For 1990-2009 cars

# SMU - SEC. 1B - REVISION TO ON-VEH. SERVICE FOR EXPANSION

#### SUBJECT: SERVICE MANUAL UPDATE - SECTION 1B - REVISION TO ON-VEHICLE SERVICE FOR EXPANSION (ORIFICE) TUBE

#### MODELS: 1992-94 BUICK PARK AVENUE AND LESABRE 1992-94 OLDSMOBILE NINETY EIGHT AND EIGHTY EIGHT 1992-94 PONTIAC BONNEVILLE

WHEN USING THE ON-VEHICLE SERVICE FOR THE EXPANSION TUBE, ("INSTALL OR CONNECT" PROCEDURE), THE SERVICE MANUAL STATES THAT THE EXPANSION TUBE SHOULD BE INSTALLED WITH THE SHORT SCREEN TOWARD THE CONDENSER. THIS IS INCORRECT. THE EXPANSION TUBE SHOULD BE INSTALLED WITH THE SHORT SCREEN TOWARD THE EVAPORATOR.

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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.

COPYRIGHT 1994 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.