POOR AM RADIO RECEPTION OR STATIC. GMC Truck GMC K Pickup

SUBJECT: POOR AM RADIO RECEPTION OR STATIC (REPLACE ANTENNA AND EXTENSION CABLE)

MODELS: 1995 CHEVROLET AND GMC TRUCK C/K MODELS RADIO EQUIPPED (RPOS UM6, UM7, ULO, UNO, UPO) BUILT PRIOR TO THE FOLLOWING VIN BREAKPOINTS:

PLANT DIVISION VIN FORT WAYNE CHEVROLET SZ167905 GMC TRUCK SZ524852 JANESVILLE ALL EXCEPT 3500 HD CHEVROLET SJ524852 GMC TRUCK SJ724425 3500 HD CHEVROLET SJ108791 GMC TRUCK SJ514262 OSHAWA CHEVROLET S1174100 GMC TRUCK S1531905 PONTIAC CHEVROLET SE162988 GMC TRUCK SE516311

CONDITION:

POOR RADIO RECEPTION OR STATIC, ESPECIALLY ON THE AM BAND.

CAUSE:

A CHEMICAL RESIDUE LEFT ON THE ANTENNA COAXIAL CABLE CONNECTOR DURING THE MANUFACTURING PROCESS OF THE ANTENNA. THE RESIDUE CAUSES A CHEMICAL REACTION THAT, OVER TIME, INTERFERES WITH THE ELECTRICAL CONNECTION BETWEEN THE ANTENNA CABLE AND THE ANTENNA EXTENSION CABLE.

THE CONDITION MAY BE PRESENT ONLY ON THE VEHICLES IDENTIFIED ABOVE (SILAO AND FLINT BUILT TRUCKS WERE NOT INVOLVED).

CORRECTION:

REPLACE THE ANTENNA AND EXTENSION CABLE WITH NEW PART NUMBERS LISTED BELOW.

SERVICE PROCEDURE:

FOLLOW SERVICE PROCEDURE IN 1995 C/K SERVICE MANUAL GMT/95-CK-1, SECTION 9A-33/34.

SERVICE PARTS INFORMATION:

P/N DESCRIPTION QTY 15712822 ANTENNA ASSEMBLY 1 15712823 ANTENNA EXTENSION CABLE 1

WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OP DESCRIPTION LABOR TIME R0240 ANTENNA BASE, REPLACE USE PUBLISHED R0260 ANTENNA LEAD IN, REPLACE LABOR OPERATION TIME

FIGURES: 0

CAPTIONS:

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.