYSTEM (RPO G67) AND ASSEMBLED PRIOR TO VIN BREAKPOINTS INDICATED BELOW, MAY HAVE AN INOPERATIVE SYSTEM DUE TO A PERFORATED AIR SUPPLY TUBE IN THE AREA OF THE LEFT UPPER CONTROL ARM.
BUICK - RR400324 CADILLAC - RR701257
EARLY PRODUCTION ROUTING OF THE AIR COMPRESSOR SUPPLY TUBE TO THE REAR SHOCK ABSORBERS MAY RESULT IN CHAFING/PERFORATION OF THE TUBE ASSEMBLY DUE TO CONTACT WITH AN EDGE OF THE LEFT UPPER CONTROL ARM.
SPLICE IN A NEW SECTION OF SUPPLY TUBE FROM AIR COMPRESSOR TO AREA ON FRAME RAIL JUST REARWARD OF LEFT FRONT WHEEL WELL OPENING FOLLOWING PROCEDURES AND ILLUSTRATIONS BELOW.
P/N DESCRIPTION QUANTITY --- ----------- --------
10005354 TUBE ASSEMBLY 1 10005238 UNION 1 3176207 FITTING 2 4553268 CLIP AS REQUIRED
1. RAISE VEHICLE. 2. REMOVE LEFT FRONT AIR DAM/WHEEL WELL FILLER PANEL LOCATED DIRECTLY BELOW AIR COMPRESSOR. 3. DISCONNECT AIR COMPRESSOR SUPPLY TUBE AT COMPRESSOR AND CUT AT LOCATION "C" REARWARD OF LEFT FRONT WHEEL WELL AS SHOWN IN ILLUSTRATION. 4. REMOVE TUBE AND LOCATING CLIPS FROM POINT WHERE TUBE WAS CUT INTENTIONALLY FORWARD TO THE COMPRESSOR AND DISCARD TUBE. 5. INSTALL NEW TUBE ASSEMBLY, P/N 10005354, FROM COMPRESSOR TO AREA REARWARD OF WHEEL WELL OPENING, ROUTING TUBE ASSEMBLY AS SHOWN IN ILLUSTRATION.
6. INSTALL CLIP(S), P/N 4553268, AND SECURE TUBE TO ABS MODULE BRACKET AS SHOWN IN ILLUSTRATION VIEW A. 7. POSITION NEW TUBE ADJACENT TO EXISTING TUBE LEADING FROM REAR OF VEHICLE AND CUT TO LENGTH. 8. CONNECT THE TUBES TOGETHER UTILIZING UNION, P/N 10005238, AND FITTING, P/N 3176207, AND SECURE TO BRAKE PIPE(S) WITH A TIE STRAP. 9. INSTALL AIR DAM/WHEEL WELL FILLER PANEL AND LOWER VEHICLE.
PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.
LABOR OPERATION: T3400 LABOR TIME: 0.5 HR.
FIGURES: 1
GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER". THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.
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