For 1990-2009 cars

# INSUFFICIENT COOLING FROM A/C SYS. (LEAK TEST SYSTEM)

#### SUBJECT: INSUFFICIENT COOLING FROM A/C SYSTEM (LEAK TEST SYSTEM, REPLACE LOWSIDE CHARGE PORT CAP AND VALVE)

#### MODELS: 1994 BUICK SKYLARK 1994 CHEVROLET BERETTA AND CORSICA 1994 OLDSMOBILE ACHIEVA 1994 PONTIAC GRAND AM

#### VIN BREAKPOINTS:

LANSING (NORTH) OLDSMOBILE: S.O.P. - RM045652 PONTIAC: S.O.P. - RM590433

LANSING (SOUTH) BUICK: S.O.P. - RC292695 PONTIAC: S.O.P. - RC794769

WILMINGTON CHEVROLET: S.O.P. - RY255784

#### CONDITION:

SOME OWNERS MAY COMMENT ON INSUFFICIENT COOLING OF THE A/C SYSTEM.

#### CAUSE:

SOME VEHICLES MAY LOSE THE A/C REFRIGERANT CHARGE DUE TO THE LOWSIDE CAP (PRIMARY SYSTEM SEAL) NOT BEING PROPERLY SEATED.

#### CORRECTION:

LEAK CHECK SYSTEM WITH CHARGE FITTING CAPS (PRIMARY SEALS) PROPERLY INSTALLED.

NO LEAK DETECTED:

- RECOVER, EVACUATE, AND RECHARGE REFRIGERANT SYSTEM AND PROPERLY INSTALL CAPS.

- PERFORM FINAL LEAK CHECK.

LEAK DETECTED AT LOW CHARGE PORT PRIMARY SEAL:

- REPLACE LOWSIDE VALVE STEM, P/N 03041827, AND CHARGE VALVE PRIMARY SEAL CAP, P/N 22638852.

- PERFORM FINAL LEAK CHECK.

FOLLOW PROCEDURES OUTLINED IN SECTION 1B OF THE APPROPRIATE SERVICE MANUAL.

PARTS ARE EXPECTED TO BE AVAILABLE ON SEPTEMBER 19, 1994.

#### WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OPERATION NUMBER: D3020 USE PUBLISHED LABOR OPERATION TIME.

FIGURES: 0

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.