SMU - SECTION 8A-63 HEATER AND A/C CONTROLS

SUBJECT: SERVICE MANUAL UPDATE - SECTION 8A-63 - HEATER AND A/C CONTROLS

MODELS: 1994 CHEVROLET AND GMC C/K TRUCKS 1993 CHEVROLET AND GMC C/K TRUCKS WITHIN THE FOLLOWING VIN BREAKPOINTS

VIN BREAKPOINTS: PONTIAC EAST ASSEMBLY PLANT: CHEV - AFTER VIN PE206748 GMC - AFTER VIN PE547391

OSHAWA ASSEMBLY PLANT: CHEV - AFTER VIN P1229826 GMC - AFTER VIN P1548810

FORT WAYNE ASSEMBLY PLANT: CHEV - AFTER VIN PZ214095 GMC - AFTER VIN PZ537314

JANESVILLE:

CHEV - AFTER VIN PJ385524 GMC - AFTER VIN PJ741347

THE FOLLOWING PAGES SUPPLEMENT SECTION 8A-63 OF THE 1993 C/K SERVICE MANUAL AND REPLACE PAGES FOUND IN SECTION 8A-63 OF THE 1994 C/K SERVICE MANUAL.

PAGE 8A-63-1 PAGE 8A-63-2 PAGE 8A-63-3 PAGE 8A-63-11 PAGE 8A-63-12

FIGURES: 0 ATTACHMENTS: 5

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.